CalCon Scientific Calculator can perform many operations, starting with the four basic ones, addition, subtraction, multiplication, and division, and more advanced ones like square roots, squares and other exponentiations, logarithms, factorials, and basic percentages.
As well as that, you can easily calculate the sinus (sin), cosine (cos), tangent (tan) and asin, acos, atan with both degrees and radians.
It supports 12 decimals and the number of digits that can fit on the screen is over 200.