Namespace OfficeOpenXml.FormulaParsing.Excel.Functions.Math Classes Abs Acos Acosh Asin Asinh Atan Atan2 Atanh Average AverageA AverageIf AverageIfs Ceiling Cos Cosh Count CountA CountBlank CountIf CountIfs Degrees Exp Fact Floor Large Ln Log Log10 MathHelper Max Maxa Median Min Mina Mod MultipleRangeCriteriasFunction Pi Power Product Quotient Rand RandBetween Rank Round Rounddown Roundup Sign Sin Sinh Small Sqrt SqrtPi Stdev StdevP Subtotal Sum SumIf SumIfs SumProduct Sumsq Tan Tanh Trunc Var VarP