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HP 35s Scientific Calculator

Product #F2215AA#ABA
 
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Back Features

Get professional performance from HP’s ultimate RPN scientific programmable calculator—ideal for engineers, surveyors, college students, scientists and medical professionals. Scientific projects require accuracy, functionality and dependability for success. The HP 35s scientific programmable calculator delivers them—and more—with features that include 30KB user memory, your choice of RPN and algebraic entry-system logic, a convenient two-line display, and the time-saving HP Solve application.


Return & exchange information

HP.com will accept returns or exchanges for this product up to 30 days after delivery.

Back Specs

Product specifications

HP Data Sheet

Best used for

Engineering; Surveying; Science; Medicine

Permission usage

SAT Reasoning Test; SAT Subject Tests in Mathematics Level 1 and Level 2; ACT; PSAT/NMSQT; AP Chemistry/Physics; PLAN; EXPLORE

Built-in functions

Over 100

Memory registers

800

Memory

30 KB

Power

2 x CR2032 batteries; battery life: 0.73 year @ 1 hr/day (approximately 9 months)

Power off memory protection

Yes

Auto power off

10 minutes

Display

Adjustable contrast with 2 lines x 14 characters + indicators, 14 character dot matrix (5 x 7)

Display type

LCD

Dimensions (W X D X H)

3.23 x 0.72 x 6.22 in

Weight

4.4 oz

Warranty

1 year warranty (may vary by region)

What's in the box

Calculator, batteries, user manual, premium protective case

Return & exchange information

HP.com will accept returns or exchanges for this product up to 30 days after delivery.

Back Special offers
  • Free shipping & free returns

Product reviews


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Rated 2 out of 5 by from I love the retro design I have owned many HP rpn calculators, I can't even use an algebraic calculator reliably. This is a wonderful little calculator in theory, but the quality is lacking, when compared to previous models. For a lack of alternatives, I just ordered my second one today. The buttons stick and aren't reliable. I hope I get a good one this time.
Date published: 2016-11-17
Rated 3 out of 5 by from Good but quality so-so I've had my 35s for several years now. It's nice, but I really miss the tough build quality of older HP calculators like the 32Sii or the 15C. The tactile feedback was better than on the 35s. The two line display is quite nice on this calculator, though. I buy HP because of RPN. Your spec page doesn't even mention it. If you don't know of the benefits of RPN, it may go unnoticed. Without RPN, which was always the killer HP feature, this would be just another calculator to me. I hope the calculator designers at HP will go back to the former quality. This 35s with superior build quality would blow everything else away.
Date published: 2016-11-05
Rated 3 out of 5 by from Poor build quality I have to chime in with the poor build quality reviews. I use this as a basic calculator occasionally getting into the geometrical keys and more often unit conversions. Since the financial calculators don't offer these functions and the graphing calculators are huge overkill this is my only choice. I'm saying only choice because I can't use a non-RPN calculator. My mind just doesn't work that way. Please HP find a manufacturer to build to a quality calculator. It doesn't seem right to have to buy a new one every two years or less.
Date published: 2016-09-23
Rated 4 out of 5 by from Fine little calculator As a die-hard HP calculator user for over 20 years, I've found this to be a good calculator, but not as handy as the previous keyboard layouts. You can tell that the designers didn't use the old classic HP calculators and weren't users of calculators. The complex arithmetic entry system is excellent (complex arithmetic is common in my field). This one feature is why I stick with this calculator. Having X and Y registers displayed is a nice touch. The base conversion is so obtuse that I never use it. I use my HP32S or computer for base conversion. The X<>Y key is in the wrong place. They should have swapped the () and X<>Y keys. You use HP calculators for RPN, not algebraic entry! Entering an exponent like 10^3 requires entering 1E3 instead of E3. The previous models allowed E3. In my 4+ years of owning this calculator with daily use, I haven't had any problems with the keys.
Date published: 2016-09-15
Rated 1 out of 5 by from Owned multiple HP35 calculators with same result Keys fail within months of buying. Thought it was just a bad apple but problem occurred on every calculator purchased.
Date published: 2016-08-15
Rated 4 out of 5 by from Excellent Capability, so-so manufacturing I like this calculator, I actually have two. It is larger but easier to use than my 15c, I like seeing both the X and Y registers and the programming is easier too. The only problem is after a couple years the keys start giving out. I wish it was made better, especially with the $50 price tag. I also wish there was an android emulator. It could be much better with a little effort from HP to improve quality control and provide quality emulators.
Date published: 2016-06-21
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