Essays sorted by Creation Date. Click to sort by:  Name Changed Date

Names

Created

Changed

Check Sums

2008-08-06

2008-08-06

Kenneth E. Iverson

2008-07-13

2008-08-01

J for C Programmers Front Cover

2008-06-24

2008-06-25

Memo

2008-06-04

2008-06-05

Polynomials Intersection

2008-05-29

2008-05-31

Tree Display

2008-05-17

2008-05-29

Combination Sums

2008-04-30

2008-05-02

Primality Tests

2008-04-14

2008-04-20

Semiprimes

2008-04-04

2008-04-06

Order Statistics

2008-03-24

2008-04-10

Tree Sum

2008-03-14

2008-03-21

Bernoulli Numbers

2008-03-07

2008-03-09

Extremal Arguments

2008-03-05

2008-03-05

Indeterminate

2008-02-26

2008-03-22

NaN

2008-02-26

2008-03-22

MultipleOr

2007-12-21

2008-05-05

Linear Regression

2007-12-13

2007-12-13

Tower of Hanoi

2007-12-12

2007-12-12

2^64

2007-12-07

2008-07-19

Landau's Function

2007-11-14

2007-11-14

Insert

2007-11-05

2007-11-06

Birthday Problem

2007-11-04

2007-11-09

APL\360 Developers Photo

2007-11-02

2008-07-19

Timestamp Extension

2007-10-31

2007-11-02

"APL" Origins

2007-10-26

2008-07-22

The Art of Shaving

2007-10-26

2007-10-27

Sum of a Vector

2007-10-26

2007-10-27

Bitwise Functions on Characters

2007-10-22

2007-11-13

Bisection Method

2007-10-17

2007-10-17

Newton's Method

2007-10-16

2007-10-17

Mertens Function

2007-09-19

2007-09-25

Möbius Function

2007-09-19

2007-09-27

Inverse Permutation

2007-09-10

2007-09-12

Next Binary String

2007-08-29

2007-09-06

Eigenvalues

2007-08-27

2007-08-27

Minors

2007-08-19

2008-03-01

Cross Product

2007-08-17

2007-09-06

Complete Tensor

2007-08-17

2007-09-06

Power Set

2007-08-14

2007-09-06

Name Resolution

2007-08-09

2007-08-11

Covert Representation

2007-08-03

2007-09-12

Progressive Index-Of

2007-08-01

2007-09-06

Christoffel Expressions

2007-07-14

2007-07-17

Isometric Surfaces

2007-07-14

2007-07-20

Gauss-Bonnet Theorem

2007-06-23

2007-12-08

Number in Words

2007-06-12

2008-05-11

99 Bottles of Beer

2007-06-10

2007-09-06

88 Hats

2007-06-09

2007-09-06

Compositions

2007-05-31

2007-09-06

Index in Nub

2007-05-26

2007-10-13

Notation as a Tool of Thought

2007-05-26

2007-11-02

ChessboardPuzzle

2007-05-16

2007-05-21

Inverted Table

2007-05-08

2007-10-22

Huffman Coding

2007-04-26

2008-05-13

DiceGame

2007-04-24

2007-04-24

Rank

2007-04-21

2008-07-18

A Fine Line

2007-04-18

2007-04-18

IEEE Floating-Point Numbers

2007-04-11

2007-09-06

Key

2007-04-10

2008-01-25

Absolute and Relative Tolerance

2007-03-30

2007-03-30

Word Formation on Lines

2007-03-29

2007-09-06

Do While

2007-03-24

2007-09-06

Polyminoes

2007-03-22

2007-08-14

Gaussian Integers

2007-02-24

2007-09-06

Text Formatting

2007-02-17

2008-02-03

Data Structures

2007-01-18

2007-04-25

Longest Common Subsequence

2007-01-17

2007-03-01

Triangular Data

2007-01-12

2007-01-12

Extended Precision Functions

2007-01-02

2008-03-11

Grading versus Sorting

2006-11-23

2008-05-09

Sorting versus Grading

2006-11-23

2008-05-09

Recursive Descent Parser

2006-10-31

2007-10-10

Regex Lexer

2006-10-27

2007-09-10

Transpose

2006-10-21

2007-01-06

Distributed Apply

2006-10-19

2007-01-18

APL Acknowledgements

2006-10-18

2008-07-19

APL Chronology

2006-10-18

2008-07-19

Histogram

2006-10-14

2007-09-06

Bifactorial

2006-09-12

2006-09-14

Binary Probability

2006-09-12

2006-09-13

Double Factorial

2006-09-12

2006-09-13

Generalized Monty Hall

2006-09-12

2006-09-14

3x + 1 Problem

2006-09-05

2007-09-06

Collatz Conjecture

2006-09-05

2007-09-06

The Monty Hall Problem

2006-09-02

2008-05-08

Boxed Array Display

2006-08-27

2007-10-28

AnimalsGame

2006-08-15

2006-08-16

9 Queens Problem

2006-08-12

2007-09-06

Linear Recurrences

2006-08-09

2007-09-06

Matrix Powers

2006-08-09

2007-09-06

Cross Sums

2006-08-01

2007-09-06

Kakuro カックロ

2006-08-01

2007-09-06

Brevity

2006-07-28

2007-05-29

Vier Neun

2006-07-27

2007-09-06

Set Game

2006-07-26

2008-03-11

Mastermind

2006-07-25

2007-12-19

moo

2006-07-25

2007-12-19

RNG

2006-07-16

2006-07-17

The Essentials of J

2006-07-13

2007-09-20

Bibliography

2006-07-12

2008-07-18

Scope

2006-07-10

2006-07-11

Hook Rank

2006-06-19

2006-06-19

Rank Table

2006-06-19

2006-06-21

Complex Operations

2006-06-04

2008-06-13

RSA Challenge

2006-06-02

2006-06-03

Boolean Array Size

2006-05-26

2007-09-06

Hook Conjunction?

