Alphanumeric characters include both upper and lower case letters (A to Z, a to z) and numerals (0 to 9). Beyond these, special characters — such as punctuation marks and symbols — add further depth ...

On paper, chording — that’s pressing multiple keys to create either a single character or a whole word — looks like one of the best possible input methods. Maybe not the best for speed, at least for a ...

It’s easy to take display technology for granted nowadays, but the ability to display data in a human-readable way was not always easy. This is demonstrated well by the Pinlite 30003 Alphanumeric ...