Mathematics

Articles about numbers, structures, logic and mathematical concepts.

Articles in this category: 1129 Updated: April 29, 2026 Page 1 / 24

1,000,000,000

1,000,000,000 (one billion)

10 (number)

Ten (number)

100 (number)

100 (number) — meaning, properties, and common uses

1000 (number)

10000 (number)

10,000 (number)

100s

The 100s (years 100–109 CE)

1012

1019

1019 (number and year)

102 (number)

1039

1039 (number)

1040

Form 1040 (U.S. Individual Income Tax Return)

1042

1042 — integer, properties and the year 1042

1050

1050: the integer, its properties, and historical uses

1070

1070 (number, year, and identifier)

1073

1073 (number and year)

108 (number)

1080

1080 (number, year, and modern usages)

1087

1099

Form 1099 (U.S.) — Informational tax returns for non-wage income

1101

1101: the number, its representations, and the year 1101

1103

1103 — the integer and the year

1106

1106 (number and year)

A Mathematician's Apology

A1

A1 — Uses, meanings and notable examples

Abacus

Abacus: history, design, and uses of the manual calculating frame

ABC

ABC — the first three letters of the Latin alphabet

Abelian group

Absolute truth

Absolute truth (philosophical concept)

Absolute value

Absolute value (modulus) of a number

Abstract algebra

Abstract algebra: structures, concepts, history and applications

Abstraction

Abstraction: definition, types, history, and practical uses

Abundant number

Ace (card)

Ace (playing card)

Actuary

Acute angle

Adam Ries

Adam Ries (Adam Riese) — German arithmetician and author

Addition

Addition (mathematics)

Adjacent

Adjacent: meaning and uses in geometry, trigonometry, and everyday contexts

Alan Baker (mathematician)

Alan Baker (mathematician): transcendental number theory and Diophantine methods

Aleph null

Aleph null (ℵ0): the smallest infinite cardinal

Aleph one

Aleph one (ℵ1): the first uncountable cardinal

Algebra

Algebra: concepts, notation, history, branches and applications

Algebraic equation

Algebraic geometry

Algebraic Geometry: concepts, history, and applications

Algebraic solution

Solvability by Radicals: When Polynomial Equations Have Algebraic Solutions

Algebraic structure

Algebraic topology

Algebraic topology: methods for studying shape with algebra

Algebraic variety