/CoSy/K/CoSy

CoSy "Turn on and Use" Note-Computing Environment
Customized with K.CoSy for Individuals and Groups
who earn their living thru analytical thought .

" So well done, CoSy has stimulated me into trying to learn K "

Old flat APL CoSy ( blue )
in front of neonatal K.CoSy

After 17 years living in my CoSy "notecomputing" environment created in STSC's flat APL+PC , I have since Thanksgiving 2000 created a similar working and programming environment in Arthur Whitney's K language and its tightly coupled GUI . ( See http://Kx.com )

Already K.CoSy provides an extremely productive workspace like environment previously impossible in K which is itself one of the most expressive and perhaps the fastest language yet created .

Among my uses of K.CoSy is the preprocessing of these web pages with a small vocabulary I have constructed to allow embedding of arbitrary K expressions in my HTML . ( View the source of this page for a couple of examples of embedded K . )

If you have an interest in exploring K , K.CoSy's open definitions , interactivity , and memory of every thing you do , greatly ease the task . The only silver lining to the horrendous disk crash I suffered mid June is that reconstructing from scratch , the code is much cleaner and more mature .

Caution : K and K.CoSy must be considered eXtreme programming environments .
If that appeals to you , prepare to be amazed . If not , K and K.CoSy may be totally inscrutable to you .
( move cursor on pik to see Alt comment )

Like a Lotus Super 7 , lot of bare metal , but can gobble Corvettes on a twisty course .

Here is what you see when you click "click to start" opening K.CoSy .
Click .CoSy.text to see the whole contents of the variable `text when you first load the current version K.CoSy .
These should give you a flavor of the open nature of K.CoSy and a glimpse of its broad utility .

Klik to see Help on the defined Keys in `text .

#Subscribe
K.CoSy , being young and developing open code , lends itself to offer by subscription .
Charter subscriptions are available for just $30 . Subscription includes access for one year to the source files in the protected MEMBERS directory and the ability to post to the group ( and , of course , to ask me any usage and technical questions . Message archives ( not files ) are visible even to non-subscribers . . Current members of the CoSy/Notecomputing group are automatically Charter Subscribers with full access privileges .

To become a member of CoSy and experience its extreme simplicity :

Go to Kx.com and download a copy of K ( or Kdb which includes K ) . Download their docs too ; CoSy assumes you know or want to learn K . CoSy does a lot to tame K , but you will see what a wild mindmeld Arthur has condensed .
Subscribe to K.CoSy NoteComputing Language Pool .
Drop me an email or give me a call letting me know you are writing a check . Or you can use PayPal by clicking the button below .

Use Responsibly
I will then add you to our members' mail group , and email you the information to access our members' directories and files including how to download and setup K.CoSy .

This is all very fresh , please contact me with any questions or suggestions .
-- Bob A --

Background

The K and Kdb maillists . See kx.com/download/developer.htm . I monitor these groups , and participate . The list archives at kx.com/listbox/ are worth perusing .
CoSy/Language , particularly #k , The Evolution of CoSy , and Low Down Objects .
Jayson Nordwick SLASHDOT post : What about K ?
Interesting discussion of relation of K and APL , Whitney and Iverson
on the comp.lang.apl news group : Jim Lucas and Roger Hui
Arthur's Comparisons with APL and "Gotcha" list
From ITpapers.com : Database optimization techniques in Kdb could help ease the enterprise data crunch .