Mr Merry's Calculations
Loads of practice calculations to increase your expertise.


Choose the topic you'd like to practice:

Newton's 2nd law of motion: F = ma
Electric circuits: V = IR
Current and charge: Q = It
Charge, potential difference and energy: V = E/Q
Wave speed, frequency and wavelength: v = fλ
Units vs Quantities
Quantities vs Units
Symbols RAG
Quantities vs Units RAG
Required Practicals: Triple (Physics, Chemistry and Biology) and other useful videos
Required Practicals:Combined (Physics, Chemistry and Biology) and other useful videos