Hexadecimal -> Octal -> Decimal ... anyone ??
 

Ran across my OLD TI-Progammer calculator the other day.
Bought in 1978 while working as a Systems Engineer for EDS (Electronic Data Systems). Great for converting to base-10 / base-8 / base-16 numbering systems and other operations.
Per TI advertising, "a calculator that is of very little use for 99.9994% of the population". IIRC I paid $40+ for it back in the day. A lot of money then for a calculator.

Installed a fresh 9V battery and it fired right up... then just turned if off ! I am no longer part of that .0006% of the population it seems.

Also found a couple of TI-30 calculators in the box.

http://forums.pelicanparts.com/uploa...1645988115.jpg

Hexadecimal caused me to question my reason for existing. |I'd stare at a core dump like Bambi in headlights. Once I got into the groove I was good but man what an alternate universe that was. I never did finish that graduate program.

LOL ... who needs a calculator ....

A + B = 15 :D

I was given a SOLAR powered hex calculator/converter at an IBM Op Sys class in the mid-80s ... it was a bit helpful too ;)

I smelled like a dump for years too!

and the first thing we all did with these new fangled calculating devices was spell words upside down on the display.

I've always got a calculator by my computer for informal math: simple hex<->decimal<->binary conversions, division, etc.

For anything more 'real' I use excel and then mathematica/matlab.

Had a few hp calcs die and was surprised there was nothing good any more. Took my son's hp50 but I don't like the key layout.

Came across the wp34s project and built 10 of them, gave a bunch away to friends.

WP34S is a pretty kickass item:

http://h20331.www2.hp.com/hpsub/downloads/S05%20The%20WP34S%20Evolves%20V3.pdf

5318008

Sent from my SM-G988B using Tapatalk

Yeah I spent way too many years doing hex arithmetic mentally.
Octal we never used though.

https://www.swissmicros.com/products

These seem ok...

You can also get FREE42 for your smartphone.

My dad had an old TI similar to that.

I've got RPN calc apps on my PC (Apple and MS before that) and phone.

I'm all about the RPN. I wrote a research paper on number systems in the 7th grade. Binary conversions are super easy, I do those in my head. Hex is a little more difficult. I used to be able to do those in my head too, but haven't needed to in so long, I'd probably use a website or app (if my RPN calc app won't do it).

I've never needed to work with base4 or base8 for any reason.

Still use and teach octal every term for doing Linux file permissions.

Decimal to binary is still taught in our Networking classes - can't subnet without it!

I cover hex stuff when I have to substitute teach one of the web front end classes (color selection).

10100010010010101111000

OMG. I was separating the bits trying to figure why it didn’t work.

I was trying to fit this:

0101 0011 0001 1000 0000 0000 1000

Into this:

10100010010010101111000

I need a life. And perhaps just one more glass of bourbon...

I've got one of those calculators too. Not that I'd know how to use it these days.

Anything slightly complicated I just do it in Excel. Easier to get your logic right I feel.

Our PR1ME 300 used octal. I didn't learn hex until we bought an early Apple ][

If 710 Arabs fight 773 Israelites for 45 days who win? 71077345 flip it over, SHELLOIL

5318008 = "boobies"

I was trying hex to dec and dec to hex conversions on this number...
Thought I was deciphering some kind of secret code...
Turns out it's boobies... :rolleyes:

Been using this for 35 years...

http://forums.pelicanparts.com/uploa...1646043974.jpg

I can't find my slide rule.

Hmm. I always view and think of that as being 3 bits of binary. I've never thought of it as being octal.

I had a TI-58 back in high school and college and lusted for the TI-59 which was the same but with a card reader. Hexadecimal, which I learned while using the Apple II mini-assembler came easy to me.

Remember Compuserve? The login ID's, which looked like 72234,7654, were octal.

It is groups of 3 bits, but each digit place in octal is.... 3 bits.

As Tom Lehrer said, base 8 is just like base 10, if you're missing 2 fingers

My first computer, Heathkit H-8, had a Split-Octal display. CPM debugger was hex. I used to be able to convert and recognize the common z80 and 8080 codes from memory.

hexidecimals to the rescue

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I dumped a small group of stocks last year and I was trying to figure out the cost basis of some stock I bought 25 years ago on an ESPP; a few shares a week, with tiny dividends added in and discounts subtracted and splits creating havoc.

I rue the day I stepped out of line for a second when God was passing out kidney beans, because I have a feeling after reading such threads as these that what took me over an hour to do (and I'm sure it's not 100% accurate) would have been a couple of keystrokes for some of you brainiacs.

There are 10 types of people in this world: Those that understand binary, and those that don't.

I'm pretty much a numbers brainiac, and that sounds like a huge pain in the arse to me.

There are 10 types - those who understand binary, those who don't, and those who make jokes using different base numbers....

That makes it 11 types.

http://forums.pelicanparts.com/support/smileys/clap.gifSmileWavy

Three Microsoft software engineers and three IBM software engineers are traveling by train to a conference. At the station, the three IBM software engineers each buy tickets and watch as the three Microsoft software engineers buy only a single ticket.

"How are three people going to travel on only one ticket?' asks one of the IBM programmers.

"Watch and you'll see," answers the Microsoft programmer.

They all board the train. The IBM software engineers take their respective seats but all three Microsoft software engineers cram into a restroom and close the door behind them.

Shortly after the train has departed, the conductor comes around collecting tickets. He knocks on the restroom door and says, "ticket, please." The door opens just a crack and a single arm emerges with a ticket in hand. The conductor takes it and moves on.

The IBM software engineers witness all this and agreed it was quite a clever idea. So after the conference, the IBMers decide to copy the Microsofties on the return trip and save some money.

When they get to the station, they buy a single ticket for the return trip. To their astonishment, the Microsoft programmers don't buy a ticket at all.

"How are you going to travel without a ticket?" asks one of the perplexed IBM employees.

"Watch and you'll see," answers one of the Microsoft programmers.

When they board the train the three IBM programmers cram into the first restroom they can. The three Microsoft programmers pile into another one nearby. Shortly thereafter, the train leaves the station.

After a brief interval, one of the Microsoft software engineers leaves his restroom and walks over to the restroom where the IBM programmers are hiding. He knocks on the door and says, "Ticket, please..."

roflmao!

Tou cant count in base3 ?

Well played, sir, well played. SmileWavy

I'm pretty sure they all use binary .... hex and octal are just for us stoooopid humans to use...

If you've ever written a program in pure "machine language" (binary) .... you understand why too :D.

Only once for me .... Dr. Cramer ... you still suck four decades later ;)