4Day Graphing Calculator Home

I call it "FourDay" (4D) because version 1.0 took four days to write.  I was hoping for three days, but as it turned out I could barely do it in four.  Like most things, I blame it on Windows.   It can handle most standard expressions such as y=m*x+b and sin (pi/3). Please note that you must specify the multiply operator explictly; for example, a*x**3 means "a times x cubed"

4dgc.jpg (34741 bytes)

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