• linear equations
• equation of mass
• equation of volume
• equation of area
• equation of length
• equation of density
• equation of velocity
• equation of addition
• equation of multiplication
• equation of subtraction
• equation of division
• equation of square root
• equation of square
• equation of cube
• equation of cube root
• equation of acceleration
• equation of position
• equation of time
• equation of heat
• equation of space
• equation of shapes
• equation of intensity
• equation of directions
• equation of force
• equation of work
• equation of diffusion
• equation of energy
• equation of inertia
• equation of momentum
• equation of substance
• equation of temperature
• equation of current
• equation of distance
• equation of action
• equation of capacitance
• equation of potential
• equation of dose
• equation of electric charge
• equation of resistance
• equation of frequency
• equation of half life
• equation of jerk
• equation of flux
• equation of concentration
• equation of permeability
• equation of power
• equation of radiance
• equation of stress
• equation of strain
• equation of wavelength
• equation of weight
• equation of ratio
• equation of rate
• equation of probability
• equation of integration
• equation of differentiation
• equation of logarithms
• equation of heart rate
• equation of heart output
• equation of blood pressure
• equation of pulmonary resistance