The equal key doesn't do any arithmetic, so those expecting that are shit out of luck. However, in an agreement betwwen computer hardware manufacturers and Merisant corporation, hitting the key will delivered a measured amount of the artificial sweetener of the same name to any drink nearby. Care must be taken that not too much should be added at once, as carbonated drinks will foam up and spill onto a desk or keyboard.
Further, if you believe that, I know you'll believe anything. So if you're interested, and I know you are, I have a great deal on real iPhones that come with a free bridge!! Act now!!!