Understand what the following code does

Hi

I have the following function for keeping angles on my spread sheet between 0 and 360. I would like to understand the maths behind it?

Would anyone be able to explain to me what's going on?

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Thanks

the =INT(x) function will truncate the number x to an integer (by rounding down)
so INT(angle/360) will provide the number of times 360 goes into the angle.
angle-n*360 therefore give the remainder of angle after dividing by 360.

For what it's worth:

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should do the same thing.

Ah I see thanks a million for the explanation