dates.add-days
Shift an ISO date by a whole number of days, forwards or backwards, with exact calendar arithmetic.
addDays in TypeScriptTagged arithmetic
3 capabilities
math.rational
Exact fraction arithmetic, always reduced, for rates and ratios that must not drift.
A group of 8:
calculateRational, rational, addRational, subtractRational, multiplyRational, divideRational, compareRational, rationalToInteger
money.add
Add, subtract and negate monetary amounts, refusing to mix currencies.
addMoney in TypeScript