Fourier Transform 1.1

Calculate
- Discrete Fourier Transform
- Inverse Discrete Fourier Transform
- Fast Fourier Transform
- Inverse Fast Fourier Transform

Features
- Supports complex numbers (imaginary numbers)
- required formulas displayed
- Beautiful user interface

DFT and IDFT are free to use, however you need to purchase the upgrade in order to access FFT & IFFT.