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system\packages

This directory contains various utility packages.

autocode\grid

grid autocode

   

color\cfmt

color formatter

color\cfmtfns

color fmt functions

color\color16

table of 16 primary colors supported by HTML

color\colortab

colortable used in J (from Internet Explorer)

color\ns216

Netscape primary colors (256 color table)

color\ntcolor

name that color (displays color table)

color\rgb

convert between color triples and RGB values

color\wdcolor

color table for wd 'qcolor'

color\xwin

X Windows color table

   

dde\server1

Sets up J as a hot-link DDE server.

dde\server2

Sets up J as a cold-link DDE server.

   

files\csv

CSV file access utilities

files\dbase

dBASE file access utilities

files\jfiles

Component File definitions

files\keyfiles

Keyed-file definitions

files\kfiles

Older keyed-file definitions (superseded by keyfiles.ijs)

files\nfiles

file read/write in various formats

   

finance\actfns

actuarial functions

finance\actutil

actuarial misc utilities

finance\interest

interest functions

   

graphics\bmp

supports bitmap files

graphics\gnuplot

supports gnuplot for Windows

graphics\gputil

gnuplot utility functions

graphics\isigmain

supports graphics using the isigraph control

graphics\isigraph

loads all isigraph files

graphics\isigutil

isigraph utilities

graphics\vkeys

vkey definitions

   

math\bigpi

calculate several digits of pi

math\brent

Brent's method in J

math\det

definitions for determinants

math\fermat

fermat - find factor of n near square root

math\gcd

calculate GCD

math\integer

various integer definitions

math\integrat

various methods for numeric integration

math\jacobi

jacobi's method for eigenvalues and vectors

math\legendre

legendre symbol and quadratic residues

math\linear

solve linear equations

math\makemat

make various matrices

math\matfacto

matrix factorization

math\mathutil

math utilities

math\matutil

matrix utilities

math\mean

various means

math\numbers

various number definitions

math\pollard

Pollard factorizations

math\poly

polynomial functions

math\primutil

prime testing programs

math\quatern

definitions for quaternions

math\spline

calculate cubic spline

math\svd

singular value decomposition

   

misc\datefmt

date formatters

misc\evolute

calculate evolutes

misc\fgh

displays calling sequence for J expressions

misc\fields

symbolic field indexes and access functions.

misc\ieee64

IEEE 64 bit representation of real number

misc\primitiv

names for primitives

misc\rtfview

view rtf text in richedit control

misc\telecom

serial port I/O API cover functions

misc\vkeyshow

shows vkey names

misc\xenos

suggested names for external conjunctions

   

ocx\graph

GraphLib definitions

ocx\ocxutil

Utilities for OCX controls

   

print\label

print labels

print\laserjet

LaserJet utilities

print\print

print package

print\printn

prints text in n columns on a page

print\write

write package

   

regex\regbuild

utilities for building regular expressions

regex\regdemo

regular expression demo

regex\regj

nouns for applying regular expressions to J code

regex\regjbld

build regular expressions for J code

   

stats\random

various random utilities

stats\statdist

Statistical Distributions

stats\statfns

Statistical functions

stats\stats

load statistics files


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