User Guide

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Advanced

Coding Card

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COMPARISON OPERATORS

Are used to compare two values to each other and can also be used to control the flow

of a program based on the value of a number or variable. The 'equal to' comparator is

also referred to in coding as two equal signs back-to-back ‘==’. It is not setting two

things equal but is returning 'true' if two things are equal. You will often want to

compare two things and do something if they are equal, like checking if the current

time is equal to the alarm you have set.

The not-equal-to operator ( != ) returns true if the operands don't have the same value;

otherwise, it returns false.

The less-than and greater-than comparators return 'true' when the comparison is true

and false when the condition is not-true.

The less-than and greater-than comparators return 'true' when the comparison is true

and false when the condition is not-true.