A History of APL in 50 Functions
Roger K.W. Hui

Introduction
0. Array Logic
1. On Average
2. A Short Average
3. Index-Of Selfie
4. Bar Chart
5. Parentheses Nesting
6. Perfect Shuffle
7. Quicksort
8. Pascal’s Triangle
9. Golden Ratio
10. Newton’s Method
11. Inner Product
12. Cayley’s Theorem
13. Symmetries of the Square
14. Interval Index
15. Central Limit Theorem
16. A Memo Operator
17. 1729
18. 88 Hats
19. Permutations
20. Inverse Permutation
21. Permutation Index
22. Combinations
23. Combination Index
24. Symmetric Array
 
25. N Queens Problem
26. Knight’s Tour
27. moo
28. Odometer
29. Array Indexing
30. Dyadic Transpose
31. Inverted Table Index-Of
32. Fast Multiplication
33. Josephus Problem
34. Repeated Squaring
35. Transitive Closure
36. Fibonacci Numbers
37. Gray Code
38. Tower of Hanoi
39. Ackermann’s Function
40. Halting Problem
41. Cholesky Decomposition
42. Minors
43. Stirling Numbers
44. Chinese Remainder Theorem
45. Euler’s Identity
46. 50847534
47. Pyramigram
48. Monty Hall Problem
49. Bring Something Beautiful
Chronology
Dramatis Personæ
The Fine Print
References
Acknowledgments


created: 2016-05-26 02:20
updated: 2019-11-07 09:00