The ASC function converts full-width (double-byte) English letters or katakana within a character string to half-width (single-byte) characters in Double-byte character set (DBCS) languages.
Syntax :
=ASC(text)
Parameters :
Text entry is required. The text you wish to alter, or a pointer to a cell containing the text you want to change. Text is not altered if it does not include any full-width letters.
Examples :
If you copy A1:C5 to a blank worksheet, the example may be simpler to comprehend.
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