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N'i  ͭЅ?0ȱ Ѕ?iȱi lԠԠ͠ԠϠŠͮŠ SYSTEM.APPLE   L$J~!1B =(I"UV  a4':ym3@ yL?R")K<dWjC4dc|oTh{(f-Ͱ 3&e#58ƫ>j:57LP!V7 QhGhDیn!/`a- /)9 #E =NQC{$*]]#A;iys3~$űq;!Ī݃0l6*׼t,«H/ N_Vԛ\D `f\T%x INTROSGNUMCTRLUIPLOTIGRAFSIMPMIDENTIFORMFAINTFTTRMISOLVSOLVEFRINTTESTPROG ó}EИ :+Q$d* ]"z#>i6mKIvcl|oQ{Pl" 8q&ٰg>^X$Pe #=aIިlͮ$a'.:3AL?FR#&3dW&j5)|no΂?լͱ &vo8'> PáVX ܺ- hMn!A΀J &# oQ$G*M]ihxĘ? 5V5 Wϻ h!mK_9 .E(`ႴLFUh̫I^שYp9)!I@  MՠeUz2+qJ}qCekd\n[.gRs^ D*Aѧۗʪ 6p]:Ha"ڊ `PZ%0x~g ="I"UGIa4m^}3Ffy L? *KBK8dWjc.on6MN&HN' C`"fx~D1 I "cU&aaG'p:myLzo R K?dQjGcoK{{(s &/8>}}h'PVZ <π ۏn!r-̠9 hEVQ$**O]@-$< /qBuȃ;G!ZS搙rNak +$dU; USTRT.CODEdSYSTEM.LIBRARY/rQSYSTEM.STARTUPt SYSTEM.APPLEd9X=^&pV)J5MA?$9 vY,U2 +q\D7wE }H\ Ob赡Ptgz3j!s!ttT>G}F$A10153T DUS.DATArd NES.DATAfd PRO.DATAfd)MSG.DATAfd)6 FTTRM.CODEd6] SIMPM.CODEd]^SYSTEM.MISCINFO®^z SYSTEM.PASCALd9SYSTEM.CHARSET nycncyny30E0T1gCoie,l5eo 9heuts 5 4n,ro3Prog b.kA5B nob/r &꽌ɪɖ'*&%&,E'зЮ꽌ɪФ`+*xH&x'8*7Ixix&&  ') + &п x) ++`FG8`0($ p,&"UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU) (jJJ>L+ "?I>  N `  ` x V Nx .x- z `V0^*^*>` aI꽌ɪVɭ&Y&&Y& 꽌ɪ\8`&r~k˄wV!!^7(} .?.J9@F2%HKParty Animaltf AcadeG;X}ot%!=UY-ib rqb AϹuuAy 0q di!CeExecute**vvʡ A1015 MasterR(TREES)mic AffairsUS7P.SSM:KrKSVA,ASSSchP*S>USO/ S N&S>*UFc0WwB;WdCdC)l}ԱڟddααEı.CODE1α.TEXTGԱ[ڱ:mg'Help requested. Please press [RETURN].αEı.CODE1α.TEXTGԱ[ڱ:mg+This expression is too long or complicated.ı.CODE1α.TEXTGԱ[ڱ:mg)A number we have been using. de. F000001533500s we have been using. de. 153350\ab\xy+\ac\y+\bd\x+\cdusing. de. 153350\ab\xi+\ac\x[2]+\bd\x+\cdng. de. %F000002522500\ace\xi+\ad+(bc)e\x+\bde. #F000002525500ax\2i\+\a+b\xiyj+by\2jde. F000002522500axi+\ac+b\xy+\bc\yi\2jde. $43 2 234561:71i+\ac+b\xy+\bc\yi\2jde. Expressions with four terms c\yi\2jde. can sometimes be factored s c\yi\2jde. #by the methods \ababactorable. F000001422500cxi+\a+b+7c\x+\abcorable. $44 2 23456 :71i+\a+b+7c\x+\abcorable. More complicated expressions bcorable. can also be factored essions bcorable. "by the method we have been using. ble. F000002522500\ab\xi+\ac+b\x+cing. ble. same as the product t expanded of the first and last terms, expanded !and there are no common factors, nded 'then the expression is not factorable. F000001422500xi+\a+b-7\x+\abactorable. F000001722000xi+\a+b-3\x+\abactorable. F000003922500xi+\a+b\x+m. , n F000002622500cxi+\a+1c\x+\acterm. , n #F000001624500x[2]yi+\a+b\xyi+\ab\yi n !F000002422500cxyi+\a+bc\xy+\abc\xyi n $74 2 23456 :71yi+\a+bc\xy+\abc\xyi n &If the middle term cannot be expanded into two terms whose product expanded is the -\a+1\x+aactor. obtain F000006922500xi+\a+b\x+\abtor. obtain F000001924500x\2i\+\a+b\xi+\ab obtain F000002922501xi+\a+b\xy+\ab\yi obtain $33 2 23456 :71+\a+b\xy+\ab\yi obtain $Always remove common factors first, n "before expanding the middle ter$42 2 23456 :71+bxy-\a+ba\yi signs. , &We must sometimes factor a minus sign &as a common factor in order to obtain a parenthesized common factor. obtain F000003922000xi+\a-1\x-aactor. obtain F000001922000xi-\a+1\x+aactor. obtain $13 2 23456 :71+\ab\yi using , %If the last coefficient is negative, , we must expand the middle term tive, , $into two terms with opposite signs. , F000001422050xi+bx-\a+basite signs. , F000003822050xi+bx-\a+basite signs. , F000002622050xi+bxy-\a+ba\yi signs. , 3456 :71+\a+b\xy+\ab\yiactors. 'If the middle coefficient is negative, %we must expand the middle term using , negative coefficients. le term using , F000001722:00xi+\a+b\x+\abterm using , F000001822:00xi+\a+b\xy+\ab\yi using , $43 2 23456 :71+\a+b\xy)r. 'F000002923500(ax+b)c-(ax+b)dycz)r. '$32 2 23456 :71x+b)c-(ax+b)dycz)r. '!Remember to check your factoring . '&by multiplying the resulting factors. F000001622000xi+\a+b\x+\abng factors. F000002822000xi+\a+b\xy+\ab\yiactors. $42 2 2a\xi-\bb(a-b)(a+b). 0'F000002913001\aa\x\2i\-\bb\y\2jb). 0'$33 2 23456 :70a\x\2i\-\bb\y\2jb). 0'$Any expression common to every term '#may be removed as a common factor. 'F000002923500ax(x+b)+c(x+b)factor. ' F000002923500ax(by+cz)+dy(by+cz$35 2 23456 :71LL,Divide fractions by inverting the denominator and multiplying.ancellation.ion.gEDivide both sides by the multiplier of @ to prepare for cancellation.tion.ion.gKDivide both sides by the multiplier of @, and cancel to obtain @ by itself.on.gETmultiplication.g)Rearrange terms to prepare for factoring.r parentheses to show multiplication.gJFactor and simplify numerator and denominator to prepare for cancellation.ion.g>Multiply fractions by multiplying numerators and denominators.ancellationor and denominator.tor...gPerform the division.tor by changing signs of numerator and denominator.tor...gReplace variables by numbers.hanging signs of numerator and denominator.tor...gNReplace