8 free physics calculators from the ABC Chemistry Calculator Suite. Each one opens directly, with no login.
Computes F, KE, PE and W from whichever pairs you provide (g = 9.80665).
Enter any 3 values, leave the rest blank — the rest are solved.
de Broglie: enter m and v. Photon: enter λ only.
Enter any 2 of V, I and R.
Enter values with sign convention; leave one blank.
Enter any 2. Use the c button for light.