The phrase "a small calculation" is correct and usable in written English.
It can be used when referring to a minor or simple mathematical operation or estimation.
Example: "Before we proceed with the project, let's do a small calculation to determine the budget needed."
Alternatives: "a minor calculation" or "a quick calculation".
These DRGs are reimbursed separately for each hospital as a result of inhomogeneity of care, resulting in high variance in costs or a very small calculation base [6].
I actually did this small calculation and created a graph of the result which is shown below.
The critique concerns the shape of velocity, temperature and concentration profiles which are truncated due to small calculation domain used during the numerical solution procedure.
Beside the simplicity, the proposed techniques have small calculation burden and high accuracy.
The two-step search of MS protection needs small calculation time, and thus the tripping output works with minimum delay.
I also remember this: we are in my grandfather's shop; he is writing numbers in a ledger and occasionally making small calculations on the abacus.
The problem was he meant a great deal to Linda – on such small calculations do whole edifices of lies depend … Things weren't looking much better in the east where Annett is clearly considering calling on Schweppenstette for help, a move that is unlikely to end well for either Thomas or Ingrid.
"In one experiment I particularly liked," he recalled, "we tried to map the whole parietal lobe in a half hour, by having the subject perform functions like moving the eyes and hands, pointing with fingers, grasping an object, engaging in various language tasks, and, of course, making small calculations, like thirteen minus four.
This world of finance fascinated me; I began with the image of leverage, of how man could manipulate such large obstacles, desire even, with small calculations.
