DEC

Decrement a variable. * Syntax ```sbsyntax DEC variable# {, decr# } ``` |* Input | Description | | `variable#` | The integer or real number variable to modify. | | `decr#` | The value to use for the increment.\ Optional. 1, if omitted. | * Examples ```sb4 'decrement I DEC I ``` ```sb4 'decrement A by 3.1 DEC A,3.1 ``` * Notes ** Integer Overflow/Underflow If `DEC` will cause an integer value to overflow or underflow, the value is first converted to a real number. ```sb4 'underflow test VAR I%=&h80000000 'minimum int DEC I% ??I% 'now a real ```