ticalc.org
Basics Archives Community Services Programming
Hardware Help About Search Your Account
   Home :: Archives :: News :: Underwater Calculators?

Underwater Calculators?
Posted by Nick on 4 July 2000, 19:48 GMT

I have absolutely no idea what value this would actually have in the consumer marketplace, but it looks like an underwater calculator has been developed by Roberto Guerra. I'd love to see someone try this with an old piece of junk, like an 81 or a 92 :) I heard a little about electrically inert substances such as 3M's Fluorinert from Slashdot a few days back... a good link exists on the subject, as does information on the Cray 2, which used Fluorinert to cool it.

The downside to Fluorinert? It's $500 a gallon. Dang.

 


The comments below are written by ticalc.org visitors. Their views are not necessarily those of ticalc.org, and ticalc.org takes no responsibility for their content.


Re: Underwater Calculators?
Ciaran McCreesh  Account Info
(Web Page)

There have been underwater laptops for years now. In fact you can take a standard laptop running Micro$oft WinDoze 2000 and it will work as well underwater as well as it will out.

Ciaran

     4 July 2000, 19:59 GMT

Re: Re: Underwater Calculators?
Ciaran McCreesh  Account Info
(Web Page)

I should probably add that no special hardware is required - you just need the usual 2 Gigs of RAM, a 700MHz Pentium III and 100 Gigs of hard disk space.

Ciaran

     4 July 2000, 20:02 GMT


Re: Re: Re: Underwater Calculators?
Nick Disabato  Account Info
(Web Page)

laptop != calculator :)

--BlueCalx

     4 July 2000, 20:15 GMT


Re: Re: Re: Re: Underwater Calculators?
Ciaran McCreesh  Account Info
(Web Page)

He he. That depends on how much you overclock it, doesn't it? I've seen a ti80 running at ~6GHz. OK, it blew up (literally) after a few seconds (I'm surprised it lasted that long) but still... Looking at it the other way, anyone not using a real operating system (see also: Linux, Red Hat, Zoot, KDE) has turned their laptop into a calculator.

Ciaran

     4 July 2000, 20:24 GMT

Re: Re: Re: Re: Re: Underwater Calculators?
YodaToad  Account Info

When did KDE become an operating system? :)

-Erik

     4 July 2000, 20:55 GMT


Re: Re: Re: Re: Re: Re: Underwater Calculators?
ar0n  Account Info

If you really want to be correct:

Linux isn't an OS, it's a kernel
Redhat isn't an OS, it's a GNU/Linux distribution

And as for Zoot, I haven't the foggiest of clues as
to what *that* is.

:)

-- ar0n

     4 July 2000, 22:03 GMT


Re: Re: Re: Re: Re: Re: Re: Underwater Calculators?
Nick Disabato  Account Info
(Web Page)

Zoot is a build of Red Hat.

--BlueCalxz0r00l0rd3z0r3z

     4 July 2000, 22:08 GMT


Re: Re: Re: Re: Re: Underwater Calculators?
Free_Bird Account Info
(Web Page)

6 GHz? How did you do THAT?

     5 July 2000, 19:08 GMT

Re: Re: Re: Re: Re: Re: Underwater Calculators?
aoejedi  Account Info
(Web Page)

Must've been the jumper of doom - I would wager it was... the size of Sacramento.

     6 July 2000, 00:56 GMT


Re: Re: Re: Re: Re: Re: Underwater Calculators?
Ciaran McCreesh  Account Info
(Web Page)

A crystal.

     6 July 2000, 20:16 GMT


Re: Re: Re: Re: Re: Re: Re: Underwater Calculators?
surfkiller

I am sorry, you can not burn your processor by overcloking it. It just looses the frequency and stop. Let get cooler and change the crystal frequency to a normal one.
If you have done it properly, your calculator should start again.

     7 July 2000, 10:08 GMT


Re: Re: Re: Re: Re: Re: Re: Re: Underwater Calculators?
Ciaran McCreesh  Account Info
(Web Page)

Some chips will die if you put too high frequencies through them. One of the old 68k chips had an undocumented opcode that would toggle all the I/O pins on and off as fast as possible. You could melt the insulation on the wires inside old Macs doing this...

The calc definitely doesn't work now. The screen has a huge black mark behind it and a load of resistors, capacitors and so on look extremely sorry for themselves.

Ciaran

     7 July 2000, 20:23 GMT


Re: Re: Re: Re: Re: Re: Re: Re: Re: Underwater Calculators?
calcfreak901  Account Info
(Web Page)

Is anyone daring/stupid enough to test that undocumented opcode on an 89/92/92+? Personally, I would recommend testing on an old 92 if someone has an almost dead one around.

     21 July 2000, 21:55 GMT


Re: Re: Underwater Calculators?
Leroy Marshall
(Web Page)

My last computer with Microsoft Windows 98 worked just as good on fire as it did normally =D

     5 July 2000, 01:40 GMT


Re: Re: Re: Underwater Calculators?
dleet  Account Info

hell, I'm running the final release code for win millenium, and I can't crash it with a sixteen-pound sledge...

     7 July 2000, 16:32 GMT


Re: Re: Re: Re: Underwater Calculators?
calcfreak901  Account Info
(Web Page)

try something like a ms office 95 beta if you want to crash it...or a twenty-pound sledgehammer

     8 July 2000, 02:33 GMT

Re: Underwater Calculators?
Max Seckel  Account Info
(Web Page)

well now, isnt this useful?

     4 July 2000, 22:18 GMT


Re: Re: Underwater Calculators?
James!  Account Info

Oh, absolutely! I've always wanted to be able to do my homework in the shower! Now all I need is waterproof paper...

     4 July 2000, 22:36 GMT

Re: Re: Re: Underwater Calculators?
~Dan_C  Account Info
(Web Page)

Well, I suppose you could laminate the paper. . .

"Oh Smithers, how am I supposed to do my Junior Jumble now?"

proConsul

     4 July 2000, 22:47 GMT

Re: Re: Re: Re: Underwater Calculators?
Max Seckel  Account Info
(Web Page)

...if you laminated the paper, what would you write with? or would you just re-laminate it after every word?

     5 July 2000, 01:30 GMT

Re: Re: Re: Re: Re: Underwater Calculators?
Ryan Pelletier  Account Info
(Web Page)

no...space pen...writes underwater on laminated paper :)

     5 July 2000, 03:43 GMT


Re: Re: Re: Re: Re: Re: Underwater Calculators?
Max Seckel  Account Info
(Web Page)

oh, of course, silly me...

     5 July 2000, 04:43 GMT


Re: Re: Re: Re: Re: Underwater Calculators?
jshock  Account Info

Just use an expo marker, I'm sure you could steal one from one of your teachers :-)

     13 July 2000, 23:47 GMT


Re: Re: Re: Re: Underwater Calculators?
terkgod Account Info

now there is paper that is water proof

now how do you think scuba divers recorded info before they had these glorious under water calcs
hehehe

     12 July 2000, 02:33 GMT


Re: Re: Re: Underwater Calculators?
Franceys Allen  Account Info
(Web Page)

We're a really small UK co and have developed a laser printable and photocopiable waterproof paper which you can write on, come shower come sauna!
Also have just got on manufacturing chocks a small cheap waterproof calculator.

     11 October 2000, 09:43 GMT

1  2  3  4  

You can change the number of comments per page in Account Preferences.

  Copyright © 1996-2011, the ticalc.org project. All rights reserved. | Contact Us | Disclaimer