Friday, December 18, 2020

Previous Frog Blog post...

Many years ago I sent you a picture of my niece and you put it on the blog. 

I captioned it “this is my niece’s reaction after showing her Frog Applause”:

--T.M.
#FB00193

Palindromic zip codes

There are 900 possible 5-digit palindromic zip codes in the United States, as the first digit (1-9), second digit (0-9), and middle digit (...