Larry N. Campbell

BONUS PUZZLER(s) for DECEMBER Here are a couple of arithmetic puzzlers to tide us over until January.  Solve EITHER or BOTH and send along your solutions.        

Mailing/Schedule Updates Merry Christmas? Christmas Sale? Krazy Pic 1 Krazy Pic 2 Cartoon of the Week Christmas Sale? Amazing Location of the Week Pesky Puzzler Previous Pesky Puzzler VI Quote for the Week We don’t have to heal the earth; she can heal herself.  All we have to do is stop making her sick. Black […]

Here’s a two part Puzzler that should be fun.  The answers are related and when you find out how, you’ll have a big clue. (There may be alternate acceptable answers to each part). SOLUTION(S): A)  What is mathematically special about the Zip Code for Savannah, Georgia?  I first saw this fact from another direction, so I […]

  What Error is in This Picture?  (You may ignore the 0:10 ‘timer’ embedded in the shot.)

Here’s a two part Puzzler that should be fun.  The answers are related and when you find out how, you’ll have a big clue. (There may be alternate acceptable answers to each part). A)  What is mathematically special about the Zip Code for Savannah, Georgia? B)  What would be mathematically special about the St. Louis […]

How many squares (of any size) can you find in the figure above?  (Don’t forget to count . . .) SOLUTION:  There are 40 squares, notably . . . 18 squares of side length 1 * 9 squares of side length 2 4 squares of side length 3 1 square of side length 4 8 […]

A Magic Square in 1514 Quick Background: A magic square is a square array (of any size) of consecutive counting numbers where all the rows, columns, and diagonals add to the same number.  A simple 3 x 3 example is shown to the right.   Back in Time: With that in mind, look at the 4 x […]

Look at the square below containing the digits from 1 – 9.  What unique feature does the square possess?  (Suspect there could be more than one answer?) 1 2 3 8 9 4 7 6 5 SOLUTION:  All solvers noted that the increasing digits from 1 to 9 form a spiral around the outside, ending […]

BACKGROUND Every year since 2014 we’ve sent out birthday cards and I normally pick a new design each summer for the whole next year.  But this year, we’re going to gather up all our leftovers from previous years and use them.  A different card at random for each active* subscriber whose birthday we know (and […]

Here are some results (so far) of the Birthday-in-Pi adventures: One result at 6002 (mine!?! :-)) One result at 8657 Three results in the 12,000s. One result in 15,000s. One result in 30,000s. One result in 40,000s. And three folks whose birthdays were not in the first million digits.  🙁 I swore we also got […]