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VARIANT is yet another data type that you can use in your functions / function blocks. Usually it comes in handy when defining the...

We all know that values are assigned to variables using the assign (:=) operator. But do you know that the assign operator may be used...

How do we check if the position of a 3D point is above or below a given 3D plane? This is a classic math problem and it has a well known...

A noise generator by definition produces a random signal. In the software world this usually means generating pseudo-random numbers. One...

Expressions are language entities just like statements. The main difference is that expressions should be evaluated in order to calculate...