The phrase "a precise calculation of" is correct and usable in written English.
You can use it when referring to an exact or accurate computation of a specific quantity or value.
Example: "The engineer provided a precise calculation of the load-bearing capacity of the bridge."
Alternatives: "an exact measurement of" or "a detailed assessment of".
Missing reports preclude a precise calculation of Confederates losses, but 18,000 seems a reasonable estimate.
A precise calculation of Mr. Bloomberg's wealth is nearly impossible: his billions stem from a majority stake in his media and information firm, Bloomberg L.P., which remains a private concern and can be stingy about revealing its finances.
This leads to a precise calculation of frequencies in a minimum time of calculation.
Design of such hybrid ac/dc networks requires a precise calculation of the magnetic field around and under them.
Connect this with the information already collected through Google Maps and Google Earth, and this would, for example, be the basis for a precise calculation of accumulated high risk in densely populated areas.
Furthermore the array structure of anodes favours the exploiting of new methods of charge analysis for a precise calculation of gamma ray interaction position.
In addition, a precise calculation on the rheological property of the slip layer could be achieved by assuming the thickness of the slip layer.
In Additional file1, a more precise calculation of the inner layer number is reported, considering an Archimedean spiral-type structure.
I have calculated the differential at €50m, a precise calculation, €50m is the budget of Montpellier, this is not a negligible advantage.
Using the result, the Washington scientists also announced a more precise calculation of the Earth's mass: about 6 sextillion metric tons.
Those amino acids were selected for a more precise calculation of the amount of immobilized protein.
