Similar to グラスマン数

Apéry's constant

Apéry's theorem

Abel–Plana formula

Apollonius point

Apollonian gasket

Archimedes's cattle problem

Archimedean property

Twin circles

Algorithm

Artin L-function

Artin–Hasse exponential

Wedderburn–Artin theorem

Karmarkar's algorithm

1 + 1 + 1 + 1 + ⋯

1/2 + 1/4 + 1/8 + 1/16 + ⋯

1/2 − 1/4 + 1/8 − 1/16 + ⋯

1/4 + 1/16 + 1/64 + 1/256 + ⋯

Hundredth

Gelfand–Naimark–Segal construction

Non-uniform rational B-spline

P versus NP problem

QR decomposition

True quantified Boolean formula

WIRIS

Xorshift

Affine arithmetic