# Supported Features - Cosine, Sine, Exponential, Natural Logarithm, Tangent and Cotangent - Derivative of the previous functions (including x^sin(x), raising to a function) - Evaluate a function at a specific value of x - Definite integral (Numerically)

Api

You can create a function using Function::build("xsin(x)"), the argument is a &str. let func = Function::build("xsin(x)"); let derivative = func.derivative(); let y = derivative.evaluate(10.); let integral = func.integral(0., 10.);