ExCalculator в Android Market

ExCalculator (v. 1.1.2) Разработано Masahiko Koga

"ExCalculator" is a calculator calculating an expression.
The expression names it and can save it.
The function can be able use too an expression.
eg: (10+30)*sin(40+5)
The function possesses a trigonometric function and a logarithm.
In addition, Can also use variables for an expression.
eg:
a=20
b=log10(a)
20*b