Well, there are comparison of numbers, and differents maths expressions
https://www.scirra.com/manual/126/system-expressions
I guess you could do something with this, however, If you need precise results, keep in mind that computers can make rounding errors easily in some cases, not that I think it would be a big problem, but maybe it will (like for exemple a calcul should return 30, but will in fact return 29.99999999)