The on-line computational and graphics website for Physics covering:
Statics, Dynamics, Heat, Light, Sound, Electricity, Nuclear, and related disciplines.

AVAILABLE CALCULATIONS (all free!) - New ones are added periodically
Mechanics	Vector addition
	Newton's laws of motion
	Equilibrium of rigid body under coplanar forces
	Simple machines
Heat	Thermal expansion
	Kinetic theory
Sound	Speed of sound in gases
	Doppler Effect
Electricity	Alternating current
	Electric fields
Light	Reflection & Spherical Mirrors
	Lensmaker's Equation
Nuclear	Hydrogen atom energy levels
	Nuclear Fission
Measurement Units	Units Conversion Calculators
	Units Conversion factors
Miscellaneous	Chemistry Calculators
	Mechanical Engineering Calculators
	Other Calculators