variables by numbers, with dots or parentheses to show h the terms of another polynomial..gICancel monomial factors common to both the numerator and the denominator.ial..gLCancel a polynomial factor common to both the numerator and the denominator...gHSimplify the denominator by changing signs of numerataising each factor to that power.).st terms..g8Compute a power of a power by multiplying the exponents.hat power.).st terms..gMRewrite a polynomial so that its terms match the terms of another polynomial..g#Remove parenthesized common factor.rms matces be factored in the form (a+b)(c+d). and last terms..g/Remove common factors from two terms at a time.rm (a+b)(c+d). and last terms..gDFour terms can sometimes be factored using ac+bc+ad+bd = (a+b)(c+d).st terms..gBCompute a power of a product by rtors so that monomials precede polynomials.her parentheses..r.es.gCThe difference of the squares of a and b is factored as (a-b)(a+b).eses..r.es.gMRewrite the middle term by factoring the product of the first and last terms..g=Three terms can sometimtiply monomials by multiplying coefficients and combining variables.2.r.es.g:Multiply each term in the parentheses by the term outside.ng variables.2.r.es.gHMultiply each term in parentheses by each term in the other parentheses..r.es.g8Rearrange faces.gSubtract by changing signs.n by removing parentheses.on factor. first. 2.r.es.g&Add a negative quantity by subracting.ng parentheses.on factor. first. 2.r.es.gRemove unneeded parentheses.ubracting.ng parentheses.on factor. first. 2.r.es.gGMulirst. 2.r.es.g?Make the first term positive by removing -1 as a common factor. first. 2.r.es.g(Rewrite the power as a repeated product. -1 as a common factor. first. 2.r.es.g5Add parenthesized expression by removing parentheses.on factor. first. 2.r.ponents.xponent 2.r.es.g@Combine similar terms (terms having exactly the same variables).ponent 2.r.es.gFRearrange terms so that those with the higher powers of ^ occur first. 2.r.es.gRemove common factors.t those with the higher powers of ^ occur fstandard position.tical order.es.gIAn expression times itself is written as a "square" using the exponent 2.r.es.g?Powers of the same base are multiplied by adding the exponents.xponent 2.r.es.gAdd or subtract.me base are multiplied by adding the exes the negative of the expression.ariables.gKWrite each term with coefficient first and variables in alphabetical order.es.g?Combine signs if possible, and move signs to standard position.tical order.es.g Multiply.igns if possible, and move signs to by 1 gives the original expression.of the variables.gEMultiplying an expression by -1 gives the negative of the expression.ariables.gOmit zero term(s).ression by -1 gives the negative of the expression.ariables.gCompute power(s)..ression by -1 givranspose a term to separate terms containing @ from terms without @.tself.on.gKSubtract a term on each side to separate terms with @ from terms without @.on.gFAdd a term on each side to separate terms with @ from terms without @.ut @.on.gIChange the sign of each side of the equation (multiply both sides by -1).@.on.g5Multiply both sides by the denominator(s) and cancel.y both sides by -1).@.on.gDThis equation is not true, so the original equation has no solution. -1).@.on.g5This equation is alwanumbers..g*so the answer is 0, and no sign is needed. longer" number.hs" of the numbers..gFWe can subtract by changing the sign of each number being subtracted, umbers..g and then adding the new numbers.sign of each number being subtracted, umbers..s" of the numbers..g:The sign of the answer is the sign of the "longer" number.hs" of the numbers..g&In this problem, the longer number is the "longer" number.hs" of the numbers..g+In this problem, both are the same length, longer" number.hs" of the n expression is undefined.)n.g:Adding or subtracting 0 leaves the other number unchanged.ion is undefined.)n.gHTo add numbers with the same signs, we add the "lengths" of the numbers.ed.)n.gMTo add numbers with opposite signs, we subtract the "length signs are elect one correct answer.on.g+(0 divided by any number except 0 gives 0.)ns are elect one correct answer.on.gL(Remember to hold down [CTRL] and type "U" when an expression is undefined.)n.g)We add zero by moving a distance of zero." when always 0.tion.is 1.d.)ength zero.ult is zero.@.on.gKSince 0 times any number is 0, we have no way to select one correct answer.on.g$(Division by 0 is always undefined.)ve no way to select one correct answer.on.g2(In general, dividing two numbers whoseis 1, only 1 factor is needed.)ength zero.ult is zero.@.on.g/Any non-zero number raised to the 0 power is 1.d.)ength zero.ult is zero.@.on.g*Division is the reverse of multiplication.is 1.d.)ength zero.ult is zero.