Used in telegraphy in the late 1800s, and also known as "reflected binary code," Gray code was patented by Bell Labs researcher Frank Gray in 1947. ... THIS DEFINITION IS FOR PERSONAL USE ONLY.

The character code built into the computer determines how each letter, digit or special character ($, %, #, etc.) is represented in binary code. Fortunately, there are only two methods in wide use ...

A binary option is a derivative contract that allows traders to bet on the outcome of a simple "yes-or-no" proposition, with a fixed payout if the bet pays off.