The delightful math YouTube channel Numberphile is asking a surprisingly contentious question: what’s the smallest number we can be pretty sure no one has ever thought of before? Think of your own ...

One of Aaryan Shukla's world records is for mentally adding 100 four-digit numbers in 30.9 seconds. Reading time 2 minutes Remember when your teachers used to say that mental math is important because ...

Who says math can't be fun?! Try these math puzzles for a delightful challenge. Math is not everyone’s favorite, understandably. Hours of math homework and difficult equations can make anyone sour on ...

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 ...