ASC
TextConvert full-width (double-byte) letters to half-width.
Syntax
ASC(text)
Full notes for ASC are still being written. Use the AI explainer below for the arguments, a worked example and common mistakes.
More Text functions
Syntax follows Microsoft’s documentation. Examples are written to be pasted into a cell and checked. Argument separators may be ; in your locale. The AI explainer runs on a free community model — verify anything important.