Transform of nightmares. Computers were not yet invented in 1974 and we were trained to design analog electronics with massive laplace matrixes and sliderules and tables. Now I not remember anything about matrix calculations and know exactly nilch about any bloody transforms.
If you know how to turn a dial on a pid-controller, you are probably already on par with 95% of the engineering work force.
I had a really good teacher on this topic, but without a formulary for time domain -> spectral domain I wouldn't come very far. And they are all pretty hard to memorize.