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a simple trick to do floating point operations in shell, use awk. You can evaluate any complicated expressions which can be evaluated in C.
There are 8 alternatives - vote for the best!
allows you to use floating point operations in shell scripts
-l auto-selects many more digits (but you can round/truncate in your head, right) plus it loads a few math functions like sin().
using bc is for sissies. dc is much better :-D
Polish notation will rule the world...
Calculator for shell. Similar performance and basic usage as 'bc', but with more advanced features. Not installed on most systems by default.
If you can do better, submit your command here.
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