A simple solution might be:
Call Shell(fReturnSysDir() & "\calc.exe")
where the fReturnSysDir() is available here:
http://www.mvps.org/access/api/api0010.htm
If you want to type a calculation into a text box and have Access evaluate
it, see help on Eval().

Signature
Allen Browne - Microsoft MVP. Perth, Western Australia.
Tips for Access users - http://allenbrowne.com/tips.html
Reply to group, rather than allenbrowne at mvps dot org.
> Does anyone have a good calulator I could add to a form ?
>
> Thanks
I use this:
http://www.accessmvp.com/Arvin/CalculatorDemo.zip
or this:
http://www.datastrat.com/Download/popCalc.zip
Terry Kreft has a nice one here:
http://www.mvps.org/access/downloads/calc.zip

Signature
Arvin Meyer, MCP, MVP
Microsoft Access
Free Access downloads
http://www.datastrat.com
http://www.mvps.org/access
> Does anyone have a good calulator I could add to a form ?
>
> Thanks