As for the way this works, it does pretty much what it says on the tin: adding the two floating point inputs as integer values, followed by adjusting the exponent. This adjustment factor is what ...

This repository provides Python modules to convert input given as signed decimal numbers (integers and floating points, both are supported) into standard notations i.e. 8 bit 2's complement ...

An unfortunate reality of trying to represent continuous real numbers in a fixed space (e.g. with a limited number of bits) is that this comes with an inevitable loss of both precision and accuracy.