The phrase "a calculation formula" is correct and usable in written English.
It can be used when referring to a specific formula used to perform calculations in mathematics, science, or engineering.
Example: "To determine the area of a circle, you can use a calculation formula: A = πr², where A is the area and r is the radius."
Alternatives: "a mathematical formula" or "a computation formula."
Secondly, an inequality regarding the variance was proposed together with a calculation formula, which can greatly simplify the calculation process.
Moreover, we present a calculation formula for the least value of (C_{1}) and its two-sided estimate.
Also, a calculation formula for mean interfacial length between vapor phase and liquid phase was deduced and the wall contact angle was discussed.
Then, a calculation formula of the phase clearance reliability is deduced from the stochastic of traffic flow that obeys the normal distribution and negative exponential distribution.
For example, a calculation formula, "x + y" or "x − y," is directly related to story formulas, not to story types and problem sentences.
Correspondingly, a calculation formula in terms of this RUBV is suggested, together with some examples and comparisons with the accurate values of variance.
Based on the results of parametric analysis, a simplified calculation formula was proposed to calculate the ultimate load capacity of circular CFST stub columns with debonding.
A quantitative calculation formula was established by a mathematic model to predict wear losses under different sliding time and applied loads in a definite precision.
Therefore, how to give a precise calculation formula for (1) with (s=4) is a very complicated problem.
In order to research the heat transfer performance of the burning cave, an unsteady heat transfer model has been established, and a theoretical calculation formula has been deduced and verified by experimental data.
In this paper, propose a flow calculation formula for the flow control valve in order to have an LPV system representation.