@.on.g%since 0 times any number is a for the number zero.o draw an arrow of length zero.ult is zero.@.on.gTherefore, its length is about draw an arrow of length zero.ult is zero.@.on.g*An exponent means repeated multiplication.row of length zero.ult is zero.@.on.g2(When the exponent &have no operation symbol between them. (*).cause the two numbers .). -1).@.on.gIHowever, this addition is repeated zero times, and so the result is zero.@.on.g=A dot or a small "x" is used to draw an arrow of length zero.ult is zero.@.on.gIt stands).@.on.gC(In general, any multiplication using 0 always gives the answer 0.). -1).@.on.gAThis expression requires multiplication, because the two numbers .). -1).@.on.g+are separated by a multiplication sign (*).cause the two numbers .). -1).@.on.gation.. -1).@.on.g3Replace @ by the numerical solution obtained above.ns.oss.equation.. -1).@.on.g)These equations have different solutions.ned above.ns.oss.equation.. -1).@.on.g%Sorry, not enough room on the screen.ons.ned above.ns.oss.equation.. -1ns.oss.equation.. -1).@.on.g3 to have the same solution as the earlier equation.ns.oss.equation.. -1).@.on.g&Now let's resume solving our equation.ier equation.ns.oss.equation.. -1).@.on.g/ The solution checks in the original equation.ion.ns.oss.equsolutions.ns.oss.equation.. -1).@.on.g%So the solution is approximately @ = no solutions.ns.oss.equation.. -1).@.on.g'These lines meet somewhere off screen, o solutions.ns.oss.equation.. -1).@.on.g3so the solution of this equation is off the screen.or @:for @ in the original equation.. -1).@.on.g:Here is the approximate value of @ where the graphs cross.equation.. -1).@.on.g6The graphs are identical, so there are many solutions.oss.equation.. -1).@.on.g3The graphs are parallel, so there are no ys true, so @ can be any number.as no solution. -1).@.on.gC check by substituting the solution for @ in the original equation.. -1).@.on.g$ solve the following equation for @:for @ in the original equation.. -1).@.on.gWe graph each side of quation fgIn this problem, we change bers.sign of each number being subtracted, umbers..gLet's start from 0. change bers.sign of each number being subtracted, umbers..gSince we started at 0, nge bers.sign of each number being subtracted, umbers..g'the overall result is that we moved by each number being subtracted, umbers..g8(However, you may see a shorter way to do this problem.)g subtracted, umbers..g8, which is written above and to the right of the "base" g subtracted, umbers..g#, means repeated  צ7We get line 2 from line 1 by rewriting the middle term   as a sum of two terms.   These two terms are obtained  5by factoring the product of the first and last terms.    צas the other two terms.   dצ(The middle terms in line 2 are obtained צ5by factoring the product of the first and last terms.i t ",2p٢٢צfirst and last٢second and thirdL١  צTo go from line 3 to line 2 צwe rewrite the middle term   as a sum of two terms.   'These terms must have the same product orrect.-צHere is one answer:/ .l تP.%If we multiply the terms in line 2, תP.Pצ ter..  .we getתP١also .P.   ٢צ@**-***-*-****-**+****-**-*******-*******+++,*,**----------*****-Qj -4-404š>5צ" is not used in this expression.P5454á-,, 0+,,* __ CQ/آآ#/آآ#.آ.آvتP^_^_ȡ0^```^^^40~=  /.Q/./ צWe want to factor line 3, צand finish with line 1.צ#However, the second term in line 3   "is the sum of two terms in line 2.  צ-We must see how to get from line 3 to line 2.   0٣Cɡ2/.٢ /.d)٣Cɡ צ= šظ٢# ٢? jخצline P0٣Cؕ //٢?št~١6צ,Remember how we multiply expressions such asצHere is how we factor:00C11ġ0)"^  ߢ?ࢀ 0٣Cɡ2/.٢ /.d)٣Cɡ צ= šظ٢# ٢? jخצline P0٣Cؕ //٢Q ߢ#ߢ#j۾( ȡޓ9j۾(á)áj ލߢ#ݤߢ#ࢀޡߢ#ݤߢ#ݤߢ;ߢ?ࢀ ;  FTTRM POLYSHOWENDMULTRFACTORDEEASYPOLYHARDPOLY multiplication by right of the "base" g subtracted, umbers..g&However, it does not mean the same as ght of the "base" g subtracted, umbers..g צ*We get line 3 by removing common factors, צ from just two terms at a time. 3We remove common factors from the first two terms,     and from the last two terms.           צIn line 31(, we treat the parenthesized expression as a common factor.  צ+We remove the parenthesized common factor,     &and parenthesize the ۍ ڟˡڨٚ,ō zݤaڤaܤaۤaߓaɍ? Jߢ ڂ ۂ ܂ ݡڂۂ܂ݡߝ $ 6n "SIMPMAINTHELP TINPS TOUPS TSIMP INITPROBENDSIMP SEGPROC   lIv|68|h (#٤F      ٕٕ  "٫gثh 0:)gh:%D         6 IJ XQۢۢ#ۢۢ#٤L Qۢۢ#٤ۢۢ#٤F      ٕٕ  " ;@**-*-***-****-+*+****-**-*******-*******+++,*,-*----------**+++-Rrz     0ȡC,ܤڂ,ۤقDD .- ٥Ma^ Shall I explain that again @؏  &Q ڢڢ#ؤڢڢ#ؤ FتPQ}))P))P))P) x(x+a)+b(x+a)תP)٢٢!٢&٢C00ġپڝnxɡ]MaɄ////Ma(x+a)P-)צ bx[2]+ex-cx-dP-) bx[2]+fx-dתP,.,.ȡ-,),,f 0\VZ x ZZ T^ $      Mxatz a+a-+-ȡM+a ++MdaMaaMcaMeaMaaMbaMfaMeaMcaMba˥MfańMdaMbaťMfaMbaō--) (x+a)(bx-c)תP-)צbx(x+a)-cצ (x[2])(+c)P--צ (+ax)(+bx)P--צcx[2]P----Cz ZZ T^ $      hūMxatz Maa Mba MaaMbaˡMcaMbaMaaMdaMaaMba--) (x+a)(x+b)תP-) x[2]+ax+bx+cתP-) x[2]+dx+cתP,.,.