How do you use the Σ (Sygma) symbol and type it on this websight?
btw, I put that sygma symbol by coppying it.
well..., its realy realy old.
Wondering that myself......found Sigma function on other calculators and websites, but not on this one....yet.....
does anyone else have a typerighter?
Uh.. No. But i'll take one! ;)
+776 