2006-05-25

2007-09-06

Tacit Expressions

2006-05-23

2006-12-07

Reflexive

2006-05-22

2007-09-06

4 Queens Problem

2006-05-20

2007-11-01

Bernstein Polynomials

2006-05-18

2006-05-26

Capped Fork

2006-05-18

2007-09-06

Lorenz Attractor

2006-04-27

2006-05-22

Short Circuit Boolean

2006-03-21

2006-05-24

Square Root

2006-03-11

2007-09-06

Anagram

2006-02-25

2006-02-25

Multiplicative Order

2006-02-21

2007-12-09

Nonincreasing Odometer

2006-02-13

2006-05-20

Pascal's Ladder

2006-02-13

2007-09-06

Set Partitions

2006-01-30

2006-05-20

The TAO of J

2006-01-28

2007-09-06

Tolerant Comparison

2006-01-28

2008-08-02

Dendrite

2006-01-15

2007-03-16

Non-Overlapping Substrings

2006-01-10

2007-09-12

Primes Less Than n

2006-01-04

2007-10-02

Large Exponent Real Arithmetic

2005-12-24

2007-09-06

Kruskal's Algorithm

2005-12-21

2007-09-06

Minimal Spanning Tree

2005-12-21

2007-09-06

Base Spectrum

2005-12-14

2008-07-24

Matrix Inverse

2005-12-10

2007-11-08

Factorings

2005-12-07

2006-01-30

Unit Fraction Sum

2005-12-02

2007-09-06

Block Matrix Inverse

2005-11-22

2007-09-06

Partitions

2005-11-19

2006-11-16

Divisors

2005-11-18

2007-09-06

Identity Matrix

2005-11-18

2006-06-21

Odometer

2005-11-18

2008-01-08

Combination Index

2005-11-12

2008-04-30

Combinations

2005-11-12

2008-04-30

Binary GCD Algorithm

2005-11-09

2007-09-06

Symmetries of the Square

2005-11-08

2008-04-12

Egyptian Fraction

2005-11-04

2007-09-06

Fibonacci Index

2005-11-04

2007-09-12

Fibonacci Sums

2005-11-03

2007-09-06

Zeckendorf Representation

2005-11-03

2007-09-06

Non-Adjacent Form (NAF)

2005-11-03

2005-12-17

Binary Tree

2005-11-02

2006-06-01

Extended H

2005-11-02

2006-06-01

Roman Numerals

2005-11-02

2007-09-06

Permutations

2005-11-01

2007-11-06

Self-Downgrading Permutations

2005-11-01

2007-09-06

Self-Upgrading Permutations

2005-11-01

2008-04-17

LU Decomposition

2005-10-31

2007-11-08

QR Decomposition

2005-10-30

2007-11-08

Goldbach Conjecture

2005-10-29

2007-09-06

Incunabulum

2005-10-28

2007-10-28

Triangular Matrix Inverse

2005-10-28

2007-11-08

Chinese Remainder Theorem

2005-10-27

2007-09-06

Symbol-Minded

2005-10-27

2007-09-12

Euclidean Algorithm

2005-10-26

2007-09-06

The Ball Clock Problem

2005-10-25

2007-09-06

Teaching J Syntax

2005-10-23

2005-10-23

Integer Root

2005-10-21

2007-03-22

Unique Factors

2005-10-21

2005-10-21

Josephus Problem

2005-10-17

2007-09-06

Gray Code

2005-10-16

2006-12-06

Self-Valued Expression

2005-10-16

2006-03-16

Ackermann's Function

2005-10-15

2007-09-06

Choleski Decomposition

2005-10-15

2007-11-08

Totient Function

2005-10-15

2007-09-06

Cayley's Theorem

2005-10-14

2007-09-06

Continued Fractions

2005-10-13

2007-04-10

Duality

2005-10-13

2007-03-06

Under

2005-10-13

2007-03-06

Negative Rank

2005-10-12

2007-09-06

Permutation Index

2005-10-12

2007-09-06

Sine

2005-10-12

2007-09-06

Stirling's Approximation

2005-10-12

2007-09-06

Chi-Squared CDF

2005-09-30

2007-09-06

Hilbert Matrix

2005-09-30

2007-12-11

Error Function

2005-09-30

2007-09-06

Normal CDF

2005-09-30

2007-09-06

Queens and Knights

2005-09-30

2007-09-12

Stirling Numbers

2005-09-30

2007-09-06

Pascal's Triangle

2005-09-29

2008-04-29

Sudoku 數独

2005-09-29

2007-05-09

Symmetric Array

2005-09-29

2007-09-06

8 Queens Problem

2005-09-28

2008-04-12

N Queens Problem

2005-09-28

2008-04-12

Quicksort

2005-09-28

2008-03-24

Repeated Squaring

2005-09-28

2007-09-12

Fibonacci Sequence

2005-09-27

2008-01-04

Simplex Method

2005-09-27

2006-05-03