monie-utils
A comprehensive TypeScript library for money-related utilities including currency formatting, conversion, validation, and financial calculations
financial-calcs
Reusable financial calculation library for FERS, Social Security, retirement savings, and mortgage amortization
astronomy-bundle
Bundle for astronomical calculations such as position of moon, sun and planets, sunrise, sunset or solar eclipses. Most of the calculations are based on Jean Meeus 'Astronomical Algorithms' book and the VSOP87 theory.