Caveat Emptor! Here’s a tip that might save you money or at least some misery. Have you ever noticed that carpet is often priced by[…]
(Some) SPECIAL MATH DATES IN 2024 Here are just a few (see #5) of the mathematically special dates in 2024. Some of passed already, but[…]
Consider this January 24, and look at its date, written with the two-digit year: 1/24/24. Note that the month (1) times the day (24) equals the[…]
Crazy as it sounds, it works! 🙂 Yes, but only if you’ve NOT yet had your birthday in ’21. If so, you need to add[…]
If a number’s proper divisors (the divisors other than the number itself) add up to the number itself, we call the number perfect (partly because this is SO rare!).[…]
A whole number is even if it is divisible by 2. Equivalently (since sometimes there is confusion with 0 and the word ‘divisible’), a whole number[…]
Most of us ‘memorize’ (what we think is) the Pythagorean Theorem. And it seems to be one of the few things we claim to remember[…]
This needs to be said carefully, but pi is technically a ratio. More below, but first: a ratio is a comparison of two quantities, as in ‘the ratio of[…]
Here are just a few of the mathematically special dates in 2016. I hope you’ll have fun celebrating them – I know I will! 1.[…]