Help on specific math functions in Tcl as built in to the expr command.

• abs
• acos
• asin
• atan2
• atan
• ceil
• cosh
• cos
• double
• entier
• exp
• floor
• fmod
• hypot
• int
• isqrt
• log10
• log
• pow
• rand
• round
• sinh
• sin
• sqrt
• srand
• tanh
• tan
• wide

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See also:

• pi

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[Category Command|Category Mathematics|Importing expr functions]