bignumbers topic
mathjs
An extensive math library for JavaScript and Node.js
tiny-bignum-c
Small portable multiple-precision unsigned integer arithmetic in C
break_infinity.js
A replacement for decimal.js for incremental games who want to deal with very large numbers (bigger in magnitude than 1e308, up to as much as 1e(9e15) ) and want to prioritize speed over accuracy.
break_eternity.js
A Javascript numerical library to represent numbers as large as 10^^1e308 and as small as 10^-10^^1e308. Sequel to break_infinity.js, designed for incremental games.
Bracmat
Programming language for symbolic computation with unusual combination of pattern matching features: Tree patterns, associative patterns and expressions embedded in patterns.
BeeNum
BeeNum is an arbitrary-precision arithmetic library.