I second the Excel recommendation for simple, fixed formulas.

Also, Microsoft Mathematics is free and pretty darn good (and I am not
a big Microsoft fan)

http://www.microsoft.com/download/en/details.aspx?id=3D15702

My personal favorite is Matlab because I have been using it for so
long - but it is very pricey and does not natively do symbolic math -
you need to pay extra for add-ins for it to do that.

Sean


On Wed, Aug 17, 2011 at 11:06 AM, Carl Denk <cdenk@windstream.net> wrote:
> For the say dozen or so simple formulas, enter the formulas into an
> Excel (or Open office calc). Save the spreadsheet =A0 =A0:)
>

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