Bad things I made (may be broken):

https://www.desmos.com/calculator/l0z9hu7hae

https://www.desmos.com/calculator/ryk2goxnoc

https://www.desmos.com/calculator/cfhpkqthzj

https://www.desmos.com/calculator/rb1r4kyret

https://www.desmos.com/calculator/izzstyqy5s

Cooler things I made:

https://www.desmos.com/calculator/wjidg6uexn

https://www.desmos.com/calculator/orpids66of

https://www.desmos.com/calculator/7zmmsoapwz

https://www.desmos.com/calculator/crqghrqk5s

https://www.desmos.com/calculator/txpxg1ajst

https://www.desmos.com/calculator/njaelwstbz

https://www.desmos.com/calculator/jubh5v5s8w

https://www.desmos.com/calculator/r6s4bkwgbv