ACCESS-UGS 1430
Math Portion
Summer 2006


College of Science
Math Department
ACCESS math home page


Send e-mail to :
Nick Korevaar
Meagan McNulty
Erin Chamberlain
Rosemary Gray
Irene Hacke

Tuesday, June 13, 2006

You can solve any monoalphabetic substitution cipher by hand of course, but technology can help too. And since part of the point of our current work is to make sure we're comfortable using technology at the U, we have a good excuse to play with it now. While you're waiting, try the code at
Caesar shift code. (If it's working today.)

Stage 1

First, let's do an example together. Download and open the Maple file,

substitution.mws.

It will help to also open a new internet window with the letter frequency table.

Let's also cut and paste the CIPHER text into a Word document, make a duplicate copy of the file (so we can make mistakes) and use the Find & Replace feature of Word to convert to plain text. Remember to tell Word to match the case of the letters it is replacing.

Emina Alibegovic, a recent Utah Math Ph.D., assisted during this week of ACCESS several years ago, and found an essay you might find interesting. It's been chopped into eight parts and encrypted using who knows what substitution cipher. According to your group number, download the section of the essay into Word and start deciphering! Your group should recreate the plain text, and as well, create the encryption key. Print out a hard copy of your work. If you have time, notice the encryption key uses a keyword.....use the internet to figure out find out something about the person whose name this keyword is.

group1.doc

group2.doc

group3.doc

group4.doc

group5.doc

group6.doc

group7.doc

group8.doc

Stage 3

After all your hard work, let's read our results out loud to the class to hear the whole story.



If this story is indeed interesting to you and you would like to find out more on women in Mathematics, please visit the Women in Math Project, maintained by Professor Marie Vitulli of the University of Oregon. This is the most comprehensive site on the subject. (Thanks to Emily Putnam, who helped ACCESS two years ago, for this link.)