c - Program that finds y, derivative, and integral vals of a polynomial (UPDATED) - Stack Overflow
GitHub - sivampatel/Derivative-Calculator: C++ Derivative Calc
10 Best Free Derivative Calculator Software For Windows
Symbolic Derivative Solver - TI84CalcWiz
Derivative Calculator: Wolfram|Alpha
c - Calculate Derivative, given data file - Stack Overflow
GitHub - vsouda/Derivative-Calculator-in-Java: A simple derivative calculator in Java; includes a few options: chain rule, product rule, power rule, and log rule.