Version 4 of acos

Updated 2007-10-31 14:05:30 by suchenwi

acos (arc cosine) is one of several extended math command available in Tclx. It is a procedure which provides command access to the expr math function, taking the same arguments as the expr function and taking expressions as arguments as well.

One good use for acos is to get the constant Pi:

 % expr acos(-1)
 3.141592653589793

Category Command | Category Mathematics | Category TclX