Sentence examples similar to a rough calculation is necessary. from inspiring English sources

A rough calculation is made of the age, height and weight of the victim, whose badly charred body is examined (but not shown).

For this one, a rough calculation is measured as the difference between two consecutive accesses registered in the web logs.

If the hypothesis is correct, only a quick calculation is necessary to locate prime numbers.

Therefore, no power calculation is necessary.

Calculation was necessary to verify that heat indeed elicited an increase in thresholds.

But some rough calculations are possible.

We had a rough calculation it was going to cost us millions of dollars".

They acknowledge that this is a rough calculation but they believe that it could be significant.

We note that this is a rough calculation based on aggregate cost estimates reported by the agencies, and it does not consider changes in market shares within classes.

That at least is based on something more than a rough calculation, though of course it is in the interest of this group to sound the alarm.

Enterprise value is a rough calculation of what it would cost an acquirer to purchase a company.