PayPal If you wish to use PayPal for paying your ACA dues or ACA For Sale items, please refer to the instructions on the membership page.
Free Web App. The ACA’s “Solve a Cipher!” program is now available as a free web app under the Resources tab. To access it, click HERE.
New Expanded Free Sample Issue The free sample issue of The Cryptogram available for download has been expanded with more explanations and many more ciphers to solve. Read about it and download it on the Sample Issue page under About the ACA.
THE RAT has made available for ACA members a program called Conmaker. It is designed for Windows users to easily create and submit cons to the ACA column editors. If interested, go to the Members Area / Downloads and get your copy.