Traditionalists would prefer to follow **formulae** that they know work, rather than try new methods.

In the second of these notices he gives the general **formulae** without demonstrations.

Rational **formulae** of a much simpler description than these graphic **formulae** are generally employed.

You will be able to work more efficiently if you just memorize the **formulae** and don't have to keep looking them up.

Before explaining these **formulae** it will be necessary, however, to consider the differences in combining power exhibited by the various elements.

It is important to memorize all the chemical **formulae** for the reaction we are looking at in today's lab.

He calculated the answer to the math problems using the **formulae** provided by the teacher.

The baker did an excellent job of creating **formulae** for making her cakes perfectly moist and delicious.