ȡ-,),,-remaining terms.            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P8+*צThis problem is not finished.+*+*+*V [é"Ä**é"Ý  X^^`: plify factor ˡ:  Here is how we צ Please " Here is the solution.תP"é" R "   eiw& ũ"  n ȡ5ؚ$% aam  nɫ ٩n   nn 2 ,2:when ɡצsimplify factor ˡ:  Here is how we צ Please " Here is the solution.תP"é" R "   eiw& pũ*f azȡ]ašHצ ~=~Pؿš צ, P ɡ: تPPR צ the following expressionPɡ"evaluate á Q O9@**-*-*-*-****-+*+****-**-*******-*******+++,*,**----------*****-Q́ ʁʁ# @"9Pz9    pĩȡ9 ́ʁ́ʁ ʁ(ƀݪ'!"ZPaźʁȡašvŹʁȡEƀš(1ƀP1Z1Pƀ1'"ƀū"ū!v ū ūë# wi v˩!"t & &ȡǖ"+ :w ́ʁqrut٫vثw", ܢܢ (ڪ'!.ڶġ ڶ0&dȡ؂š dؗd p*Du qvw Df!ݢjݢjܣ)Äܢ)V8  j㾝  jōÄjP*)+ލ&  )á  i zۨ & H*\. 8ھ{Â}Õá!, ġAؾ{á1-á )( Pe^ pE@9999999999999909090999099999999999999999995393629999999999991119ר @צ Df!ݢjݢjܣ)Äܢ)V8  j㾝  jōÄjP*)+ލ& )á  i zۨ & H*\ˡd ǿ4Type a step.Finished problem.Get a hint.Help needed.צצáiiéb˄iiTũ. ɡ Q$QQ$áii r 5á35Ed=  ȡz, vwqruts&0vwڢá   ie ڢÍ i& ܟˡ,  צSYSTEM FAILURE NUMBER  צ. PLEASE REFER "TO PRODUCT MANUAL FOR EXPLANATION.  DFCOPYRIGHT 1979,1980,1983-1985 APPLE COMPUTER, INC. ALL RIGHTS RESERVED    DPASCALSYUSERPROGFIOPRIMSPRINTERRINITIALIGETCMD SYSIO d, stored in a retrieval"system except as an essential step'in its execution, or transcribed in anyBrooks/Cole Publishing Co. 555 AbregoMonterey, CA, 93940, Student diskLicensed for use only at%Please respect the license agreement. Published by BrnP6 V >DPژZ   O ?"¨n6 r P  ^  All rights reserved.No part of this program may be!reproduceQۢj*á  9 ګr| Qj   á $á @dĄ  QjQj%ũ  s      ,06 ^      Hr&F,xr š=  9$Qۢj*á  9 ګr| Qj   á $á @dĄ  QjQj%ũ  s   =áצ=  Já?Finished  $Qjצ^6P$Qj =Í  k$ō"áš=  9$$Q/ O@**-*-*-*-****-+*+****-**-*******-*******+++,*,**----------*****-.$Q  $Q0 00#-m-ɡ-mmšm\ 2š_  á ǿ5%$$%Z$Q9z    *áb٪P..%,,,,..,Í./ˡ/ equal sign (or [CTRL] F if finished).?"Sorry, not enough space on screen. ywqwq=V ń#tétڢåie ڢ Ȅ"$Q/ɄˍBk 5$áOáFá35$5Õ١r|$Qj?Íá6عq}yu-Type aneťieōá&&& ɥ&ˍie ڢč iiڢةĄڢń#tétڢåie ڢ Ȅ"$Q/ šš që  N "ˡ )á á áaˡ á Nšá áÄ  0& "ˡ  J   00áQP 0á0 é000+-Í-   ġނš  šš!۞ۂۂەߓS  ! "ˡ.! "ˡ ߡ  šۢ ::87CONSOLE1:7SYSTERM2:7GRAPHIC3:7PR P:NEWC/C.CODE:6REMOUT8PSb.:=b4/#b:a@:%aF:`L!I`R[/`X)`2 4j P:NEWC/C.CODEDEDEKYKK.2 4k/P/NEWC/C.CODE.CODE  /IF/E .gEH87CONSOLE1:7SYSTERM2:7GRAPHIC3:7PRINTER6:5REMIN7:6REMOUT8E/KY Kh Pt.PE87CONSOLE187CONSOLE1:7SYSTERM2:7GRAPHIC3:7PRINTER6:5REMIN7:6REMOUT8P IYIL: P/.P> Dⓡ4"צˡ䓡 &ˡ& öÍ##&á &'"&㓶℡'á.0:'#.+á$š ġ  ^ $?š?ˡ?ء "ˡ%ߕނ߂ɡ F b%ARAn@vvXX < ~LJ> P b p 2 F 'ˡ   d쓡  !!  # 0"ˡ4$ š F#,á1š ġ  # #6"'á *   šˡ 퓄 Ä퓡x š   ɍM   "ˡ. š K%"á61 ɚ V %ɡšɡš  V#&ˡ @šQȡ2 š:X f Ą ɡ 낫š ꓡ!š땫Ě@%"á1ꓡ삫Ú ȡ*ńȄ4šáRתPńȄ ,ń.áš蕿   Q lȡPš蕫š 쾿  /P ná " * 0ˡ ɡa áá0š  %4á1á$009ȄX 000á'$á 009Ȅ00 qS\  ɡ'áצ-32768 ^ 逫-ġ>00ń2ب"́$ʁ$ ʁ$ ʁ$ ʁ$ʁ$!"ʁ$ʁ$ʁ$ʁ$FZ   ނ ń! áނ š   šš$ !۞ۂۂەߓh  ! "ˡ ɡ!  ! "ˡ ߡ š  ńá4 á,á" r آڤ áCá>آآ*Ík vޢ ȡUڤ ˡBȄ-ܢ0ۤ ݢ`ڤá \zڨ !!P!x!P &(.Bۢڤ ɡš2ȡۤˡ áڢڢˍ? Pˡצ š š۾.ˡצ([šܕ!!(š۾:ˡ١.TEXTת .CODEת!!ȡ)ܾaܾzȄ ܾaAܾ ɡ?š!!Ȅ11צ(The 64K version of SYSTEM.PASCAL cannot צ)run with the 128K version of SYSTEM.APPLE d<,Dh YSTERM:  ø !צ  תצP@22ˡ'Version 1.3 of SYSTEM.PASCAL cannot runצ&with a non-1.3 version of SYSTEM.APPLE@22 `    p  CONSOLE:ת צSYSTERM: ۶ ضá}۪*SYSTEM.STARTUPתٟá'      צCONSOLESYSTERMצGRAPHICPRINTERצREMINREMOUT[Bfhjl ʀ  ʀ ̀ƀ ƀ ƀ   ʀˡ L تٞ&"á ٤ ȡؤצۢÍ ȄۢÍ؞&"á  ʀʀ ʀ ʀ ʀ  ʀʀ̀ʀʀʀʀʀʀʀʀʀ̀̀ʀʀȡʀʀ̀   תʀ'*SYSTEM.MISCINFOת; ̀ʀ*ʀ+ʀ,ʀ%2 &̀ʀʀʀʀ%̀̀̀ʀʀȡʀʀ̀ʀʀʀʀʀƁ/@š4SYSTEM.CHARSET+ \٢ š٢ ٢٢ 4$  /   d::87CONSOLE1:7SYSTERM2:7GRAPHIC3:7PR P:NEWC/C.CODE:6REMOUT8PSb.:=b4/#b:a@:%aF:`L!I`R[/`X)`2 4j P:NEWC/C.CODEDEDEKYKK.2 4k/P/NEWC/C.CODE.CODE  /IF/E .gEH87CONSOLE1:7SYSTERM2:7GRAPHIC3:7PRINTER6:5REMIN7:6REMOUT8E/KY Kh Pt.PE87CONSOLE187CONSOLE1:7SYSTERM2:7GRAPHIC3:7PRINTER6:5REMIN7:6REMOUT8P IYIL: P/.P> 8 ́$ʁ$ ʁ$ ʁ$ ʁ$ʁ$!"ʁ$ʁ$ʁ$ʁ$FZ   ނ ń! áނ š   šš$ !۞ ȡ0ޤˡ ߢ`ޤ7 VڪƁ Ɓ "áP̂/ʁ ʁ"ˡ3Ƃ. Ƃ.Ƃ. Ƃ. Ɓ Ɓ X  ߪPƁ]Ɓ4 PƁ4ƁaƁeƁmƁn ́oƁaʁo ת "ˡ ܡ́tˡ2"ˡڡsƀ ˡfSYSTEM.COMPILER RFORTRAN: 4  is not version 1.3ړ22 Ɓp Ɓp! á ݤݚ ˄ܟń ١á  ޤ uš  gá Ä+ޤ  ɡáޤ á ġMáš6 ܂ۻݪ d (   š Í ÄU ǐɄ:ń  šá٢.ٕ۶š ڸ۸۶ š۸ ڸ:   ȡQ  ȡ   ȡ? ȡ  ġ ۢ؂Xڢڢڢڣ ڣ ١ڢ ڣ ڣ١ ڢڣڣ ڣ áڣڣġ ڢڣڣ hڢ ڢ١ڢ!ڣڣ ڢ!ڣڣ ڢÄڣ &ڢ ڣ ڢ! ڢ!ڣڣ ڢڢ ڣڢÄڢ ߢ  d˯7 H  ۣȡڤ  ۣ צۣۢ0H ܣġ ۤ ٤ ڨ ܢܣ*@ۢۢۢۢٚÍۢáۢɡ ۟ۢ`ݤW ˡ!  ,ߓ$ ޓ "ߓۄ,ݤ ߓÍߡ2ݤ š˄ڶ a3 d ޓ(ݤ ߢܯ"á  ܡ:" áܡ ܓת$ ڟšx#ńF 09Ȅ ᾂ0 ߓńȄޓޓ!ܲݤߓÍߡFۤ ōɍ ō ȍ  dč ܓܡߢ ܓߦתߢޢ!ޢ!9 L ٤ Íܡ~  , Ąܓ7צ.INFO$.GRAFׯצ.FOTO /T ڤáޢܡ ޢޢޢÍÄޢÄȄĄMȄt߷iȹ22ȡ2š5252á4w4]11á4\1šV42233039Ȅ 3042221421Ä2*á444ń55P.TEXTׯ]צ.CODEJ.BACKׯުPצצ22ȡ5233 ȡ 23a3zȄ 23aA22š*áݲ%áݲצ:22ȡáݲ 2á!2ȡ5252š[22š222Ɓ2Ɓṕsʁsȡ%Ɓ2ʁsƀʁsʁśsƁq ƀƁq O*SYSTEM.LIBRARY  ́sʁsȡ'ƀʁsʁsʁśs2 Ɓ](`   á/)צ*SYSTEM.ATTACH áá(*SYSTEM.STARTUP š pNBz version 1.3ړ22 Ɓp Ɓp2Ɓ2Ɓṕsʁsȡ%Ɓ2ʁsƀʁsʁśsƁq ƀƁq O*SYSTEM.LIBRARY  ́sʁsȡ'ƀʁsʁsʁśs2 Ɓ](`   lܟ˄ݤ צ   ١  n ١ á9 ٓ/! !!١ ˡ) ! 