Hot Number: Flip Pcalc on int side to see more functions. Tap the 2ed button to se the app’s trig and log functions. Tap 42 to insert constants, tap Tape to view your history or tap AB to do unit conversions. You can even change the calculator’s look and sound with custom skins.

Death and Taxes: Many things and constant in life, especially in science and math, PCalc offers an easy way to insert common constants into your calculations, all of them organized into logical categories. Tap the constant to add its value to the calculator’s digital display.