F

fixed-point

High-Precision Decimal Arithmetic Library in C | C11 | 2025 September — Custom 128-bit decimal library for financial calculations—exact arithmetic, bank rounding, and full test coverage to eliminate floating-point errors.

Fixed point Trigonometric math lookup table generator for embedded systems

fl256: A Go library, built on "math/big.Float", for precision crypto-currency ledger calculations, using a 42:214 fixed-precision representation.