Real constants and functions: Difference between revisions
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=={{header|Tcl}}== |
=={{header|Tcl}}== |
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<lang tcl>expr {exp(1)} ;# e |
<lang tcl>expr {exp(1)} ;# e |
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expr {4 * atan(1)} |
expr {4 * atan(1)} ;# pi |
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expr {sqrt($x)} |
expr {sqrt($x)} ;# square root |
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expr {log($x)} |
expr {log($x)} ;# natural logarithm, also log10 |
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expr {exp($x)} |
expr {exp($x)} ;# exponential |
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expr {abs($x)} |
expr {abs($x)} ;# absolute value |
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expr {floor($x)} |
expr {floor($x)} ;# floor |
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expr {ceil($x)} |
expr {ceil($x)} ;# ceiling |
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expr {$x**$y} ;# power, also pow($x,$y) |
expr {$x**$y} ;# power, also pow($x,$y)</lang> |
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</lang> |
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