Salesforce Formula Parser implemented in ES2017. Live demo at
created at Feb. 23, 2016, 7:22 p.m.
Excel Parser written in Elixir (currently only Excel 2000)
created at Aug. 29, 2015, 1:04 a.m.
Ensure backwards compatibility even if newer functions are used
created at June 1, 2017, 6:53 p.m.