May 15, 2018

May 2018 Puzzle Periodical - Shall We Play a Game? Computer Tic-Tac-Toe

NSA Puzzle Periodical for May 2018: Computer Tic-Tac-Toe

April 17, 2018

April 2018 Puzzle Periodical - 'APRIL = MATH'

April 2018 NSA Puzzle Periodical - 'APRIL = MATH' - Mathematics and Statistics Awareness Month Challenge by Benjamin E.

March 20, 2018

March 2018 Puzzle Periodical - a, b, c - Variable Alphabet Equation

March 2018 NSA Puzzle Periodical - a, b, c - Variable Alphabet Equation by Wendell W.

Feb. 20, 2018

February 2018 Puzzle Periodical - A Plethora of Penguins

February 2018 Puzzle Periodical; Puzzle created by David B., NSA Mathematician

Jan. 16, 2018

January 2018 Puzzle Periodical - Snow Manipulation

January 2018 Puzzle Periodical; Puzzle created by James M., NSA Operations Researcher

Feb. 21, 2017

February 2017 Puzzle Periodical - What is the Connection?

February 2017 Puzzle Periodical; Puzzle created by Wendell W., NSA Cryptanalyst

Jan. 17, 2017

January 2017 Puzzle Periodical

January 2017 Puzzle Periodical; Puzzle created by Tim C., Applied Research Mathematician, NSA

April 21, 2016

April 2016 Puzzle Periodical

April 2016 Puzzle Periodical; Puzzle created by Andy F., Applied Research Mathematician, NSA

Oct. 2, 2015

October 2015 Puzzle Periodical

October 2015 Puzzle Periodical; Puzzle created by Ben E., Applied Research Mathematician, NSA

Sept. 15, 2015

September 2015 Puzzle Periodical

September 2015 Puzzle Periodical; Puzzle created by Tim C., Applied Research Mathematician, NSA