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.