confessions of a rocket scientist

Use of HP calculators in engineering and science. Submitted for HP 35 year calculator contest

Category:

Entertainment

Tags:

• HP
• calculator
• contest
• aerospace
• slide
• rules
• hp
• 35
• year

[arenics]

how this "calculator rule" does works ? how is it used ? I'm engineering student and I never see one of that before...

[geraldalb]

I presume you are asking about the slide rules. They are imprinted with logarithmic scales such that you can move the middle part to line up numbers of interest and see the result of multiplication, division, exponents, and values for sines, cosines, tangents. They are all we had to use before 1972, unless we used books of tables, except for simple multiplication and division.

[nelipotfootfree]

Those of you who say that HP's quality has gone downhill in recent years, try the new HP 35s.

[marceloyanez111]

great vid. have you tried the new 35s?

[Vermiliontea]

@deadrabbit666666 The HP 35S is not a RPL-system calculator. It's kinda primitive, more like HP's old programmable calculators, before the RPL-families: HP 28, HP 48, HP 49/50. I could never go back to that. I almost exclusively use and depend on my own custom functions, which I access from custom menues. Only a masochist would deal with the old register type of memory management. And only a masochist would deal with algebraic calculators, Thus there is only the HP 50G today.

[blajsad]

Waiting for my new HP 50g to arrive ^^

[blajsad]

I am a proud owner of a slide rule and an HP 35s. I also have a Texas Instruments TI-83 Plus.

[xrvjorn]

Interesting tech history! I wrote HP-41 software back in the early 80's, used in the field by surveyors in a natural gas pipeline project. When computer time was still expensive, programmable calculators did quite a bit of computation work in the engineering field. Your video is a nice reminder of the glory days of scientific calculators!

[netsurferx1]

Nice collection! I've recently snagged a HP-41CX & a HP-15C. Awesome, awesome machines! This is my first real dealings with RPN, & I'm finally starting to get the hang of it.

[deadrabbit666666]

I have heard the 35s looks like the early pioneer calculators but does not function as well. I have a 50g and a 42s myself and am content with them.

[DrMR2002]

I own a few hp calculators over the years, one of which was a HP48sx, but due to could not provide a capable CAS. Decided to replace it with a ti 89, tried something different, but in the end ended up getting a HP 50g, mainly was accustomed to the old HP and RPN feature on the HP 50g is worth the money which I find much better for scientific/engineering applications, just didn't like the ti89 to much, felt a little lost and frustrated with the ti89, it doesn't seem as what I had expected.

[liawkaiping]

@Burningplasma i play music on my HP-41.