Re: dc and bc in Important?
andersee@et.byu.edu (Erik B. Andersen) writes:
[snip]
> For most math, expr works just fine. Of course, expr is limited
> to integer math, but it works and is portable.
Actually, for integer math, bash or ksh works quite well.
bash$ a=41
bash$ let a+=1
bash$ echo $a
42
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