Welcome to Parma Cryptography Challenges: Level 3

Where the math is as hard as the humor is dry.

Challenge 1: Factor the Frenzy

Factor the given polynomial: 2x^3 + 5x^2 - x - 1

Challenge 2: Cryptic Cipher

Crypt the phrase "Hello, World!" using a simple substitution cipher.

Challenge 3: Binary Boggle

Convert the decimal number 1234 to binary.

Need help? Visit our Tips and Tricks page.

Or, if you're feeling extra fancy, try our Parma Palooza challenge.