䚹 9U[2˄ޢߢšáޢ ޣ ߢ  dޣޢޣ ޣߢ  dÍÍޢˡ ݓۤ åo!X O:%%,}  t 쥁f!ڢ!ؓء &<  r %צ.......ۢINTROׯ0ܣáDisk is write-protected.צ System error.   k%3 9 h  0  &Mvȡ٩rؤ} pߢP ٩rvޣޣˍޣ2ޣˍߢeޣɍޣ!ޢ Äޢɷޢ÷s rš pצ  Cf ݢݢݣ!ń '_|f <>'á'_ K ^שr r rr  X  šړۓrؤrؤ؏؂rš-8 errXr,-.ݤݤݤáݤše g4[uld prophesy, but that the weary and cold hand of death lies on my tongue.@USYSTART                                         ۤ Äݓۤ  dÄÍߢ ˄ɡۤ  dáߢ  dá ߢ #ޣ˄ ߢ  ߢ ۤ ߢޣ ޣߢ ޣޢ ޢۤ ޢ áޢá צޢޢޢ/13:! $ ~\",䚹 9U[2˄ޢߢšáޢ ޣ ߢ  dޣޢޣ ޣߢ  dÍÍޢˡ ݓۤ ۤ Äݓۤ  dÄÍߢ ˄ɡۤ  dáߢ  dá ߢ #ޣ˄ ߢ  ߢ ۤ ߢޣ ޣߢ ޣޢ ޢۤ ޢ áޢá צޢޢޢd ۡo s  sp..//P0.#تPRETURN#+  T* &$ء צESC# á  "$Ï6 צ IMPORTANT REMINDERSצ When solving a problem, you may:6!1. type a question mark for help,6'2. press [ESC] for typing instructions,' and again to return to your problem. 6צ$For example, please p       8 @ ##F$ڨ&_$ $# 0"  ,٪PتP&,Press [] to continue.>%تPRETURN%+" T* /Pۡ k!!;תPZٹPlease Then  #צ!hold down the [CONTROL] or [CTRL]צ$key while you press the [RESET] key.ء لء  /ˡ!ؓء%8!n ` ۡk o  ol..//P0.%'&`'l_ 6yG ݣשnn Dnn$T: -š2%&p| 5n7\n:\)CF~nc;8[- a/Gno4XnX;nE,3E- t\ݰ}#bk4ݤ_ á&ݤ4_q˦aiGlXcuT4#uld prophesy, but that the weary and cold hand of death lies on my tongue.J4}USYSTART                                  &$ء צESC%"á  "&צVersiond.d  * تPR צ'צThis disk is assigned to  8צ#04:P 0 0&'تP Refer to the Algebra Mentor١Instructor Manual orצStudent Workbook for Rl(-٨تP.//P00ġ lesson/e0ڕ.ZD* #CONGRATULATIONS. You have completedall the lessons iצStart DENOMINATOR9צ[CTRL] BEnd denom. (go to BASELINE)׮9v; á Review Beginn ing lesson  .š TYPING REMINDERS[ESC] צSEE TYPING REMINDERS9? צ ASK FOR HELP9ǕɡCצ[o multiply)9[CTRL] FצFinished (no more steps)9 [up-arrow]תPb צ[CTRL] PPBegin Power (exponent)׮9צ [down-arrow]Pb [CTRL] BתPצEnd power (go to Baseline)9R:צ[CTRL] NStart NUMERATOR׮9[CTRL] D[ESC] for typing instructions,' and again to return to your problem. 7צ$For example, please press [ESC] now.& 6,٪PتP,צ . . . . . .U ,U:9צ[CTRL] XErase your answer׮9* צType a dot (t%You can skip many steps in the longer problems with a little practice.5,Ï7 צ IMPORTANT REMINDERSצ When solving a problem, you may:7!1. type a question mark for help,7'2. press !ʃ5ʃ52aƁ5a5" á,Ab j+2;ؕ !There are many correct ways to docomplicated problems.I'll accept any correct steps.צAlways look for shortcuts.!aƁ5a5adkl̃5ʃ5̃6ʃ6P̃7ʃ5bܓ ʃ6cš3ʃ6bʃ6bޡ1- ʃ7Ś4ʃ6eʃ7ʃ6dʃ6bX ʃ5!ɄY ʃ5ʃ5!ons.צYou will begin with lesson."During a lesson, when the flashingצ!cursor is visible, you can changeצ%to a different lesson by holding downצ%the [CTRL] key and typing "Z" and "/"צin rapid succession.$4쥁b ȄÍ P2lۢPȍFڣ2ˡ2ٚܢá%ܢܢ ܢܢܢ f1lȡ٢Uؤ٢U٣c٢c-B3ˡSצ'You are scheduled to skip some lessselect a different lesson.lesson titles.(צ For lesson, just press [RETURN].LESSON ( toצ) ? "  10ġɡ ݂0š  áښݓa fƁƁ"šʁʁōʁʁP܍ʁÍʁʁ ŴʁʁȄʁʁƁ!.ܓf - צYou'll now do lesson number,צ%unless you ous record of thisstudent (Y or N) ?"ڳ@@NnÍ- 0ۡ l/ܶ ލ0ݍݡ,ۡ lצX, ad kݓlcz..ĺʁṔ)adɩl"ák!* 2,lڢP ZY٢٢٢š٢ ٢Ŷō< v/lۢׯThis disk belonged toۢ'May I erase the previice problems on this material.ǰ b'SYSTEM.STARTUP.תPa'צPlease return your disksצto your instructor or tutor.  To run another program,insert the appropriate disk.pV Fn this portionof the course.áY&However, this demonstration version isצ'much shorter than the complete version.adYour next lesson will be*Then you'll return to*!˥bDinstruction and(#practRETURN]End your answer9[SHIFT] צType an upper symbol9 [left-arrow]צErase a character9,ġ [CTRL] UצType "Undefined"9;ġ:Ǖġ;&צOne moment, please. $|8š;SOLVEׯ;SIMPMׯ넡5ń68a ;'쥁b ;;;bتPRتPR צ .۪P٪P. ء&m K"form or b$PROCEDURE WSTRING(S: STRING); $PROCEDURE CHARTYPE(MODE: INTEGER); "IMPLEMENTATION X E )4#i JL` T$Q%P)Q I L`#JI`'  I` I0ݩ(0/,",i8i#Hiihifi`i,i,3iPII4ifH8H hIiH CREENBIT(X,Y: INTEGER): BOOLEAN; $PROCEDURE DRAWBLOCK(VAR SOURCE; ROWSIZE,XSKIP,YSKIP,WIDTH,HEIGHT, 8XSCREEN,YSCREEN,MODE: INTEGER); $PROCEDURE WCHAR(CH: CHAR); ` 8`*UH)JJh & & fDURE PENCOLOR(PENMODE: SCREENCOLOR); $PROCEDURE TEXTMODE; $PROCEDURE GRAFMODE; $PROCEDURE FILLSCREEN(FILLCOLOR: SCREENCOLOR); $PROCEDURE VIEWPORT(LEFT,RIGHT,BOTTOM,TOP: INTEGER); $FUNCTION TURTLEX: INTEGER; $FUNCTION TURTLEY: INTEGER; $FUNCTION S $TYPE $ SCREENCOLOR=(none,white,black,reverse,radar, 3black1,green,violet,white1,black2,orange,blue,white2); & &FONT=PACKED ARRAY[0..127,0..7] OF 0..255; & $VAR &FONTPTR:^FONT; $ $PROCEDURE INITTURTLE; $PROCEDURE MOVETO(X,Y: INTEGER); $PROCEتPDŽE  RDŽE ٪P E   (   >6Vz.@~CODE.CODEACKE.CODE1.TEXTG[:mƳgEʷ  تP,,PT  @ \ ܡ@ ܡڡ݂P تPǜE  RCL<<ʷZ\\ʷxR` [E :E BODY3 WRITELINUNITPARTCOMPOPTINUMSTRIN\\ER.CODE1\.TEXTGb[h:mng>ʷB `^ph.CODE.CODEACKE.CODE1.TEXTG[:mƳgEʷ "PROCEDURE SETCHAIN(TYTLE:STRING); "PROCEDURE SETCVAL(VAL:STRING); "PROCEDURE GETCVAL(VAR VAL:STRING); "PROCEDURE SWAPON; "PROCEDURE SWAPOFF; "PROCEDURE SWAPGPON;  IMPLEMENTATION E 2L 8<=>F?A:CGJJLʷ"L(E(c)1987 by John C. Miller; 1983,1985 by Apple Computer; 1979 by UCSD.D < #',1=R DJJN CHAINSTUSHORTGRASHORTGRAGRAFA GRAFA GRAFC CONIO SHOBL STRAP EXMAK ALGIO EVALU AXDRW LINXT TABGR  "%+0;CIMm!J,VfrpP z , n Z`$<F.