This tool will allow you to input basic functions and estimate derivatives at a certain x.

Enclose numbers in parentheseses to maximize efficiency.

For squareroot, use the sq() function. Example: root of 2 is sq(2).

For powers, use ^. Example: 3 squared = (3)^(2).

Trig functions are in radians and inverses are: asin, acos, atan.