https://support.apple.com/en-mo/guide/iphone/iphb9c2b948f/ios
Enter formulas and equations in Notes on iPhone - Apple Support (MO)
In Notes on your iPhone, draw diagrams, solve equations, assign variables, and plot graphs. Mathematical expressions are solved inline when you write or type...
formulas and equationsiphone appleenter
https://physicsauthority.com/physics-formulas-and-equations/
Essential Physics Formulas and Equations Reference
Physics formulas are not abstract decorations in textbooks — they are compressed descriptions of how the universe actually behaves, each one a precise...
formulas and equationsessentialphysicsreference