VBScript の関数、Round
MsgBox Round(1.2) ' 1 MsgBox Round(1.5) ' 2 MsgBox Round(-1.2) ' -1 MsgBox Round(-1.5) ' -2 MsgBox Round(1.234, 2) ' 1.23
MsgBox Round(1.2) ' 1 MsgBox Round(1.5) ' 2 MsgBox Round(-1.2) ' -1 MsgBox Round(-1.5) ' -2 MsgBox Round(1.234, 2) ' 1.23