Calculator Comparisons - test-drb@ccmp.vtda.org

22 Oct 1999

--- Rick Bensene &lt;rickb(a)bensene.com&gt; wrote:
...
   Casio AL1000
(discrete transistor, programmable, not scientific)
 Casio AL2000 (ICs, much the same functionality as the AL1000)
 ???? (All-in-one-chip equivalent)  
 To check these out, see:
 http://www.geocities.com/oldcalculators/commal-1000.html
 This is a Commodore AL-1000.  It's a Commodore-badged OEM version identical
 to the Casio AL-1000. 
Wow!  Thanks for the link.  I happen to have a nixie tube strip that looks
just like the one in the AL-1000.  The one I have has 12 CD71 tubes (plus
the minus bulb).  On the bottom, there are characters in English and Katakana.
Some of the part numbers are "IS-1", "Model 121" and
"I2D-E2(B)".  The
Katakana appear to be representative of digits.

I've always wanted to do something with this (like so much of my really good
stuff,  I've had it since I was a kid).  I've just noticed that 12 digits
is enough to make an ISO Date compatible clock/calendar (i.e., 199910220116).
Is there a good reference around about how to drive a multiplexed neon array
going from TTL to 90VAC?

-ethan

=====
Infinet has been sold.  The domain is going away in February.
Please send all replies to 

  erd(a)iname.com
__________________________________________________
Do You Yahoo!?
Bid and sell for free at http://auctions.yahoo.com