This calculator requires the use of Javascript enabled and capable browsers. This creates and displays the time in true bar code (or barcode, both are generally accepted) representation, in a live accurate, clock. This is a time bar code display as opposed to a code bar time display. Sometimes, time, among many other things, in a bar is ambiguous. The actual digital time in hours, minutes and seconds is displayed below the bar coding in conventional 12 hour AM/PM format, based on your local time on YOUR computer. If you were looking at it in a bar (why would you do that anyway?), you probably wouldn't even notice. (And no... a bar code is not the secret word to get into a bar...)