noun
round-up function; rounding
Computing term for a function that rounds a number up to the nearest integer or specified precision. Often contrasted with 切捨て機能 (round-down function).
この計算ソフトには切上げ機能が付いています。
This calculation software has a round-up function.
切上げ機能を使って、小数点以下を切り上げて整数にしてください。
Use the round-up function to round up the decimal part to an integer.
Compound of 切上げ (きりあげ, 'rounding up') and 機能 (きのう, 'function'). The term is a straightforward technical coinage.