3 ms·
Those are “or”=max, “and”=min. They are use sometimes in Mathematics (I have used them) but with the “low angle” and “up angle”. Not too frequently though.
by pfortuny 8y ago
Those are “or”=max, “and”=min. They are use sometimes in Mathematics (I have used them) but with the “low angle” and “up angle”. Not too frequently though.