About this site

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!


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 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.


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.

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.

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Discussion about this site, its organization, how it works, and how we can improve it.