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Business Stationary Mart - HP 35s Scientific Calculator
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List Price: $59.99
Our Price: $49.99
Your Save: $ 10.00 ( 17% )
Availability: Usually ships in 24 hours
Manufacturer: Hewlett Packard
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Average Customer Rating:  
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Binding: Electronics
Brand: Hewlett-Packard
EAN: 0883585142859
Feature: Robust and economical scientific calculator
Is Autographed: 0
Is Memorabilia: 0
Label: Hewlett Packard
Manufacturer: Hewlett Packard
Model: F2215AA#ABA
Publisher: Hewlett Packard
Studio: Hewlett Packard
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Features
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Robust and economical scientific calculator
100+ built-in functions; 30 KB memory with 800+ registers
Supports RPN and algebraic data entry
2-line, 14-character display
1-year limited manufacturer's warranty
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Spotlight customer reviews:
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Customer Rating:
Summary: Proper successor to 32SII
Comment: Background: I have a 48G, 32SII, 33S, 12C, and now 35S. I have also used the 32S. I have mostly used the 32SII, but have switched to the 12C to balance my checkbook.
The 35S is much better than the abortion that was the 33S. It gets back to the standard grid layout, easily readable labels, and overall arrangement of the "good old calculators" as exemplified in my mind by the 32SII. In this review, I would just like to nit-pick at various things in the hopes that HP engineers might read these little criticisms and maybe fix them in a later version. But here is my plea: don't make a new version just to fill some business need to have a new model every year. You can do that with the graphing calculator and the mainstream Algebraic models, but please don't mess with the hardcore science and engineering calculator models without good reason. Think about it: there is a reason why 32SII's are still going for $150+ in auctions. There is also a reason why you have been able to sell the 12C unchanged for so many years. Come to a design, "perfect" it and sell it year in and year out. I can see this happening with a 35SII which corrects the minor mistakes of the 35S. Or even just start making the 32SII again and sell it for $100 or whatever it needs to cost in order to make it to the previous quality standard. It is wonderful to see HP admit its mistakes with the 33S and take a step back to the heritage designs. Anyway, to the nit-picking:
1) I don't like having the shifted labels on opposite sides of the keys. The orange shifted functions are printed above the keys, while the blue shifted functions are printed on a beveled, lower part of the key itself. This makes it hard to scan for the function I need, as now I have to read 3 lines (top, main function, bottom) instead of just 2 like on the previous scientific and graphing designs like 32SII, 33S and 48 series (although it represents a crossover from the older 12C and similar designs). This is especially troublesome on the unit conversion shortcut keys. I am fine with having the alphabet labels on the beveled edge.
2) Arrow keys and menus (holdover complaint from 33S). While arrows are somewhat more intuitive, I prefer the 32SII style of being able to select every option with a single press instead of navigating with the arrows and then hitting "Enter". Mercifully, there are numeric shortcuts for most menu options, but this is not the case for verification of "Y" and "N" when selecting Clear -> All. Given the key layout, and given that there are usually 4 options displayed per screen, it would be nice to have each option mapped to the top row of keys, A, B, C, D instead of 1, 2, 3, 4, since it is harder to look from the screen down to the bottom of the calculator than to the row right below the screen. I understand that on multi-page menus the later options are numbered 5, 6, ... which makes for quicker selections for those who have the menus memorized, and I don't want to get rid of that; instead I suggest the A, B, C, D as an additional way of selecting a menu option.
3) I would like to have separate "STO" and "RCL" keys, and have both of them also labeled with a variable letter. One of my favorite shortcuts on the 32SII was hitting "STO" twice quickly, storing to the "G" variable and then being able to quickly recall it with a rocking two-finger motion on "RCL" and "STO". "G" and "H" were my most often-used variable labels, as they were so handy with quick manipulation of the "STO" and "RCL" buttons.
4) On a scientific calculator, I feel that having a dedicated ln and e^x is important, with the shifts respectively being log and 10^x. I understand and appreciate the logic of the placement of these 4 functions on the current 35S, but still they should be dedicated keys instead of shifted.
5) MODE doesn't deserve its own button. I would much rather have separate STO and RCL than have a non-shifted MODE. I also agree with the previous comment about having all the menu buttons in the same place. I suppose that having the BASE button within the main function area is a bonus, but it doesn't make up for the horrific implementation of base arithmetic.
6) Having to page over to display exponents? The previous 32SII, 33S etc. had it right: show the entire exponent, and if we want to see the entire mantissa then we will have to press "SHOW" (shifted on "ENTER" as always).
