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<H2>DESCRIPTION</H2>


<EM>r3.mapcalculator</EM> Provides a GUI frontend to r3.mapcalc. Up to 5 maps can be combined using simple expressions. 

Enter an r3.mapcalc expression in the formula field using the format: A+C or exp(A+C)+(B-2)*7 where A, B, C are grid3D volumes entered in the A field, B field, and C field. 

Do not enter output file in the formula field: correct: A+B; incorrect: newfile = A+B. Use no spaces or blanks. 

Expert mode runs r.mapcalc for more complex expressions.
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<H2>SEE ALSO</H2>

<EM><A HREF="r3.mapcalc.html">r.mapcalc</A></EM>,


<H2>AUTHOR</H2>

Michael Barton, Arizona State University. Based on r.mapcalculator by R. Brunzema (r.brunzema@web.de)
<p><i>Last changed: $Date: 2004/08/17 20:30:24 $</i>