Discussion:
HP-16C emulators
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r***@agilent.com
2005-08-19 15:24:19 UTC
Permalink
Here are two websites offering good HP-16C emulators ("+" = a
positive, "-" = a negative, "*" = a comment).

www.hp16.com, Chris Lusko, Java applet and application
======================================================
* What follows applies to the downloadable Java application, which
has some features the online Java applet does not.

+ Complete emulation of function set, programming, and floating point
+ 64-character wide registers (see the entire number even in base 2)
+ X Y Z T LastX and I registers always visible
+ View programs as either row/column keystrokes or mnemonic notation
+ Export entire calculator state as a text file
+ Save entire state, Load entire state or program only or...
+ Free, and no license to expire
- Only 203 bytes internal memory (like the real 16C)
* Chris did this as a school thesis project that is just ending.

www.hp16c.net, Jamie O'Connell, Windows application
===================================================
+ Complete emulation of function set, programming, and floating point
+ User interface is a photo of the real 16C
+ Tri-section buttons (get f/g shifts with a single mouse click)
+ More internal memory than the real 16C
- Beta release, free but with a 2-month license expiration
* Jamie is a musician/programmer and MIDI enthusiast.

Background: The HP-16C was manufactured from 1982 until 1989, and
sells now on eBay for about $150 to $250 (10 in the last 2 weeks).
More history on the 16C and all HP calculators can be found at
http://www.hpmuseum.org.

Various software emulators have existed through the years, but all I
have seen fall short somehow. For example, only 32 bit word size, no
"double" functions, no programming, incorrect floatt <> integer
conversion, etc. I have been doing testing in the last few months
with the two authors above that are both trying to do complete
functional emulation of the 16C. (They just happened to be working on
it at the same time.) Both are ready to have a larger audience see
what they are doing. I have an HP-16C program written in 1982 that
approximates "e" (2.718...) to 400 decimal places in 5 hours on an
HP-16C. It runs correctly on both emulators (considerably faster).
Others are also involved in the testing effort.

I have not been able to find an online Users Guide for the HP-16C, so
if you find one please post the location here.

Rick
r***@agilent.com
2005-08-19 16:27:10 UTC
Permalink
Post by r***@agilent.com
www.hp16.com, Chris Lusko, Java applet and application
Sorry, it is www.hp16c.com (I missed the "c".)

Rick
Eric Smith
2005-09-01 02:18:05 UTC
Permalink
Post by r***@agilent.com
Here are two websites offering good HP-16C emulators
I'm somewhat biased, but I'd add a third to the list:

http://nonpareil.brouhaha.com/

It's a work in progress, so there isn't yet a friendly installer or
online help, but the 16C simulation is more accurate than any other
that I've seen.

Eric
Ragnar
2006-08-30 19:58:43 UTC
Permalink
I customized this calculator myself...

It is more accurate than any calculator I have seen which can be
tested by converting metric units to imperial and back again. If
accurate, you should wind up with nearly the same numbers as you go
back and forth, inaccurate converters have the errors accumulate
rapidly as you go back and forth.


Very useful FREE ONLINE CALCULATOR with trigonometry, logarithms,
transcendental functions and METRIC conversions

click on this:

http://tinyurl.com/eow8t

or go to

www.nikitacms.com

Some fine games there too including Chess and Tetris

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