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Integer - Data Type Description
The Integer - it is a number, with data 32-bit.
It has a minimum value of -2,147,483,648 and a maximum value of 2,147,483,647 (inclusive).
For integral values, this Data Type is generally the default choice unless there is a reason (like the above) to choose something else.
This data type will most likely be large enough for the numbers your program will use, but if you need a wider range of values, use Date and Time(Long) instead.
With Integer you can make arithmetic operations (See blocks Calculation and Calculation Expression)