Perfect number, a positive integer that is equal to the sum of its proper divisors.
The number of runs a team gives up is equal to the sum of the runs that each pitcher allows.
The designer must choose dimensions such that the displacement of the vessel is equal to the sum of the deadweight and the lightweight tonnages.
When two bodies collide, the sum of the momenta of the bodies before impact is equal to the sum of the momenta after impact.
Fourier analysis is useful because most communication circuits are linear, which essentially means that the whole is equal to the sum of the parts.
Goldbach conjecture, in number theory, assertion (here stated in modern terms) that every even counting number greater than 2 is equal to the sum of two prime numbers.
If all positions are not normally covered, then the adverse effect will be equal to the sum of the amount of extra covering and the amount of uncovering.
Theory suggests that an equity's value should be equal to the sum of the future cashflows, discounted by the appropriate rate (ie, the discounted cashflow or DCF approach).
Or, if particles are joined together, the mass of the composite is equal to the sum of the masses of the constituent particles.
The word-length is equal to the sum of and.
is equal to the sum of all s over locations.
