I was plotting some data, (Version 3.6) and I had a lot of trouble getting
otherwise programmatically simple goals accomplished.

I see there are ceil() and floor() directives, though these seem suspect.

There's div(A,B)

There's mod(), the definition of which in the manual seems ... odd.
a remainder ought to be (A/B) - int(A/B)
But the manual says that this is them multiplied by B
Maybe I'm just ignorant abut the definition of "modulus", but then the textual
definition in the manual is misleading.

There's int()

Is there no simple ROUND() function?  To round a number to Q decimal places?


Also, how do I perform an OR comparison?

IF (X = A _OR_ B)?


Thanks again to those more knowledgeable than I.

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