FXCalc is a free app that can be used for both personal and professional purposes. Its goal is to provide an easy-to-use and reliable tool for performing advanced math calculations. The app is capable of handling complex numbers and mathematical functions such as sine, cosine, tangent, and logarithmic function.

The calculator can be used for simple mathematical calculations such as addition, subtraction, multiplication, and division. It is also capable of handling more complex calculations such as solving equations and calculating parameters of a function. The app can be used for finding the roots of a function and calculating the Fourier transform.

The app is capable of performing a number of calculations in a very fast and efficient way. It is also capable of storing the results of the last calculation in its memory.