Josh Grant 148bee1991 Support `_xlfn.` prefix and add `ISFORMULA`, `MODE.SNGL`, `STDEV.S`, `STDEV.P` ... This change adds support for newer functions that are prefixed by _xlfn. (#356). The calculation engine has been updated to recognise these as functions, and drop the _xlfn. part. It also add a couple of the new functions such as STDEV.S/P, MODE.SNGL, ISFORMULA. Fixes #356 Closes #390		2018-02-26 09:35:53 +01:00
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DateTime	Fix unit tests for 2018	2018-01-02 00:39:38 +09:00
Engineering	Use proper syntax for variadic functions	2017-01-23 15:01:20 +09:00
Financial	Use proper syntax for variadic functions	2017-01-23 15:01:20 +09:00
Functions	Support `_xlfn.` prefix and add `ISFORMULA`, `MODE.SNGL`, `STDEV.S`, `STDEV.P`	2018-02-26 09:35:53 +01:00
Logical	Use proper syntax for variadic functions	2017-01-23 15:01:20 +09:00
LookupRef	COLUMNS and ROWS functions crashed in some cases	2018-01-13 18:01:50 +09:00
MathTrig	style fixes	2017-11-26 23:18:11 +00:00
TextData	Replace mbStrReplace() with str_replace()	2017-03-06 11:33:06 +09:00