Solutions to the problems in the Modular Arithmetic handout from last session have been published here. For a list of all past handouts, please visit our archives.

We’ve also revised the Modular Arithmetic handout. We’ve changed several of the problems to better fit the content of the handout. The revised handout is available here.

If you find an error in any of the handouts or solutions, or if you have any questions, please let us know at

We’re looking forward to seeing everyone again this Sunday!


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