loncom/html/adm/help/tex/Problem_LON-CAPA_Functions.tex - diff

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version 1.9, 2007/05/24 06:45:57	version 1.10, 2007/05/24 11:29:16
Line 57 erf = 2/sqrt(pi) integral (0,x) et-sq an	Line 57 erf = 2/sqrt(pi) integral (0,x) et-sq an
\&roundto(\$x,\$n) & Rounds a real number to n decimal points. \$x and \$n can be pure numbers \\	\&roundto(\$x,\$n) & Rounds a real number to n decimal points. \$x and \$n can be pure numbers \\
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&\&cas(\$s,\$e)&Evaluates the expression \$e inside the symbolic algebra system \$s. Currently, only the Maxima symbolic math system is implemented. Example: \&cas('maxima','6*7')&\\	\&cas(\$s,\$e)&Evaluates the expression \$e inside the symbolic algebra system \$s. Currently, only the Maxima symbolic math system is implemented. Example: \&cas('maxima','6*7')\\
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\&web(``a'',''b'',''c'') or \&web(\$a,\$b,\$c) & Returns either a, b or c depending on the output medium. a is for plain ASCII, b for tex output and c for html output \\	\&web(``a'',''b'',''c'') or \&web(\$a,\$b,\$c) & Returns either a, b or c depending on the output medium. a is for plain ASCII, b for tex output and c for html output \\