noun
automatic constant function
A computing feature that automatically applies a stored constant in calculations, such as in spreadsheets or calculators.
この電卓には自動定数機能が付いているので、同じ計算を繰り返すときに便利だ。
This calculator has an automatic constant function, so it's convenient when repeating the same calculation.
Compound of 自動 (automatic), 定数 (constant), and 機能 (function). A straightforward technical term.