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1. Hp 35s model rpn scientific instruction book how to#
2. Hp 35s model rpn scientific instruction book manual#

This is my fourth HP RPN pocket calculator.

Hp 35s model rpn scientific instruction book manual#

For basic scientific calculations, it’s trivially easy to use for those proficient with RPN, but other functions (base conversion, equation solving, programming, fractions), you’ll need to refer either to the (very good) online manual or other online reference. In short, it’s a very good RPN calculator, that will be easy to use for HP fans, others not so much. There are a few extra keystrokes required that are far from obvious.

Hp 35s model rpn scientific instruction book how to#

For numerical base conversion (binary, octal, decimal, hexadecimal only), it’s not overly difficult to use, but does require reading about how to do it. However, there are probably better choices for non-RPN calculators if you have no use for RPN. This device does work in Algebraic mode, so if you need to loan it to someone who doesn’t understand RPN (or if you don’t understand RPN), it’s still good for that. It comes with a nice sleeve-style case, similar to the HP-15C.

The unit also weighs a lot less than a smartphone with a battery pack attached. It feels a bit cheaper than older HP models, but its keys feel better (to me, anyway) than the flat screen on a smartphone’s calculator app. Unlike the other HP calculators I mentioned, this one additionally handles fractions as fractions (if desired), has a better way of displaying imaginary/complex numbers, has metricUS unit conversion (which admittedly is mostly useful here in the USA, or in other countries when attempting to understand our silly measuring system), and has a lot more storage. Otherwise, for scientific and math purposes, this calculator does very well. If you need the financial wizardry of the HP-12C, stop here, and go order one of those. If you’re used to the HP-15, HP-67, HP-41, there is almost no learning curve with the primary functions of this calculator. After a quick perusal of the reviews, and a bit more research, I ordered one. I was looking for another (second) RPN calculator, and happened onto this item on Amazon. It’s a wonderful calculator, and is no longer being manufactured by HP. In 1987 (?) I got an HP-15C, which I still have…and still use. I finally got my first HP in 1978, an HP-67 programmable calculator (which I still have, but unfortunately, it no longer works). My first handheld electronic calculators were TI scientific calculators, but I really wanted HP, mostly because of RPN and overall quality. Direct connect over the head headset headphone, No additional amplifiers or adapters required.