That he had to calculate by years upon his fingers.

The problem is to calculate the amount of gold by mass.

But I ought to be ready to start calculating by tomorrow night.

In the past, elections workers have done all the counting and calculating by hand.

They are listed here with hold totals as calculated by Baseball-reference.com.

"I can't calculate the precise order of magnitude without more study, but certainly by a significant amount."

"And if we can't calculate the price by 5:30, it doesn't get into the press."

We can calculate division by multiplication in such a case.

Individual payments will be based on the level of exposure as calculated by blood tests and other measures.

Believe me, I've had it calculated by computer research.