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{SECT 0 {SECT 0 {PARA 0 "" 0 "" {TEXT 26 7 "Advice:" }{TEXT -1 13 " Pi
 is not pi" }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT 
-1 11 "Maple uses " }{MPLTEXT 0 21 2 "Pi" }{TEXT -1 6 ", not " }
{MPLTEXT 0 21 2 "pi" }{TEXT -1 32 ", for the constant 3.14159....  " }
{MPLTEXT 0 21 2 "pi" }{TEXT -1 78 " is just an unassigned name that ca
n be used for a variable.\n\nUnfortunately,  " }{MPLTEXT 0 21 2 "Pi" }
{TEXT -1 5 " and " }{MPLTEXT 0 21 2 "pi" }{TEXT -1 16 " both look like
 " }{XPPEDIT 18 0 "Pi" "6#%#PiG" }{TEXT -1 30 "  in typeset output.  Y
ou can " }{MPLTEXT 0 21 6 "lprint" }{TEXT -1 42 " an expression to tel
l them apart, or use " }{MPLTEXT 0 21 3 "has" }{TEXT -1 27 ".  \n\nIf \+
you prefer to type " }{MPLTEXT 0 21 2 "pi" }{TEXT -1 13 " rather than \+
" }{MPLTEXT 0 21 2 "Pi" }{TEXT -1 17 ", you can assign " }{MPLTEXT 0 
21 2 "pi" }{TEXT -1 11 " the value " }{MPLTEXT 0 21 2 "Pi" }{TEXT -1 
1 ":" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 8 "pi:= Pi;" }}}{PARA 0 
"" 0 "" {TEXT -1 37 "But it's better to get used to using " }{MPLTEXT 
0 21 2 "Pi" }{TEXT -1 49 " so as to be compatible with other people's \+
work." }}}{SECT 0 {PARA 3 "" 0 "" {TEXT 26 9 "Examples:" }}{EXCHG 
{PARA 0 "> " 0 "" {MPLTEXT 1 0 21 "a:= pi*r^2 <> Pi*r^2;" }}{PARA 11 "
" 1 "" {XPPMATH 20 "6#>%\"aG0*&%#piG\"\"\")%\"rG\"\"#F(*&%#PiGF(F)F(" 
}}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 9 "evalf(a);" }}{PARA 11 "" 
1 "" {XPPMATH 20 "6#0*&%#piG\"\"\")%\"rG\"\"#F&,$*$F'F&$\"+aEfTJ!\"*" 
}}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 10 "lprint(a);" }}{PARA 6 "" 
1 "" {TEXT -1 16 "pi*r^2 <> Pi*r^2" }}}{EXCHG {PARA 0 "> " 0 "" 
{MPLTEXT 1 0 15 "has(lhs(a),pi);" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#%%
trueG" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 15 "has(rhs(a),pi);" }
}{PARA 11 "" 1 "" {XPPMATH 20 "6#%&falseG" }}}}{SECT 0 {PARA 0 "" 0 "
" {TEXT 26 9 "See also:" }{HYPERLNK 17 " Pi" 2 "ininames" "" }{TEXT 
-1 2 ", " }{HYPERLNK 17 "lprint" 2 "lprint" "" }{TEXT -1 2 ", " }
{HYPERLNK 17 "has" 2 "has" "" }}}{SECT 0 {PARA 0 "" 0 "" {TEXT 26 22 "
Maple Advisor Database" }{TEXT 256 18 "   R. Israel, 1997" }}}}{MARK "
0 4 2" 5 }{VIEWOPTS 1 1 0 1 1 1803 1 1 1 1 }{PAGENUMBERS 0 1 2 33 1 1 
}