# Category:Algebra

From Infogalactic: the planetary knowledge core

**Algebra** (from the Arabic الجبر ("*al-djebr*" meaning *"reunion"*, *"connection"* or *"completion"*)) is a branch of mathematics which may be defined as a generalization and extension of and is focused on finding patterns between groups of numbers, operators, and other mathematical objects. The following category includes articles about algebra. Algebra is also a branch of mathematics that substitutes letters for numbers, replacing the unknown value with a letter.

## Subcategories

This category has the following 10 subcategories, out of 10 total.

### A

### C

### E

### L

### M

### P

### S

### U

### Σ

## Pages in category "Algebra"

The following 74 pages are in this category, out of 74 total.