# Mathematics

## Latest about Mathematics

### Irrational Partying: Happy Pi Day!

By Stephanie Pappas published

Today, March 14, is the math lover's celebration of everyone's favorite irrational number, pi. Here's what's so special about the neverending irrational number and ways to celebrate.

### Euler’s Identity: 'The Most Beautiful Equation'

By Robert Coolman published

Euler's Identity is a remarkable equation that comprises the five most important mathematical constants.

### What Is Topology?

By Robert Coolman published

Topology is a branch of mathematics that describes mathematical spaces, in particular the properties that stem from a space’s shape.

### Properties of Pascal’s Triangle

By Robert Coolman published

Pascal's triangle, a simple yet complex mathematical construct, hides some surprising properties related to number theory and probability.

### What Is Symmetry?

By Robert Coolman published

In geometry, an object exhibits symmetry if it looks the same after a transformation, such as reflection or rotation. Symmetry is important in art, math, biology and chemistry.

### What Is Trigonometry?

By Robert Coolman published

Trigonometry is a branch of mathematics that studies relationships between the sides and angles of triangles.

### What Are Logarithms?

By Robert Coolman published

A logarithm determines how many times a certain number must be multiplied by itself to reach another number.

### What Is Calculus?

By Robert Coolman published

Calculus is a branch of mathematics that explores variables and how they change by looking at them in infinitely small pieces.

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