# Math Formulas

A collection of math formulas for lookup and reference. Each formula contains a series of steps to produce a desired result.

### Algebra

 Quadratic Formula Slope

### Geometry

 Area of Circle Area of Parallelogram Area of Rectangle Area of Trapezoid Area of Triangle Circumference of Circle Distance Between Two Points 1D Distance Between Two Points 2D Midpoint Formula Volume of Cone Volume of Cube Volume of Cylinder Volume of Rectangular Prism Volume of Sphere

### Linear algebra

 Determinant of Three by Three Matrix Determinant of Two by Two Matrix

### Probability

 Arithmetic Mean Conditional Probability Expected Value of Continuous Distribution Expected Value of Discrete Distribution N Choose R Combination N Choose R Permutation Permutation