Computer program

It returns "20 : int". (Both the results and the datatype are returned.)
After all the facts and relationships are entered, then a question can be asked:
Using BNF, a subset of the English language can have this production rule listing:
This allows for an infinite number of possibilities. Therefore, a semantic is necessary to describe a limitation of the number of digits.
Therefore, a semantic is necessary to describe that leading zeros need to be ignored.
The kernel's main purpose is to manage the limited resources of a computer:
These five gates form the building blocks of binary algebra—the digital logic functions of the computer.