2.2.11

General

• New percentage rate type: "50% / 3 years = 16.67% / year"
• Support for "sin" as both an airport/timezone (Singapore) and function (sine)
• Automatically round results from trigonometry functions to 15 dp to avoid floating point inaccuracies in certain results

Feature Flags

• New option to make numbers with incorrectly placed thousands separators invalid allowsMisplacedThousandsSeparators on EngineFeatureFlags (the default is true)
• With this option disabled, numbers like "1,3" in US-standard locales (where "," is a thousands separator) will not be recognised as "13"

Permutations & Combinations

• New functions for permutations & combinations:
• "5 choose 3", or "3 combinations of 5"
• "10 permutation 3" or "3 permutations of 10"

Units & Currencies

• Added additional aliases for some units

Dates & times

• Added a "(timespan) until (month)" function, like "days until April".
• Added a "(timespan) left in (month/year) function, like "days left in Feb", "days remaining in 2023"
• "Sept" now works for September (in addition to "Sep")
• Support for lowercase timezone abbreviations (gmt, pdt, etc)

Inflation

• Added additional phrases:
• "value of $500 in 2018" (convert from the present year)
• "value of $500 from 2018" (convert to the present year)