{VERSION 2 3 "IBM INTEL NT" "2.3" } {USTYLETAB {CSTYLE "Maple Input" -1 0 "Courier" 0 1 255 0 0 1 0 1 0 0 1 0 0 0 0 }{CSTYLE "2D Math" -1 2 "Times" 0 1 0 0 0 0 0 0 2 0 0 0 0 0 0 }{CSTYLE "Hyperlink" -1 17 "" 0 1 0 128 128 1 0 0 1 0 0 0 0 0 0 } {CSTYLE "2D Comment" 2 18 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 }{CSTYLE "2 D Output" 2 20 "" 0 1 0 0 255 1 0 0 0 0 0 0 0 0 0 }{CSTYLE "" 0 21 "" 0 1 0 0 0 1 0 0 0 0 2 0 0 0 0 }{CSTYLE "Help Heading" -1 26 "" 1 14 0 0 0 0 0 1 0 0 0 0 0 0 0 }{CSTYLE "" -1 256 "Times" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 }{PSTYLE "Normal" -1 0 1 {CSTYLE "" -1 -1 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 }0 0 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }{PSTYLE "Text Outp ut" -1 2 1 {CSTYLE "" -1 -1 "Courier" 1 10 0 0 255 1 0 0 0 0 0 1 3 0 0 }1 0 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }{PSTYLE "Heading 1" 0 3 1 {CSTYLE "" -1 -1 "" 1 18 0 0 0 0 0 1 0 0 0 0 0 0 0 }1 0 0 0 6 6 0 0 0 0 0 0 -1 0 }{PSTYLE "" 2 6 1 {CSTYLE "" -1 -1 "" 0 1 0 0 0 0 0 0 0 0 0 0 2 0 0 }0 0 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }{PSTYLE "Maple Output" 0 11 1 {CSTYLE "" -1 -1 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 }3 3 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }} {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" "I#PiG6\"" }{TEXT -1 30 " in typeset output. \+ You can " }{MPLTEXT 0 21 6 "lprint" }{TEXT -1 42 " an expression to te ll 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 0 "" }}{PARA 0 "" 0 "" {TEXT -1 37 "But it's better t o 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\"\"#*&%#PiGF(F)F*" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 9 "evalf(a);" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#0*&%#piG\"\"\"%\"rG\" \"#,$*$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" } }}}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{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 "ha s" 2 "has" "" }}}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{SECT 0 {PARA 0 "" 0 "" {TEXT 26 22 "Maple Advisor Database" }{TEXT 256 18 " R. Israel, 1 997" }}}}{MARK "3 0 5" 2 }{VIEWOPTS 1 1 0 1 1 1803 }