Floating point arithmetic: where 0.1 + 0.2 = 0.30000000000000004 but 0.2 + 0.3 = 0.5 exactly. It's like your computer is secretly trolling you with binary representation limitations while pretending to understand decimal math.
The mental breakdown with math equations plastered everywhere is the perfect visualization of a developer's soul after spending 3 hours debugging what should be simple arithmetic. Fixed point looking real attractive right now...