First calculator story



#2

With december, i still remember one of the finest gift i got : an electronic calculator; for sure it was not a HP; it was given to all kids in a big business party: i received a TI-1200 and the girls received a TI-Lady1200 :-))). My father's BOSS received at the same time an HP-35 from the employees! I asked him to try the calculator and find that my 4 functions calc is better, less complex to use and gave him back (i was 8-9 years old). I never saw a 35 nor any HP for another 15 years of school!!! My TI-1200 i still working but the keys are "bouncing". It was my best gift for years - i'm sure the HP-35 is still working! Do you remember when you recived your first calculator? what model? I like reading all the post here, i'm new to HP and perhaps i'll change my daily TI for a HP!!!


#3

"...change my daily TI for a HP!!!" I already have 6 HP but i don't trust me on these machine so they are just there for "collection purpose only", you know 25 years of TI let it hard to learn something new. I found the HP-30s very easy but not programmable ;-(, The HP-20S Very nice and easy, the HP-75C Humm... Big, The 35 beautiful but lack some math functions, the 38G boring and the 41CX a MUST have but don't want to use it too much - too nice to use :-). Do i have a wide variety of HP calculators or i miss some "kinds". There were given to me over the years but now i want you to tell me Which HP i should really focus on to learn it well and use in my every day job (even if i need to buy another HP).

Thanks
Michel


#4

I think you should learn and use the 41CX. As for buying a new one I would suggest the 48GX, for old ones try a 67 or 97 or a 65. Those are basically top of the line in its time.


#5

Hi;

I'd suggest the amazing Voyagers: HP10C, HP11C, HP12C, HP15C, HP16C. They are bulldozers, ready-to-use, easy as it gets, powerfull and... why not to say? nice good-looking machines.

You should try one of them, any of them. Both 16C and 15C are top-of-line, the 12C is the financial model, the 11C is all-terrain and the 10C is the - how to say? - collector's choice: the low-profile, yet the easiest to find.

Try one and tell me about it.

Cheers.


#6

Where to find a 10C, 15C or a 16C, i think they are not produced anymore because i found a 12C on the HP site but not the 15 or 16, perhaps i miss something on the HP site. Is there more business man (12C) than scientific (10C) interrest in HP?


#7

You're looking for calculators that HP stopped making 13 years ago, so try the classifieds and ebay.

Also, flea markets, thrift shops and garage sales will be MUCH cheaper than anything online but you may have to dedicate several weeks or months to the search.


#8

It's undoubtedly No News (just stop by the HPShopping website), but the 12C is still being sold. The two ways it differs from the original of the 1980's are [1] one coin battery instead of three button ones (I know this), and [2] running one next to an AM radio tuned off-station yields a barely detectable buzz, whereas the original makes a loud one (I've read this). [2] is undoubtedly a function of lower-powered circuitry that allowed [1].

Whether you want a 12C or not though.... It's a great RPN machine, just few scientific functions.

#9

Sorry;

I was so much concerned about the calcualtors that I forgot to mention that fact. As Michel mentioned many old models, I did not take into account these wonderfull machines were not easy to find. all of them.

Thanks Jim and Glen.

#10

Bought it myself when I graduated high school.

This was after a TI SR-16II, TI SR-51A, an SR-52 card programmable, and a TI-58C with constant memory.

Saw a brochure for the 41c with alpha characters and never looked back.

Gene


#11

Same here. I'd gone through various cheap machines while at school, got a TI-58 for university, didn't like it, got an HP-33 to replace it, was impressed, saw an ad for the 41C, was instantly smitten, and also never looked back. There's a fuller account here, for those with a few moments to spare: http://www.limov.com/rcl20/chapter.lml

#12

I have never received a calculator as a gift even though the people that know me know that I like calculators. My first calculator was an HP25. I bought it in December, 1975.
Well, I have bought many more calculators after that.

#13

Let's see, 4 function National in about 1971/72, APF Mark 51 full scientific in 1975 complements of Sears, SR 50A, 51A and SR 56 in 1976 along with some other models like Commodore scientifics (Sears) and the APF Mark 55 rpn, 1977 Commodore M55 and HP29C and some lessers, 1978, TI 58 and others, 1979 Sinclair Programmable anfd others. Early 80's, HP 15C and TI 58C.


#14

I have the N60 and S61, but haven't been able to grab an M55 yet. Those were the most specialized beasts ever made.

#15

Started on a TI in high school, a TI-55, I think. 9 or 10 registers, 7 or 8 instructions per register OR registers could store 1 number. Got old quite quickly.

In college many others bought what I think was a CASIO. It was 6-7 inches wide, 3 inches tall, QWERTY keyboard, programmed like a computer.

I remembered my youthful facination with the HP calcs with 3 functions per key, and took someone's advice to buy a 15C.

Then I (uncontrollable sobbing, beating my head against a wall, ...) SOLD IT and bought a 41CV (with many of the toys, of course). I DIDN'T THINK I WOULD WANT THE 15C YEARS LATER!! PLEASE FORGIVE ME MY UNPARDONABLE SIN!! :```-(

Plug-in modules, IR wand, card reader, 28C, 28S. Next?


#16

My mother bought me a Tandy four banger in High school (1978) and I wanted a real scientific instead (but didn't want to hurt Momma's feelings). Suffered for almost a year, bought a Ti-30 as a senior (didn't know any better), got to college and promptly bought a Ti 55 (stats measured up to an HP at 1/2 the cost, HOW LITTLE DID I KNOW). Left school but came back into engineering and my Ti 55 promptly suffered keyboard bounce failure. I bought an Hp15c and NEVER LOOKED BACK. It is my favorite, though I later upgraded to a 42s (best pocket calc ever). Neither get much use, since I now use a 48gx (great calc with memory cards). (Because, while I would feel bad about losing a 48, I wouldn't need therapy, should I lose my 15c or 42s).

#17

My first calc was a ti sr50 in 1974. I used an hp35 in 1974 when I visited a friend at another college. The first hp calc that I owned was an hp34c which I still have, but it is non-functional at the moment.

Not necessarily comprehensive, but here are some others I have owned:

hp34c,15c,32sii,41c/cv/cx,71b,48gx,20s,19bii,6s&solar, 49g,30s

sr50,51a, ti58,58c,59,66,baii-plus

the sinclair rpn programmable, a couple of radio shack/sharp pocket computers, radio shack ec4021

I recently purchased a fully functional ti58c from an antique store for $5, so of the above, I still own the following:

hp15c32sii48gx,20s,19bii,6s,30s. (I pulled the batteries from the 49 and put it in long term storage -- just don't like it for a variety of reasons.)
ti58c,66,baii-plus. I have backup models for the hp20s,hp32sii,tibaii-plus.

I have and use a number of contemporary calcs not mentioned above. [I am a community college adjunct math instructor.] These include the ti83silver, ti86, ti89, ti92plus. I also have a ti 25,30xiis,34ii,34,36xsolar; assorted versions of casio 115,250,260,300; assorted versions of sharp 500,501,506,531; and a variety of other models that I have probably forgotten to mention.

I tend to rotate usage of these calculators so that the batteries don't go bad. I always carry a 32sii with me in my briefcase as well as one of the ti graphing calculators for teaching purposes. I like to carry another calculator with me as part of the rotation strategy. BTW, the worst of these calculators is the sharp 500, probably the only scientific calculator that might be less accurate than a slide rule.

As the batteries run out on some of these calculators, I just remove them and put the calculator away. I have done this for the casio 250, and will do this with most of the calculators that require a screwdriver to replace the batteries since I don't want to keep hassling with this.


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