7) Lack of a printed manual. Apparently HP originally included a printed manual, but now (just received mine from Amazon today) they are just including a CD with the manual on it in PDF format, along with a very brief "Quick Start Guide". While I can obviously understand the reasoning here (added cost, waste of paper and packaging space, transportation costs, etc.) I would at least like the option to buy a printed manual on the HP website or something.
Customer Rating:
Summary: This Calculator is solid. Excellent quality and price.
Comment: Let me start with WOW. Considering that the last couple of calculators that HP has produced left much to be desired in quality and performance. This little calculator harkens back to the days when HP was tops in quality and performance when it came to Programmable Scientific Calculators. The keyboard is much closer to the HP 41C in feel and performance. The layout of the keys and the look of the calculator has gone back to a more traditional looking HP calculator. It is a full featured Scientific Programmable and the price point is outstanding.
Way to go HP ! Finally, you guys seem to be moving in the right direction in the calculator division.
Customer Rating:
Summary: Good calculator, but not perfect
Comment: The relatively new HP-35S is a nice improvement over previous model (HP-33S) and a step in the right direction. It seems that the marketing people who run HP have realized that there still is a demand for high-quality, reasonably prices calculators.
Pros: The funcionality, build quality, case, etc. are good for current price-point. Of course, HP could design and build a better product, but it would come at a price. The design is much nicer than the previous model, and HP has corrected some of the quirks which were enoying in the HP-33S (location of the [ENTER] key, entry of complex numbers, limited number of memory registers for a 32kb memory).
Cons: There are some ergonomic and functionality issues. They may or may not be important to some people, but it would be nice if HP could fix them for the next release of this product (and call it HP-35Sii). Here are the ones I noticed so far:
- The location of some of the keys is confusing. For example, in the good, old HP-32Sii, all left-shifted functions in the top row were actually menus. Simple to remember and intuitive. In the HP-35S the functions that open selection menus are randomly distributed all over the keyboard. I'm sure that with time and practice I will learn their location, but the keyboard layout of some older HP calculators was more logical.
- The polar-rectangular conversion functions have disappeared. I find it difficult to understand why would HP eliminate such basic and useful functions. Granted, one can use complex numbers formats to do the conversion, but the process is cumbersome, and extracting individual parts in rectangular mode is cumbersome. Of course, one can also write a simple program to get around this issue, but it still defies my logic why the function is not there.
- Operations in hexadecimal, octal and binary mode are very cumbersome, require too many keystrokes, and can easily be mixed up resulting in the infamous "SYNTAX ERROR" message.
There are also some other details, that in my opinion are not real problems, but may be an issue for others. The input and operations in ALG-ebraic mode are done differently to a "normal" calculator. For example, to calculate 5 times sine of 30 deg. one have to type:
5 [x] [SIN] 30 [ENTER]
while on a "normal" calculator one would type:
5 [x] 30 [SIN] [=]
While this may seem a bit confusing in the beginning, the HP-35S mode is actually the correct way of doing things in the pre-fix notation. The real problem is that common calculators' operating system is a mix-up of pre- and post-fix notation. However, we have been using them so much that by now everybody accepts this aberration as something normal. But once you grasp the logic of the HP input, it is very intuitive.
Actually the ALG-ebraic mode of the HP-35S is pretty useful. While RPN is still much more efficient for quick calculations, the advantage of the ALG mode is that now one can write a long equation, evaluate it, and easily got back to correct mistakes or re-evaluate the equation with different arguments. This was not possible in the previous execution of ALG mode in the HP-33S, and is more consistent with the notation and syntax of graphic calculators / computers.
Now, with all the critique, I'm still happy that HP has brought back a quality calculator after a period of releasing products that frankly were an insult to the HP tradition. The HP-35S is a good, versatile, and powerfull tool for students, engineers, and scientist who want the convinience, functionality and computing power of a programmable pocket calculator without the cost and size of a graphing calculator. Hopefully, HP will fix the minor problems and release an updated version of the HP-35S, together with a next generation of powerful, quality and affordable calculators.
Customer Rating:
Summary: Best choice for the price
Comment: After the stealing of my all-time favourite HP 15C, I was looking for a good substitute. HP 35s represents the best choice for anybody that needs a powerful and easy to use calculator. RPN could be difficult at the beginning but it is a great invention!
Strongly recommended as general purpose scientific calculator.
Customer Rating:
Summary: Very good calculator
Comment: I purchased this calculator to replace my aging HP 41CV. In a lot of ways, it does just fine. I really like having the ENTER key where it has been on previous HP calculators. The layout of the functions seems to make good sense. My only complaint is the lack of multi-letter alpha-numeric input. This limits your input and output prompts to one-letter labels. This is a step back from what the good HP calculators used to have - too bad.
But it's good, small, light, not too expensive. I like it better than the HP 33s.
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Editorial Reviews:
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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.
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