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Indirection was available via the i variable which was distinct from the I variable.

Unlike most previous models, this one checked for duplicate labels and produced an error message. (Like A01.) For very long functions, the next 100 lines were displayed as A.01-A.99 and the next hundred as A,01-A,99. To aid in navigating programs, line numbers began with the most recent label followed by two digits. The calculator used label addressing and allowed subroutine nesting to seven levels deep. The programming features were impressive for a calculator of its price. This was handy for debugging since it didn't affect the stack. A single variable could be displayed without entering it on the stack by pressing VIEW followed by the letter. All the variables could be scanned with the VAR command. The letters A-Z where printed to the sides of the keys. When RCL or STO was pressed, an A.Z annunciator appeared. The lettered variables were not allocated from memory until used and they could be individually deallocated by simply storing 0 in them. While these variables were used in much the same way as numeric registers, they were more than just a relabeling. The calculator used the 27 lettered variables A-Z and i (indirection) rather than numbered variables. The Functions that could be prefixed with CMPLX were:īecause there was no complex "mode" and no "complex stack" as on the HP-15C, complex numbers were each entered into two levels of the normal stack. Instead of the HP-15C's complex mode, the HP-32S had just one mode but allowed the CMPLX key to be used as a prefix to the other functions in much the same way other calculators used HYP or ARC prefixes on trigonometric functions.

Obvious error messages (like Divide By 0.).

Variables instead of numbered registers (see below.).

Complex Arithmetic functions (see below.).

(With windowing to view long binary numbers.)

Binary, octal, decimal and hexadecimal bases.

Numeric integration (of RPN functions.).

Basic scientific functions including hyperbolic functions.

You can choose between algebraic entry-system and RPN logic.

The calculator has a memory protection feature that retains the last calculation when switched off.

It comes with more than 100 built-in functions and 800 memory registers.

It is ideal for medicine, science, surveying, SAT tests, ACT, AP Physics, AP Chemistry, PSAT, etc.

The LCD display has 2 lines and can show 14 characters and indicators.

It works on 2 CR2 batteries, which are included in the packaging. HP 35S Scientific Calculatorįirst on our list is the HP 35S model, which is a suitable choice for professionals and students alike.

Make sure you examine their features closely to determine which one suits your needs the best. Now, let’s dive directly into the top calculators from HP, according to our experts. Professionals can, of course, invest in a high-end calculator.īest HP Scientific Calculators – Editor’s Choice You need to be sure that the calculator is reliable and affordable at the same time, especially if you are a student.

Cost: Cost is an important parameter as well.

That is why memory protection is a must-have feature. But what if you were in the middle of a calculation? You wouldn’t want to lose that. Memory protection: Idle calculators often power off to save energy/battery.A single-line calculator may not be enough. Display: Choosing a display that can show complex equations in 1 go is recommended.So, outlining your needs is very important. This holds true for all options out there. If you are a real estate professional, you will need another device. If you are a finance student, your requirements will be different. Usage: Different calculators have different functions.Here’s a short checklist that will help you zero in on the right product from HP: They are all reliable, of course, but you must choose based on your requirements to be able to make the most of them. The company has a range of calculators devised for specific purposes. In the world of scientific calculators, HP stands tall and strong as a frontrunner.

HP 15C Limited Edition Scientific Calculatorīest HP Scientific Calculator About The HP Scientific Calculators