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DEC

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Decrement a variable.

Syntax

DEC variable# {, decr# }
InputDescription
variable#The integer or real number variable to modify.
decr#The value to use for the increment. Optional. 1, if omitted.

Examples

'decrement I
DEC I

'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. 
'underflow test
VAR I%=&h80000000  'minimum int
DEC I%
??I%  'now a real

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