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<div align="left"><font face="Arial"><span style="font-size:10pt">The recent version of multido implements two macros named \fpAdd and \fpSub</span></font></div>
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<div align="left"><font face="Arial"><span style="font-size:10pt"> \fpAdd{num1}{num2}{command}</span></font></div>
<div align="left"><font face="Arial"><span style="font-size:10pt"> \fpSub{num1}{num2}{command}</span></font></div>
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<div align="left"><font face="Arial"><span style="font-size:10pt">The floating point package, which we use to create animations for out AcroTeX
Presentation Bundle (APB) uses the fltpoint package. In that package, there is
defined</span></font></div>
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<div align="left"><font face="Arial"><span style="font-size:10pt"> \fpAdd{command}{num1}{num2}</span></font></div>
<div align="left"><font face="Arial"><span style="font-size:10pt"> \fpSub{command}{num1}{num2}</span></font></div>
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<div align="left"><font face="Arial"><span style="font-size:10pt">Same functionality, but different argument order.</span></font></div>
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<div align="left"><font face="Arial"><span style="font-size:10pt">Here is a typically usage from one of our animation files</span></font></div>
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<div align="left"><font face="Arial"><span style="font-size:10pt">\multido{\i=1+1}{41}{\frame\fpAdd{\xi}{\xi}{\myDelta}\fpAdd{\ai}{\ai}{\myDeltaA}}</span></font></div>
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<div align="left"><font face="Arial"><span style="font-size:10pt">The first LaTeX error is </span></font></div>
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<div align="left"><font face="Arial"><span style="font-size:10pt">! Argument of \multido@temp has an extra }.</span></font></div>
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<div align="left"><font face="Arial"><span style="font-size:10pt">Any solutions? I know, switch to fp package.</span></font></div>
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<div align="left"><font face="Arial"><span style="font-size:10pt">dps</span></font></div>
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<div align="left"><font face="Arial"><span style="font-size:10pt">--</span></font></div>
<div align="left"><font face="Arial"><span style="font-size:10pt">Dr. D. P. Story / Dept. of Theoretical and Applied Mathematics / The University of
Akron /</span></font></div>
<div align="left"><font face="Arial"><span style="font-size:10pt">Akron, OH 44325 / dpstory@uakron.edu /</span></font></div>
<div align="left"><font face="Arial"><span style="font-size:10pt">Personal URL: http://www.math.uakron.edu/~dpstory/</span></font></div>
<div align="left"><font face="Arial"><span style="font-size:10pt">AcroTeX Web Site: http://www.math.uakron.edu/~dpstory/acrotex.html</span></font></div>
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