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$The achicago LaTeX package - University of Chicago$

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+ 4 8 2 55 3 0 71 0 1 3 2source\opadd[carryadd=false]{4825}{5307}+1 1 14 8 2 55 3 0 71 0 1 3 2source\opadd[lastcarry]{4825}{5307}The deletezero parameter is also a boolean parameter. It indicatesif non-significant zeros must be deleted or not. Its default value is true.When this parameter is false, the operands and the result has the samenumber of digits. For that, <strong>xlop</strong> package adds non-significant zeros. Also,the non-significant zeros of operands are not removed.++1 1 11 2.3 4 2 75.2 7 7 31 7.6 21 1 10 1 2.3 4 2 70 0 5.2 7 7 30 1 7.6 2 0 0source\opadd{012.3427}{5.2773}\par\opadd[deletezero=false]{012.3427}{5.2773}This parameter has exactly the same rôle for inline mode than for displayedmode.2.8+1.2=402.8+1.2=04.0source\opadd[style=text]{02.8}{1.2}\par\opadd[style=text,deletezero=false]{02.8}{1.2}\par3.2 SubstractionSubstraction is made by \opsub macro. In displayed mode, the substractionshows only nonnegative numbers. For that, it shows an addition whenone operand is nonpositive.+12 4 57 23 1 7source\opsub{245}{72}In a general way, the principle is to display the operation which allow tofind the result as you make it “by hand”. On the contrary, inline mode showsalways a substraction since you can now write nonpositive numbers.13
−245−72=−317source\opsub[style=text]{245}{72}This principle apply also when the first operand is less than the second one(positive case). In this case, we have an operand inversion.− 2.4 51.21.2 5source\opsub{1.2}{2.45}Of course, inline operation gives an exact result.1.2−2.45=−1.25source\opsub[style=text]{1.2}{2.45}In addition to general parameters we have seen at section 2.2, \opsubtakes account of carrysub, lastcarry, offsetcarry, deletezero, andbehaviorsub parameters.The carrysub parameter is a boolean one which indicates if carriesmust be present or not. Its default value is false. (Remember that thedefault value ofcarryadd parameter istrue.)−1 2 13 145 6 76 6 71 1source\opsub[carrysub]{1234}{567}In the last example, you can see that there is no carry above the lastdigit of 1234. This is quite common (at least in France). If you want displaythis last carry, you have to use thelastcarry parameter. This parameterdoes not have the same behavior in substraction and in addition sincehere, the last carry is not displayed when the second operand does not havecorrespondent digit. (For addition, last carry is not displayed when all theoperands do not have correspondent digit.)1 2 3 45 6 76 6 7− 1 1 11 1 1source\opsub[carrysub,lastcarry]{1234}{567}Note that, in this case, it is better to set thedeletezero parameter tofalsein order to have a nicer result.1 2 3 40 5 6 70 6 6 7− 1 1 11 1 1source\opsub[carrysub,lastcarry,deletezero=false]{1234}{567}Perhaps it seems to you that showing carries for substraction is a bitmore dense. You can enlarge the figure box with the opcolumnwidth parameter.You can also indicate the carry horizontal shift using theoffsetcarryparameter. Its default value is0.35.14
Page 1 and 2: XLOP v 0.25User ManualJean-Côme Ch
Page 3: C Future Versions 46D Index 48ii
Page 7 and 8: Chapter 2xlop InstructionsExcept so
Page 9 and 10: to use the \opset macro. For exampl
Page 11 and 12: −12+−23=−35(−12)+(−23)=(
Page 13 and 14: This mechanism is even more powerfu
Page 15: Chapter 3Arithmetic Operations3.1 A
Page 19 and 20: 4 5 3×1 0 0 1 2 0 52 2 6 59 0 6 ·
Page 21 and 22: 3.4.1 End ControlIn the following t
Page 23 and 24: 150÷7=21.428571...source\opdiv[per
Page 25 and 26: 0×0 3.4 5 68 9 61 2 8 002×5 60.0
Page 27 and 28: It is 13 hours 55 minutessource\opi
Page 29 and 30: Six macros allow to write or read a
Page 31 and 32: directly these “operations” sin
Page 33 and 34: The very last macro we have to stud
Page 35 and 36: Appendix AShort SummaryA.1 Compilat
Page 37 and 38: A.2 Macros ListMacroDescription\opa
Page 39 and 40: Macro\opsub*{n1}{n2}{N}\opunzero{N}
Page 41 and 42: Parameter Default Significationcarr
Page 43 and 44: Appendix BTricksB.1 xlop vs. calc a
Page 45 and 46: }\againtrue\global\primetrue\tryind
Page 47 and 48: prohibition, there is the particula
Page 49 and 50: Appendix CFuture VersionsVersion of
Page 51 and 52: Appendix DIndexaddsymbol, 6afterper
Page 53: nil, 44offsetcarry, 14opcolumnwidth

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