# Blog articles/Exercises

### From HaskellWiki

## 1 Programming exercises in Haskell

- Diff in Haskell
- Introductory Haskell: Solving the Sorting-It-Out Kata
- The "perfect shuffles" puzzle (solved in Haskell)
- A Simple RPN Calculator in Haskell
- Eratosthenes sieve
- Software Cipher
- Secret Santas in Haskell:
- Dot matrix printer
- Run length encoding:
- Overlap function in Haskell for rectangles
- Tying Knots Generically
- A quick and dirty theorem prover in Haskell
- Brainf*k interpreter in Haskell
- FourFours in Haskell
- Using Bayesian filtering instead of 'if' in Haskell
- Prime sieves in Haskell
- Bowling in Haskell
- Norvig's spell checker and idiomatic Haskell
- Counting fibonaccis