The Three Classes of Number FunctionsNotationSingle-Value FunctionsAddition (+), Subtraction (–), Multiplication (*), and Division (/)NULLNVL: NULL-Value SubstitutionABS: Absolute ValueCEILFLOORMODPOWERSQRT: Square RootEXP, LN, and LOGROUND and TRUNCSIGNSIN, SINH, COS, COSH, TAN, TANH, ACOS, ATAN, ATAN2, and ASINAggregate FunctionsNulls in Group-Value FunctionsExamples of Single- and Group-Value FunctionsDISTINCT in Group FunctionsList FunctionsFinding Rows with MAX or MINPrecedence and ParenthesesReview