noun
formula; equation; calculation expression
Refers to a mathematical expression or formula used for calculation. Often used in contexts like spreadsheets, programming, or math problems.
この計算式を解いてください。
Please solve this equation.
エクセルで計算式を入力する。
Enter a formula in Excel.
方程式 means 'equation' in the sense of an equality with unknowns, whereas 計算式 can be any computational expression.
Compound of 計算 (calculation) and 式 (formula, expression).