You might think of this category as an FAQ for the site. Be sure to read our Guidelines as well as What is Math & Stat HW Discuss and How do I write a good post!

## Precalculus

The Pre-Calculus category is for questions about mathematics prior to calculus. This includes the basics of algebra, trigonometry, functions, and graphs.

## Differential Calculus

About: The Differential Calculus category includes questions about limits, derivatives, continuity, and their applications.

## Integral Calculus

The Integral Calculus category includes questions about integrals, infinite sums, and their applications.

## Multivariable Calculus

The Multivariable Calculus category includes questions about multivariable functions, partial derivatives, and multiple integrals.

## Statistics

Statistics topics include questions about data, probability, distributions, and inference.

## Differential Equations

The Differential Equations category includes ordinary and partial differential equations and their applications. Solutions might be symbolic or numeric.

## Foundations

The Foundations Category concerns writing, logic, and all theoretical aspects of mathematics.

## Linear Algebra

The Linear Algebra category includes questions about matrices, vector spaces, linear mappings, and eigenvalues.

## Complex Variables

The Complex Variables category includes questions about the algebra and geometry of the complex number system.

## Abstract Algebra

The Abstract Algebra category includes questions about groups, rings, and fields.

## Real Analysis

The Real Analysis category includes theoretical questions about the foundations of calculus and the real number system.

## Contests

The Contests category is for students who are interested in challenging mathematical problems - like the ones found on the Putnam Exam or the VA Tech Regional Competition.

## Computers and Code

The Computers and Code category is for questions about computational tools that we use in mathematics and statistics. These tools include LaTeX, Matlab, Mathematica, Wolfram|Alpha, Sage, Python, R, and Desmos.