&T,z$p6Xl0 X8v;adsworth, Inc.ת(צBelmont, California 94002.(צa division of Wadsworth, Inc.(%Pascal Runtime System (C) 1979, 1980,ת(צ%1983 and 1985 by Apple Computer, Inc.("Portions of this software (C) 1979ת(yצby University of California.(dTelephone: 4O8-373-O728ת(  ;+ b)y any means -- electronicת(6#mechanical, photocopying, recordingת(!צ!or otherwise -- without the prior( $written permission of the publisher,ת((C) 1986 by Wadsworth, Inc.ת(צBelmont, California 94002.(צa division of Wadsworth, Q%P)Q I L`#JI`'  I` I0ݩ(0/,",i8i#Hiihifi`i,i,3iPII4ifH8H hIiH ǯ?Ǭ?ǰ?Ǯ?ǩ? áǫ?Ǭ?0 ٢ؚ ڢؚڢٚ ۚܢښܢٚܢؚɡšܢɡܢǿšܢǿɡܢɡܢ  USES {$U A.LIB}SHORTGRA; CONST "XC=6;YC=10;YCHMAT=8;CHSPACE=2;YRV=184;YMAX=191;XMAX=279; "INFINITY=1E36;ASCMAX=127;BKMAX=15;PLACEMAX=79;LEVELMAX=8;ECON0=64;ECONMAX=95; "VARMAX=7;ALPHAMN=97;ALPHAMX=122;ROWMAX=24;STEPMAX=4;COLMAX=2; "CTRLB=2;CTRLD=4;FTURTLEY 8 SCREENBI5 X 0505Y DRAWBLOCT96l5  SOURCE 555 LROWSIZE 55XSKIP 555YSKIP 65QH?\H ` h  (j` , ~  ( FILLCOLOp:t1VIEWPORT4P4LEFT f4|4f4RIGHT 4|4BOTTOM 4TOP TURTLEX 4 *)fjfjfj+*fjfjfj8 8)eeL )` (J(F ((Lee L  )L6I1L6)QL6        zjZ )# " `' & 8 ! 0%ee8` !  e e8"#088$ % 0%ee8`$ %  e e8&'08e*e+) [B  ""##8&$iT8&UU ! U"# UT`+%$Y)!p JhhhhhhhhhhH8 )%HHH`5>hhh)hh h h h hhhhhhhhhhhhHH J "  ` ` `SN-(' . hhhhhhHH `  [HH8H8 hhhL.+ rhh heheheheHHLh< L)ˢ   â LE % %  )  `8`&e epɀj f f&e e pɀjff %) % )`% L=`0(%$ $ @' &    0&!"   #eNEDh0h1hhhhh.h/h,h-h*h+h(h)(ȱ(*ȱ*,ȱ,.ȱ. HH1H0H(ȹ(*ȹ*,ȹ,.ȹ.`   ""##  )`%)8`)     e e  `(J 8 e  ` Z Z< $ %$PQ $  ߩ $ Li`t^cY}z I L`#JI`'  I` I0ݩ(0/,",i8i#Hiihifi`i,i,3iPII4ifH8H hIiH h hL8Iif E J j 8TEM.CHARSETx @4` - G`` 8`*UH)JJh & & f)4#i JL` T$Q%P)QتP+,+,ȡ+ ++V 0  آآآǿآآǿآآ@ ǻٚ SYSTEM.CHARSETáSYSl    ڪP."ˡ[̄$ʄ$N.ʄ$M ń.ʄ$M  ʄ$̄$.ʄ$M .ʄ$M Y@'    4 INI=6;BEEP=7;BKSP=8;CRET=13;CTRLN=14;CTRLP=16;CTRLR=18; "UNDEF=21;LABS=22;RABS=23;CTRLX=24;LPAR=40;RPAR=41;ASTK=42;PLUS=43;MINUS=45; "DECPT=46;SLASH=47;ASC0=48;LTHAN=60;EQUAL=61;GTHAN=62;QMARK=63; "DRAW=10;ERASE=0;AXORS=6;LEAVE=12; "SHFSIZE=12;MAXTERM=33; "UNDEFST='Undef.';FINISHED='Finished';  TYPE "intPtr=^integer; "cvalBlks=RECORD -codBlk,qusBlk,msgBlk,proBlk,nesBlk,lesBlk,dusBlk,ustBlk:integer +END; "cvaldata=PACKED RECORD -dummyLength:integer; -curVol,tstVol,dusVol,startVol:0..15; -bit12, & ب     (ܪP/0/0ȡ Ǹؕ/ //*V H؏ ١ ڢ؏ڢٍDުP_MAX:INTEGER):INTEGER; PROCEDURE GETMSG(VAR ST:STRING;M:MSGTYPE;MSGNUM:BYTE); PROCEDURE INFRAME(LEFT,RIGHT,TOP,BOT:INTEGER); PROCEDURE OUTFRAME; PROCEDURE CLEAR(X,Y:INTEGER;L:BYTE); PROCEDURE BOTTOM(VAR X,Y:INTEGER;L:BYTE); PROCEDURE CLRBOT(L:BYTE); PROCEDURE MSGBOT(M:STRING;L:BYTE);  IMPLEMENTATION E DURE BAR(X0,Y0,X1,Y1:INTEGER;C:SCREENCOLOR);  PROCEDURE ADDCHAR(VAR S:STRING;A:BYTE); PROCEDURE GETSTR(VAR S:STRING;A:BYTE); PROCEDURE DISPLAY(A:BYTE;M:MODE;VAR X:INTEGER;Y:INTEGER); FUNCTION RAND(MIN,MAX:INTEGER):INTEGER; PROCEDURE GETMSG(VAR ST:STRING;M:MSGTYPE;MSGNUM:BYTE); PROCEDURE INFRAME(LEFT,RIGHT,TOP,BOT:INTEGER); PROCEDURE OUTFRAME; PROCEDURE CLEAR(X,Y:INTEGER;L:BYTE); PROCEDURE BOTTOM(VAR X,Y:INTEGER;L:BYTE); PROCEDURE CLRBOT(L:BYTE); PROCEDU-Y,CS:INTEGER;CLRKBD:BOOLEAN;M1,M2,MLAST:MODE); PROCEDURE BAR(X0,Y0,X1,Y1:INTEGER;C:SCREENCOLOR);  PROCEDURE ADDCHAR(VAR S:STRING;A:BYTE); PROCEDURE GETSTR(VAR S:STRING;A:BYTE); PROCEDURE DISPLAY(A:BYTE;M:MODE;VAR X:INTEGER;Y:INTEGER); FUNCTION RAND(MIN,valdata);  PROCEDURE PAUSE(CS:INTEGER); PROCEDURE WSTR(S:STRING;M:MODE;VAR XP,X:INTEGER;Y:INTEGER); PROCEDURE FLSHRD(ST:STRING;M1,M2:MODE;VAR XP,X:INTEGER;Y,CS:INTEGER); PROCEDURE GETCH(VAR CH:CHAR;ST:STRING;VAR CT,XP,X:INTEGER; "ZMAT:^ZARRAY; "TERMS:^TERMARRAY; "NVAR:VARPOS0; "SEED,XSCR,YSCR:INTEGER; "K128:BOOLEAN; "cvaldatPtr:^cvaldata; "SCP:^SCRNPAR; "FRAMES:^FRAMESET; "NUMV:NUMVAR; "FR:FRAME;  FUNCTION KEYPRESS:BOOLEAN;  PROCEDURE CLEARKBD;  PROCEDURE MSGINIT(cv:cPWRARRAY; $TCOEFF:REAL "END; "TERMNUM=0..MAXTERM; "TERMARRAY=ARRAY[TERMNUM] OF TERMRECORD; "SOURCE=(PROGINV,PROGVIS,USERVIS,DICTATE); "VETO=(NOVARS,NOOPS,NODEC,NONEG); "VETOSET=SET OF VETO;  VAR VARS,DIGITS:^ASCIISET; "LEV:LEVEL; "EXPL:^EXPLIST; $XB,YB,XBEG:ARRAY[DVCOL] OF INTEGER; $YBEG:INTEGER; $GRFR:FRAME; $AXASC,PXBL:PACKED ARRAY[1..2] OF BYTE; $BLX:ARRAY[1..2] OF REAL; "END; "MSGTYPE=(MSGDUM,ERR,TAB,SIMP,SOLV,MISC); "PWRARRAY=PACKED ARRAY[ALPHAVAR] OF BYTE; "TERMRECORD=RECORD $TPWR:ESET=ARRAY[LEVEL] OF FRAME; "VARPOS=1..VARMAX; "VARPOS0=0..VARMAX; "ZROW=ARRAY[VARPOS] OF REAL; "ROW=0..ROWMAX; "ZARRAY=ARRAY[ROW] OF ZROW; "ALPHAVAR=ALPHAMN..ALPHAMX; "NUMVAR=PACKED ARRAY[ALPHAVAR] OF VARPOS0; "DVCOL=1..COLMAX; "SCRNPAR=RECORD OF PLACE; $BNM,BA:PACKED ARRAY[BLOC] OF BLOC; $BK:PACKED ARRAY[PLACE] OF