Purpose: This integral calculator allows the user to enter a function and immediately see the definite integral within given limts, the antiderivative with some assumed initial condition, and the area under the curve. It includes some expanded capabilities to explore numerical error.

Restrictions on Use: None

General Information:

1. Enter your function with an independant variable of x in the bottom right text area.
2. Use two astericks to represent exponentiation (i.e. x² would be entered x**2).
3. Most mathematical functions are supported (for example. sin(x), cos(x+2.0), exp(-x**2)).
4. The rand function is entered with parentheses and a null argument (rand(0)) and returns a value between 0 and 1.