Is there an icon that means rounding? I'm not talking about notation but specifically an icon, glyph or symbol.
For example, "pi" has the icon $\pi$.
I would also accept an icon that means integer (as opposed to decimal).
I was looking at this character $\sigma$ (SIGMA) or this one ≈: or $\Omega$ (GREEK OMEGA). All of these are in the Mac Character Viewer in Math Symbols. I mention these specifically so that I'm not using a character that means something already.
The goal is to round a number with $2$ decimal points to a whole number. It can use standard rounding properties. The user is given a number and sometimes it has $2$ decimal places. Some people want to round the number. Rounding up or down does not matter the wholeness does.
Related Operating System Character Viewer:
Related question for reference:
Notation for rounding in equation
Bear in mind that any symbol for "round" must incorporate the following options:
a) Are you rounding to "decimal places" or "significant figures"?
b) How many digits, of either "decimal places" or "significant figures"?
c) What sort of rounding: half-up, half-down, or half-to-nearest-even? (There may be other options.)
So whatever symbolism is needed, it must be capable of communicating all these options so that the user understands exactly what is meant. Rounding is a surprisingly non-trivial exercise.