Until now, schools have relied on a formula of patching on a few requirements.
Current criteria rely more on a cost-versus-benefit formula, in contrast to the grander visions of those earlier years.
Traditionally, photographers who found themselves without a tripod have relied on a basic formula for avoiding camera shake.
Engineers often rely on a different formula, namely that nails should enter the second piece by a distance equaling 12 times the nail's diameter.
The bill relies on a rigid formula based on expense allowances of the Internal Revenue Service.
In the meantime, Conner wants to win by relying on a formula that has worked for him before: expertise on the water.
They had lost touch with their customers by relying on a formula that was at least 25 years old.
"I don't think we can rely only on a mathematical formula," she said.
And most retailers have responded by relying on a simple, battle-tested formula, known inside the industry, only half-jokingly, as "pile it high, watch it fly."
The ranking relied on a weighted formula.