The FunctionSlopeTutor(f) command launches a tutor interface that estimates the slope of the curve f at the point 0, by displaying a sequence of secant lines.

If f is not specified, FunctionSlopeTutor uses a default function.

The FunctionSlopeTutor(f, pt) command launches a tutor interface that estimates the slope of the curve f at the point pt, by displaying a sequence of secant lines.

If an expression in one variable is specified, the tutor replaces the variable name with x.