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+ By SirioSoft
Fast and multi purpose.
Use finger to pan and zoom.
Use ** or ^ for exponentiation
You can use Trigonometric functions:
and other function as:
ln,log,log2: natural logarithm, base 10 and base 2
abs: absolute value
sqrt: square root
also some constant is already defined:
e: Euler's number
Added the possibility to evaluate function substituting to it the 'x' value inputed by touch screen.