A free program for Windows, by graphcalc.
GraphCalc‘Calculators & Converters’
About GraphCalc for Windows
This app has been published on Softonic on June 8th, 2011 and we have not been able to try it yet.
We encourage you to try it and leave us a comment or value it on our website. Our user community will really appreciate it!
GraphCalc requires Windows 98 and above. The current version of the app is 4.0.1, and you can get it only in English.