How to use relational operators in Pascal?

@dasia 

In Pascal, relational operators are used to compare two values and return a Boolean result (true or false). Here are the relational operators in Pascal and their meanings:

<= | Less than or equal to

To use these operators in Pascal, you need to place them between two values that you want to compare. For example, to compare if variable x is greater than y, you would use the > operator like this:

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if x > y then
  writeln('x is greater than y');

Similarly, to compare if two variables a and b are equal, you would use the = operator like this:

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if a = b then
  writeln('a and b are equal');

Note that the = operator is used for comparison, not assignment. To assign a value to a variable, you would use the := operator, like this:

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x := 10;