A derivation of the combined gas law using only elementary algebra can contain surprises.

All can be determined by using Boolean algebra and a truth table.

A quick demonstration uses modern algebra to make the resolution:

This result can be generalized to higher dimensions using geometric algebra.

The product can also be calculated using geometric algebra.

As though they used algebra while we used geometry.

Whole sentences can be written in "shorthand" form using algebra.

Let us do this problem again, but now we will use algebra to work out the boy's weight.

Newton's laws are able to describe "mechanics" using simple algebra.

Physics, engineering and computer programming are areas that use algebra all the time.