shell scripts help

From: Adam Hanel (hanela@BILLINGS.K12.MT.US)
Date: Fri Jun 21 2002 - 12:38:55 EDT

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Does any one know how to do basic multiplication and division in Korn
shell scripting?

I have two numbers total and used. I would like to take
Total - amount = free

Then
Free / total = %used

I can do the addition and subtraction fine, but I keep getting 0 as a
result of my division.

For example

555 - 300 = 255

255 / 555 = .51

.51 * 100 = 51%

Thanks!
Adam Hanel

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