BLOC; $RBLOCK:BLOC; $RPLACE:PLACE; $BTOT:INTEGER "END; "STEP=1..STEPMAX; "EXPLIST=ARRAY[STEP] OF EXPR; "FRAME=PACKED ARRAY[1..2,0..2] OF INTEGER; "LEVEL=0..LEVELMAX; "FRAMY[ECONPLACE] OF REAL; "EVALUATOR=RECORD $EOPS:STRING; $ECONPTR:ECONPLACE; $ECON:ECONARRAY "END; "EXPR=PACKED RECORD $EV:EVALUATOR; $EXPRST:STRING; $XMP:ARRAY[PLACE] OF INTEGER; $YMP:PACKED ARRAY[0..3,BLOC] OF INTEGER; $BB:PACKED ARRAY[BLOC,0..1].false:(cvalstr:string); .true :(cvaldat:cvaldata) ,END; "SHFARRAY=ARRAY[0..SHFSIZE] OF INTEGER; "MODE=0..15; "BYTE=0..255; "ASCII=0..ASCMAX; "ASCIISET=SET OF ASCII; "BLOC=0..BKMAX; "PLACE=0..PLACEMAX; "ECONPLACE=ECON0..ECONMAX; "ECONARRAY=ARRAbit11,disk35,twoPlus,normalExit,myDemo,ssDisk,init, /stayGraf,dumpOk,silent,fast,slow:boolean; -cvblks:cvalBlks +END; "cvalCheat=RECORD CASE boolean OF --)vPv RL Pۡ5 Ý ˄ǐ6666á 7á 7777á7á7á7á7/á 5á5 ˡ Ä 5Í ˡ SUWX>ǿەǿٕ " צ.Pؿ ٦תPġ á ٦Undef.תPáצFinishedP<    &     ( //#ڤ./j. //#ڤ/ڤ/./ڤ Vz 10a 5106d؏ :ڪP R áBPress [RETURN] to continue._S h ,؝37/Q7Q746š3š  03á04Ȅ6 3 /0121410/Ȅ71 á121110/š2š211132ō4/ɍ7a0ʀʀȡʀ̀ʀʀ ʀÍʀʀ Í݂ݎ̀[2Pʀá[ Pʀ[צʀÍʀ0<ުP (Y or N)?P 132_YN2ڡ 1XR70 á 00 ܪPƀʀʀƀƀƀƀPƀʀʀ ̀ʀ̀ʀ ̀̀ʀʀ ̀ʀƀʀʀ[צNʀ̀ʀ̀ʀʀʀ[ƀƀʀʀʀ ̀ƀƀƀʀƀצƀ ̀ʀʀ ˍʀƀʀá^ ƀ۪P[ڪP2٪P تPƀצ?ulrd Pƀ ƀ ƀ ̀̀ʀ̀̀̀ʀʀȡƀׯ ƀ.ƀ̀ʀ̀ƀƀʀƀ ƀƀʀ2ڪP ٪P[ [\ צw\2\ ]a؄  Ʉ] Í]]2ױ\Ǹܕ  2צ ׯ6^2\ ^]\ ]Í]Í[[ [[(S:STRING;VAR CT,X,Y:INTEGER;ERASE:BOOLEAN):BOOLEAN;  PROCEDURE WRTLNS(ST:STRING;VAR X,Y:INTEGER;LF,SECPAUSE:BYTE);  PROCEDURE MESSG(S:STRING;LF,SECPAUSE:BYTE);  PROCEDURE PCR;  PROCEDURE HOME;  PROCEDURE MARKSPOT(VAR Y0:INTEGER);  PROCEDURE GOTOSPOT(Y0:INTEGER);  PROCEDURE BOX(X0,Y0,X1,Y1:INTEGER);  PROCEDURE EXPRBOX(VAR EX:EXPR;B:BLOC;XB,YB:INTEGER); PROCEDURE SCROLL(XLEFT,XRIGHT,YTOP,YBOT,LINES,PAUS:INTEGER);  IMPLEMENTATION E :BYTE; /ITEMS,DO_MSG,CHGMSG,RETMSG:STRING);  FUNCTION MSGYN(S:STRING;VAR CT,X,Y:INTEGER;ERASE:BOOLEAN):BOOLEAN;  PROCEDURE WRTLNS(ST:STRING;VAR X,Y:INTEGER;LF,SECPAUSE:BYTE);  PROCEDURE MESSG(S:STRING;LF,SECPAUSE:BYTE);  PROCEDURE PCR;  PROCEDURE HOME;  PROCEDURE MARKSPOT(VAR Y0:INTEGER);  PROCEDURE GOTOSPOT  USES {$U :A.LIB}SHORTGRA,GRAFA; PROCEDURE GETOKCH(VAR CHP:BYTE;VAR CT,X:INTEGER;Y:INTEGER; 2VAR CH:CHAR;CUR,OKCH:STRING;LCASEOK:BOOLEAN); PROCEDURE MENU(M:MSGTYPE;REC,OPTIONS:BYTE;VAR CHOICE:BYTE; /ITEMS,DO_MSG,CHGMSG,RETMSG:STRING);  FUNCTION MSGYN,.-X(@ @  6 ^D@! ǿ8r8&HpN,ؤښ4  ۧč4ڧ٧ ؏*٪P.-.-  T a s ۝ GGە6 Rپ؂צP ˡ. ́-ʁ- Pʁ-RTNǿǿDġ ؤښ ǀ@(߂ ȡ,ާߕە 6  hhhhhhhh4i@Hihi$ Hi(hiɥHH`\t&p "USES {$U :A.LIB}SHORTGRA,GRAFA; "PROCEDURE CIO(VAR ZOUT:REAL;VAR OUTST:STRING;INSTR:STRING;SRCE:SOURCE; 0BASEVETO:VETOSET;XB,YB,CMAX:INTEGER);  IMPLEMENTATION E  #2L 8<=>F?A:CGJJLʷ"L(  USES {$U :A.LIB}SHORTGRA,GRAFA;  PROCEDURE ADDCH(A:ASCII;VAR ST:STRING);  PROCEDURE APPEND(AST:STRING;VAR TAR:STRING);  PROCEDURE PUTPARS(VAR S:STRING); FUNCTION ASCSGN(A:ASCII):BOOLEAN;  FUNCTION REALST(ST:STRING;VAR C:BYTE):REAL; PROCEDURE STREAL(ō梀ؤÏ á á梁#梁;梁#ݤ ń梀 梀梁#ݤ ɍ  á(梀ݤ梀ݤ  墁#ݤ ɡj  ȡ墁#ݤ ȡhj 墀 墀墁; @*墁;墁#墁;Ä ߕ  n  ˡ梀梁3 á梁#ݤō梀ؤÏ á á梁#梁;梁#ݤ ń梀 梀梁#ݤ ɍ  á(梀ݤ梀ݤ  墁#ݤ ɡjآ#آj  áآ7آ#N آآ   آjآ#  آ3   á3 l١ ˡ梀梁3 á梁#ݤ E CL<<ʷZ\\ʷxR` [E :E BODY3 WRITELINUNITPARTCOMPOPTINUMSTRIN\\ER.CODE1\.TEXTGb[h:mng>ʷB `^ph.CODE.CODEACKE.CODE1.TEXTG[:mƳgEʷ "USES {$U :A.LIB}SHORTGRA,GRAFA; "CONST YOF=5; "PROCEDURE DRAWBARS(VAR EX:EXPR;BH:BLOC;XB,YB:INTEGER;M:MODE; 5STARTONLY:BOOLEAN;BEGPTR:PLACE); "PROCEDURE SHOBLOCK(VAR EX:EXPR;B:BLOC;XB,YB:INTEGER;M:MODE; 5FLASHES,CSPAUSE:INTEGER);  IMPLEMENTATION   0.á@p ^P4-ٳ(`áJ 4 ؊0@{Η.á *`á@{Η @{Η^ ˡڡۡ   ݪP  ^ˡ ^ P2^`^ooצ05532`aצ,9225Q~p[~06/T~%<~hfem~u[v4̀4ʀȡǞa444 C $PBX=0.á@p ^P4-ٳ(`áJ 4 ؊0@{Η.á *`á@{Η @{Η^ ˡڡۡ `Ŷ!^ á  -Ä^`á#ö^`?á`á á ` ˶Ä  .á  .R^^B35ȸ^^5333_`Ä5^Fɡ 222+_4 ظ4  `á^ `0 ء  4 ɡצ^*Pس__Ʉš 5P$5^P`á5? `á5 ^3R ö^ 44  4 Ŷ4ĄCL<<ʷZ\\ʷxR` [E :E BODY3 WRITELINUNITPARTCOMPOPTINUMSTRIN\\ER.CODE1\.TEXTGb[h:mng>ʷB `^ph.CODE.CODEACKE.CODE1.TEXTG[:mƳgEʷVAR ST:STRING;Z:REAL;SF:INTEGER);  FUNCTION APPROX(Z:REAL;SF:BYTE):REAL; PROCEDURE SHUFFLE(VAR SHF:SHFARRAY;MX:INTEGER);  FUNCTION BINOPLOC(VAR ST:STRING;LOC:BYTE):BOOLEAN;  PROCEDURE NUMSUB(SUB:STRING;VAR TAR:STRING;C0,C1:BYTE; ,TP,MSG:BOOLEAN;VAR AST,PAR:BOOLEAN); PROCEDURE APPROXSTR(Z:REAL;SF,SFMAX:BYTE;VAR AP:STRING);  FUNCTION SMALLDIF(Z1,Z2,ERR:REAL):BOOLEAN; FUNCTION VERYCLOSE(TAR,TRY:REAL;SF:BYTE;SFONLY:BOOLEAN):BOOLEAN;  PROCEDURE GETXVALS(RND:BOOLEAN;N:VARPOS;RX:ROW;ZMIN,ZMAX:INTEGER);  PRO ݪP00 11\ˡ1b1)á30200&11iɄ1a2102307030270*1(á0 701ȡ 1 \13 h   t |١MڀÄɄ  ń )@ Ä ޮ Ä؄  ܹڂ(ڕ!ڏچ*/ %"  :7+3צ P öÄ öń'Xؕ  צ-Pxؓ *ؓ ءš CL<<ʷZ\\ʷxR` [E :E BODY3 WRITELINUNITPARTCOMPOPTINUMSTRIN\\ER.CODE1\.TEXTGb[h:mng>ʷB `^ph.CODE.CODEACKE.CODE1.TEXTG[:mƳgEʷ "USES {$U :A.LIB}SHORTGRA,GRAFA,STRAP; "PROCEDURE EXMAKE(VAR INST:STRING;MINCO,MAXCO,MINEX,MAXEX, 'PRPOSNEG,PRADDSUB:INTEGER;VARCHG,SHUFL,OMIT0:BOOLEAN;VAR XSUB:INTEGER);  IMPLEMENTATION E <=>F?A:CGJJLʷ"L(*Í22   ݕ PV Ʉ=/ @ 2 ڡ[[[2 [ 2 2ȡEܡݤ $ݤٕŕL Z צ System error.Hold [CTRL] and press [RESET]. ndPL$\2š 2Í22   ݕ PV Ʉ=/ @ 2 ڡ[[[2 [ 2 8 ōھ@0 *ײ P, ߪPń -ÄB333 3+Í +-3  -Ä@ 2š2,Pá 0Pߡ0. -P`{pT  ؂ š ȡݤޕȡ' ݤݤܤܤۚ šg:X  v ɡ%؀צP  $   ? ȡ9 =  0ނ  ȡ 0ؑ ȡ0Pɡ1݂ɡצ.10)51=133100.35/Lb  =̲,4پáٕ# 2@{ΗۦUndef.