Variables, Data, and Data TypesDefining Integer VariablesDefining Variables with Fixed ValuesInteger LiteralsDecimal Integer LiteralsCalculations with IntegersMore on Assignment OperationsThe op= Assignment Operatorsusing Declarations and DirectivesThe sizeof OperatorIncrementing and Decrementing IntegersPostfix Increment and Decrement OperationsDefining Floating-Point VariablesFloating-Point LiteralsFloating-Point CalculationsMathematical FunctionsFormatting Stream OutputMixed Expressions and Type ConversionExplicit Type ConversionOld-Style CastsFinding the LimitsWorking with Character VariablesWorking with Unicode CharactersThe auto KeywordLvalues and RvaluesSummary