Free (and ad free), customizable, basic scientific calculator.

A free, straight forward and simple to use basic scientific calculator that is both robust and reliable. As well as the basic mathematics operators the scientific functions included are the trigonometric and hyperbolic functions, and their inverses, and logarithms to base 10 and the natural logarithm function. A key to calculate factorials has also been included to facilitate statistics calculations.

The scientific calculator's display can be customized with the screen and background colors being changeable. Each individual button's color can also be changed.

The calculator operates with a precision of up to 15 significant figures, although this can be reduced in the settings menu.

The calculator will store the last 10 calculations, which are re-editable. Simply use the left and right keys at the top of the keypad or scroll the top half of the screen and tap where you wish to place the cursor.

The simple and straight forward design makes this scientific calculator easy to operate but powerful enough to use for a variety of applications.