**Chapter
13. **** Calculus** (.NET, C#, CSharp, VB, Visual Basic, F#)

**NMath** provides classes
for encapsulating functions of one variable, . Once constructed, function
objects enable you to:

● evaluate
a function at a given *x*-value or vector
of *x*-values;

● integrate a function over a given interval;

● compute
the derivative of a function at a given *x*-value;

● manipulate functions algebraically.

This chapter describes how to create and manipulate function objects.