A List of Math/Physics/Chem/Engineering Concepts That Annoy Me

[explodinghobo]

Lagrange Multipliers
Schrodinger's Equation
Fourier/Laplace/Z Transforms
Convolution
Pole-Zero Analysis
Deal-Grove Model
Error Function
Gaussian Beams
Diffraction/Interference
Sign Conventions in Optics

there should be a lot more but i can't think of them right now.