C Definition
Not Applicable
Pascal Definition
Not Applicable
Description
The Change By block adds to a variable, provided on the left, a numeric expression parameter. The numeric expression can be a constant or any oval shaped numeric expression.
Escapes
The Change By block does not produce any escapes.
This button click event increments a counter:
..and this block decrements:
This block list is along the lines of Zeno's Paradox where there is ongoing progress towards a destination but the destination is never achieved:
...which produces this result:
Related Topics
Set Number