An old joke holds that anyone with two mobile phones is either dealing drugs or having an affair – but in fact, there are plenty of legitimate reasons why you’d want to maintain two separate numbers.

How to specify single- and double-digit values using the Replace feature in Word Your email has been sent Any time a Microsoft Word’s Find & Replace task goes beyond literal values, you might need ...

A couple of weeks ago I met with T-Mobile executives and the Digits product team to discuss the details of T-Mobile Digits. They hooked me with some sample numbers and devices that I have now extended ...

The Babylonians used separate combinations of two symbols to represent every single number from 1 to 59. That sounds pretty confusing, doesn’t it? Our decimal system seems simple by comparison, with ...

David Harvey receives funding from the Australian Research Council. Around 1956, the famous Soviet mathematician Andrey Kolmogorov conjectured that this is the best possible way to multiply two ...

Four thousand years ago, the Babylonians invented multiplication. Last month, mathematicians perfected it. On March 18, two researchers described the fastest method ever discovered for multiplying two ...