# Applied Mathematics Vs. Pure Mathematics

Image: Spikedmath “If you want to see practical applied mathematics, read chemical engineering; if you want to see theoretical applied mathematics, read electrical engineering, and if you want to read pure math, read economics.” — Richard I. Pelletier

# Pun Of The Weak: Here’s Looking At Euclid

Higgledy-piggledy Euclid Geometer Pained by the asking of “What is the use Studying the doctrines so Axiomatical?” Answered acutely, “Oh, Don’t be obtuse!” — Anthony Harrington

# Grandpa’s Magic Square Puzzle

When I was a boy, my grandfather used to give me puzzles for me to solve. The following puzzle is one of them. A magic square is an arrangement of numbers from 1 to n² in an n² matrix in which each number should only occur once. Every row, column, and diagonal of a magic […]

# Learn A Basic Number Theorem Through Playing Cards

The following is a simple activity for learning a simple number theory concept. This is based on the procedure described by Martin Gardner in Time Travel and Other Mathematical Bewilderments (1988). All you need for this is a pack of cards. First, remove all the cards of one suit (e.g. all the spades). Afterwards, arrange the […]

# Zero Sum And Difference Game

Consider this group of squares: 1237892 + 5619452 + 6428642 – 2428682 – 7619432 – 3237872 = 0 When looking at the calculation above, it seems that it’s not a big deal. Although the six large squares yield zero after the calculation, it is not really that peculiar. But, try to remove the hundred thousands place or the left-most digit of […]

# The Curious Collatz Conjecture

Select any whole number greater than zero then perform the following operation: If the number is even, divide it by 2. If the number is odd, multiply it by 3 and add 1. It’s said that if you continue to repeatedly apply the process, you’d always end up at 1. This is the premise of […]

# Curious Number Patterns #6: 323323, 19683 & Other Miscellaneous Curiosities

Curious Number 323323 Besides being a palindromic number, 323323 has some other cool properties. For example, it is equal to 7 × 11 × 13 × 17 × 19, which are consecutive primes. It’s also equal to the sum of consecutive numbers from 1 to 9 wherein each of the number is raised by a […]