This is TeX, Version 3.14159 (C version 6.1) (format=latex 97.4.9)  27 OCT 2003 12:49
**ch15.tex

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<*> ch15.tex
            
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Here is how much of TeX's memory you used:
 3 strings out of 10911
 18 string characters out of 72114
 43241 words of memory out of 262141
 2977 multiletter control sequences out of 9500
 3640 words of font info for 14 fonts, out of 150000 for 255
 14 hyphenation exceptions out of 607
 0i,0n,0p,1b,6s stack positions out of 300i,40n,60p,3000b,4000s
No pages of output.