Added INT, TRUNC, EXP, LN, LOG, LOG10, SIN, COS, TAN, PI, SUMSQ, SIGN, ISEVEN, and ISODD. Fixed a function name ending in digits, such as LOG10(), being read as a cell reference.
Added math functions to Spreadsheets
Added INT, TRUNC, EXP, LN, LOG, LOG10, SIN, COS, TAN, PI, SUMSQ, SIGN, ISEVEN, and ISODD to Spreadsheet formulas.