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math(n) 				 Tcl Math Library				  math(n)

NAME
       math - Tcl Math Library

SYNOPSIS
       package require Tcl 8.2

       package require math ?1.2?

       ::math::cov value value ?value ...?

       ::math::integrate list of xy value pairs

       ::math::fibonacci n

       ::math::max value ?value ...?

       ::math::mean value ?value ...?

       ::math::min value ?value ...?

       ::math::prod value ?value ...?

       ::math::random ?value1? ?value2?

       ::math::sigma value value ?value ...?

       ::math::stats value value ?value ...?

       ::math::sum value ?value ...?

DESCRIPTION
       The math package provides utility math functions.

COMMANDS
       ::math::cov value value ?value ...?
	      Return  the  coefficient	of  variation expressed as percent of two or more numeric
	      values.

       ::math::integrate list of xy value pairs
	      Return the area under a "curve" defined by a set of x,y pairs and the  error  bound
	      as a list.

       ::math::fibonacci n
	      Return the n'th Fibonacci number.

       ::math::max value ?value ...?
	      Return the maximum of one or more numeric values.

       ::math::mean value ?value ...?
	      Return the mean, or "average" of one or more numeric values.

       ::math::min value ?value ...?
	      Return the minimum of one or more numeric values.

       ::math::prod value ?value ...?
	      Return the product of one or more numeric values.

       ::math::random ?value1? ?value2?
	      Return  a random number.	If no arguments are given, the number is a floating point
	      value between 0 and 1.  If one argument is given, the number is  an  integer  value
	      between  0  and value1.  If two arguments are given, the number is an integer value
	      between value1 and value2.

       ::math::sigma value value ?value ...?
	      Return the population standard deviation of two or more numeric values.

       ::math::stats value value ?value ...?
	      Return the mean, standard deviation, and coefficient of variation as percent  as	a
	      list.

       ::math::sum value ?value ...?
	      Return the sum of one or more numeric values.

KEYWORDS
       math, statistics

math					       4.2					  math(n)
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