Similar to 小二重三角十二・二十・十二面体

Basic hypergeometric series

Gaussian binomial coefficient

Q-analog

Q-Pochhammer symbol

R (complexity)

RE (complexity)

Remez algorithm

RP (complexity)

RSA (cryptosystem)

Ryll-Nardzewski fixed-point theorem

SASTRA Ramanujan Prize

Society for Industrial and Applied Mathematics

Sinc function

Singular (software)

SL (complexity)

SLATEC

Small set (combinatorics)

Smn theorem

Successive over-relaxation

Sum-free set

Sumset

SymPy

SYZ conjecture

Séminaire de Géométrie Algébrique du Bois Marie

S (programming language)

Sigma-ring