app for learning formulas?

[Michael_J]

Do you know any app for learning formulas?

 

[S2000magician]

Pencil and 3 × 5 cards.

 

[Harrogath]

I wrote so many 3 x 5 cards for CFA 1 exam that 2 walls of my bedroom are completely decorated with them

 

[Topperharley]

If you do enough practice problems you’ll likely find you have inadvertently memorized them all without even tryingl.