Linear Convolution/Circular Convolution calculator

Enter first data sequence: (real numbers only)

Enter second data sequence: (real numbers only)

(optional) circular conv length =

FFT calculator

Input: (accept imaginary numbers, e.g. 1+j 0 2+j 0 3 0 4 0)

FFT (click again for IFFT)

Adapted from:
http://www.rapidtables.com/calc/math/convolution-calculator.htm
http://www.uniquelycommon.com/projects/circular_convolution
https://www.easycalculation.com/engineering/mechanical/discrete-fourier-transform.php
http://scistatcalc.blogspot.co.uk/2013/12/fft-calculator.html