The Importance of a Simple Equation in Photography

i've followed probably the same path that anybody else would at some point. i think you know you can make it from a simple joke to uh this guy's got way too much time and it says i guess that's me right so when you come up with a regular obstacle that any one of us would have, i will go read like physics books on how optics work. The f stop is an actual small little equation and everything there is representative  the f that fancy little violin f is is a it replaces an actualYeah it's a letter and equation right exactly? There's a few different ways you can arrange in different orders depending on what you're trying to solve but it's gonna