The exact-math is a set of methods for addition, subtraction, multiplication, division, rounding, ceiling, flooring and powering calculations. It can be used with big number as it handles the floating point problem.

Public remote MCP client for Smart-Thinking: exact math, verified reasoning, search and evidence. No token required; the engine runs on the hosted server.

Deterministic calculation toolkit for AI agents, especially local/open-weight models (Llama, Qwen, Mistral, etc.) that reliably fail at exact math, dates, and combinatorics: exact arithmetic, date math, unit conversion, statistics, subnet math, and more.

Minimal rational arithmetic library for exact geometric predicates in pure JavaScript

ES Math-related intrinsics and helpers, robustly cached.

Test if a double-precision floating-point numeric value is NaN.

C APIs for registering a Node-API module exporting an interface for invoking a binary numerical function.

Wrapper for exact-math purposed for use with Solidity!

Gamma function.

Exponential function.

C APIs for registering a Node-API module exporting an interface for invoking a unary numerical function.

Test if a double-precision floating-point numeric value is infinite.

Multiply a double-precision floating-point number by an integer power of two.

Compute the absolute value of a double-precision floating-point number.

Return a double-precision floating-point number with the magnitude of x and the sign of y.

Natural exponential function.

Compute the principal square root of a double-precision floating-point number.

Complementary error function.

Evaluate a polynomial using double-precision floating-point arithmetic.

mdast extension to parse and serialize math