תP0Páצ Pٿ٪PPRצ(P),ȡ 000۪P5.3/00-á..053 3000.á<CEDURE ERRORQUIT;  IMPLEMENTATION E APPROX(Z:REAL;SF:BYTE):REAL; PROCEDURE SHUFFLE(VAR SHF:SHFARRAY;MX:INTEGER);  FUNCTION BINOPLOC(VAR ST:STRING;LOC:BYTE):BOOLEAN;  PROCEDURE NUMSUB(SUB:STRING;VAR TAR:STRING;C0,C1:BYTE; ,TP,MSG:BOOLEAN;VAR AST ɏ   ؿ ڶ ȡ ھ۹S     ɡ-   ؊ +}F]  "$&(*,.02468:<>@BDFHJLNPRTVXZ\^`hjlnprtvxz|~\˂ צ 0P +á #A02\P ء  a3ٳ`a&a cŏcš  @ٿaÝɄaz ˍ bŶ !`bá7 j^ áb áb ?áb á  á b ػ +ö -Í -á '@!ب  - <  \+,ö \ -Ä+ɡl^g  ˡNس@aa5٢٢j[٢٢;٢jZb ء   |ö ö` [ ؓ ,Yؓ  á  öÄ ءYY^``8 š- ,Y á  á YY á^   ˡfr ?š  \@ ٿצخ ,Y*á`؝ á leftצerase a character G áצupstart an exponent $ á  á  ġ@ á_[Z  ۚ   á ٸĄ á[[ ز[Z ö]TPɡ ɡخ آj   آ;آj:Xqȸ`` qXXXa_bÄ,.02468:<>@BDFHJLNš qP5q^Pbáq? báq báq `X TVX  ˡ ,,,j[ ˲Ą Ŷ[ ɡ jצ^*Pس__ɡ    Vabsolute value CB denominator T  Bexponent  5Bצradical %J N3X)Pw  "$&(šP&8  ڪ٪# $ v. צdownend your exponent & צخ  [[  ٶڢj$š ٶk&qa Ŷ`     cp@$k,  ,^ˡ ^ײ,PYa`bP ٪ت ODE);  IMPLEMENTATION E R` [E :E BODY3 WRITELINUNITPARTCOMPOPTINUMSTRIN\\ER.CODE1\.TEXTGb[h:mng>ʷB `^ph.CODE.CODEACKE.CODE1.TEXTG[:mƳgEʷ "USES {$U :A.LIB}SHORTGRA,GRAFA,SHOBL; "CONST MAXCODE=63; "TYPE CODEPOS=0..MAXCODE; 'CHARCODE=PACKED ARRAY[CODEPOS] OF CHAR; "PROCEDURE IO(VAR EX:EXPR;SRCE:SOURCE;BASEVETO,PWRVETO:VETOSET; .XB,YB,CMAX,FRACMAX,DEPTHMAX:INTEGER;INSTR:STRING;TASC:CHARC3zp & pz @@p@pōaAzkAkȡ{Aiɡ Aa [Apɡ Aa Cۡ5ڡ Aap3Ap Aa@@@@zšp@ AaAAA a@k@kȡ@ @@  @@ȡ`@AAaġ:Apɡ/B AaB@@ AaAi@@A AAAZȄA @@ׯ0P=á 0P=á0 |F6*$ az 3zp & pz @@p@pōaAzkAkȡ{Aiɡ Aa [Apɡ Aa Cۡ5ڡ Aap3Ap Aa@@@@zšp@ AaAAA a@k@kȡ@ @@  @@+:"^ %\% .á  .%= 0 .áH&%  0@{Η<' )_ bá0] ' .á&]!@{Ηbá ` ܢ*ܣ)@ܣ)i $   ˡ خ./˄ >( ݢ#ؤݢ#ؤݢݢ#٨QܢOÂܢOšەܢOá ܢOhؼ!ؼ^]k  س@{Η4 @{Η@{Η   ?^-@U % LINEAR,IDENT:BOOLEAN; % XFACTOR,SOLVED:EQNTYPE %END;  FUNCTION EVAL(ES:EXDAT;RW:ROW;VAR RHS:REAL):REAL;  PROCEDURE VARSORT(VAR VNEW:BYTE;ES:EXDAT;INIT,NEWVAROK:BOOLEAN);  FUNCTION IDENTICAL(STEPL:STEPLIST;INIT:BOOLEAN; 0COUNT:INTEGER;VAR FINITE:BOOLEAN):BOOLEAN; PROCEDURE LINCHK(S:STEP;V:VARPOS;VAR EDAT:EQNDATA);   IMPLEMENTATION E %EXDAT=RECORD 'ESTEP:STEP; 'ESIDE:SIDE %END; %STEPLIST=PACKED ARRAY[DVCOL] OF EXDAT; %EQNTYPE=ARRAY[SIDE] OF BOOLEAN; %EQNDATA=RECORD % ROOT:REAL; % LINEAR,IDENT:BOOLEAN; % XFACTOR,SOLVED:EQNTYPE %END;  FUNCTION EVAL(ES:EXDAT;RW:ROW;VAR RHS:REAL):REAL;  PROCEDURE VARSORT(VAR VNEW:BYTE;ES:EXDAT;INIT,NEWVAROK:BOOLEAN);  FUNCTION IDENTICAL(STEPL:STEPLIST;INIT:BOOLEAN; 0COUNT:INTEGER;VAR FINITE  USES {$U :A.LIB}SHORTGRA,GRAFA,STRAP;  CONST LSIDE=0;LRSIDE=1;RSIDE=2;  TYPE SIDE=LSIDE..RSIDE; %EXDAT=RECORD 'ESTEP:STEP; 'ESIDE:SIDE %END; %STEPLIST=PACKED ARRAY[DVCOL] OF EXDAT; %EQNTYPE=ARRAY[SIDE] OF BOOLEAN; %EQNDATA=RECORD % ROOT:REAL; ` $$n!: P` * L  D h l2^.<Zrnd2٤Zá#jpák t  Ǣ UVWݢ)@]ܢj^P^P \[Z ޢ;ޢPޢ#^p  š0ܢOܣPܢO ܢ#ܢjܢ#ܢ# ,٪P ب @1ȡ#P٤P/ ō21PZ <ġ !#" ٤Zá#jpákەššxe / ڣPȡڢؤ٤ڢؕ٤&<1 1  á٣P*2 P P3ٻ^ˡ#já ظ[٤ݢۤؤقɶقō áݢ3ݢۤؤš ݢۤؤٚá4 0 ńk0ܢ3ܢܢ3öܢڤەōܢڤ c, á."- cڍ\١-ړ * *  c@  (z # ݣPȡ5ȡ#ݢܤڤݢܤڤܢjآjá M[[\U .(UUUVWá  \ á l.!bŶ @$ á)x   (` á@ (G (á (. á+"ܢ7ۻ[ ٮ /[šܢܢ#ۤ[[ɡظ[ܢܢj[**VVUU )U W  (WWUU2+ ., ݢݢ#ݢܤݢۤݢj۾ˏـš9 ˡȡݢڤݢڤق)  * U V ܢjܢj Ą%`Xqš`  ܣP[ ܣP /-) ܕ܊   Z ) @{Η)  @&s 0_p$܊      e ȡ*! @{ΗڑšV@{Η@{Η@{Η"ڡ   ܊               )޶Ʉ  &     S^ $ ٳ=ټ ؼ  @{Η@{Ηȡ  Q? ܕܕݢ ݢ 0    8 ȡޤ@{Η6š޶ɡ@{Η@{Η;LAB:INTEGER); 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0; 0;  ddeePf ePd ,,# 6& ^__ȡٶ^ٶ čٶ   Äړٶ Äڡ ٝ ۡ5צIf x=#P߸a  ``ȡK aš5ŏ,"R!ءڶ צPlease evaluate: ء1ݓ.1 1# 1dݡء!ڤ ض   #تPƏݢK ڤ   ܸV6צ 2,"@{Η"L  Q٢٢ Q٢٢   (ݢݢاݢa۶ azȡ/ašٿ ȡ٢٢$  `1ȡȡ ٮ82'FI ضPZ ȡ\٢ȡ0٢Q٢ȡVQ٢٢ۢ٢٢٢Qɡ ܢO6٤؂*Qܢܢ#ڕڕ:  ٢٢٢ height~=~=)Pۓ =)Pړ =)P ݡ צ   צ ܡGڄ&צThe lines meet at the point צThus, this is where     e ݶܶō     `١(,)תP ̀̀ʀġ=) =)Pʀaġ*X~=~=)P=)ʀöڳ ڳ  ۶ˍ ڹەۂ~ۂwەp;h$ 7 "$&(*,.02468:<>@BDFHJLNdRTVXZ\^`bdfu    ?Í? "٪  š    Fڡ$ ߢߢ 2ت     ?ُ؏:     ݢلݢöڕnݢaġ צcorrespond to =)Pצhave =)P=)צPoints on this line ڡڂڡڕ$. ȡ *   áߢߢ ߢߢ  XتPP.P2R0ö   /٪PتPۡ/ái/theצeach /צanotherצmore /valueצvalues /צthisthese /variableצ variables /צxy ܝ  !/ (";"=up,~"/"=down)צ^v /צ^v YXYX/YX  ە5&5צ , and x=#P    & `aaQ`` is~#.&^צ dٝdړۂ؝ٶĶŶJf,(%  č ɕצLet's try more values: dȡ) ɡ 2%'7  ȡ4 ɡ  ..// //.آ צUSTRTPצ#04:P 0 0Zx -ء-  Welcome to Algebra Mentor by John C. Miller.تPǮG ǶG BǂB,,,,,AšTRš%%ˡk..á"šd= Filling memory card. ƃ ƃ ƃ p@ @ 2\ $0 $:Í áضP   ݄ Ě Ív`M M M  (ɡɡ..ݕšݕޏޏނ!:  0 RAMƃ ڦ USTRT.CODE  ̃ʃ̃ʃ.DD00................תPʃڻʃ ٻʃ @  ʃ @ @ @ آ  ت  ["áJM Ä6 ػ  ۪M M ɡ M M 0 F ڢצSYSTEM.MISCINFO ڢMSG.DATA ڢPRO.DATA ڢLES.DATA ڢNES.DATA ڢDUS.DATA צ System error.áDisk is write-protected. 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