##### Pros

##### Cons

The HP 35s replaces the HP 33 s model as the top of the range model in non-graphing scientific calculators from HP. It's case and keyboard are retro-styled in tribute to the HP 35 model from 1972 which was the world's first mass-produced pocket scientific calculator. It features a 2 line x 14 character display with additional annunciators, RPN or algebraic input, 31K of user memory, full programmability with direct and indirect registers, 42 inbuilt physical constants, unit conversions and a simultaneous equation solver in addition to the usual transcendental functions. The calculator works internally to 15 digit precision. Many features are carried over from the HP 33s model (which itself emulates the now defunct HP 32 SII model) with a number of changes to address that model's known usability issues. The main differences are in the keyboard which has a more conventional layout with a more legible colour scheme and a clearer dot matrix display with wider spacing between characters and a larger radix. There is however no direct operation in complex number mode with rectangularpolar conversions now being a function of the selected display mode. There is also a fraction display mode which allows entry and display of results in either decimal or fraction format and time calculations are also possible.

## Amazon Best Sellers Rank

## Versions

**PG title:***35s Scientific Calculator***Amazon title:***HP 35s Scientific Calculator***ASIN:***B000TDRHG8***UPC:***883585253968***MPN:***F2215AAABA***EAN13:***883585142859*

## Edit Information

**Initial Product Description***Oct 24, 2014 at 03:24 AM***Started By***Hewlett-Packard***Last edited***Oct 24, 2014 at 03:24 AM***Last contributor***Hewlett-Packard***Number of edits***4***Number of contributors***1***Top Contributor***Hewlett-Packard*

## Onepuff

With a few refinements to the menu system and complex number operations, this could be the finest non-graphing scientific calculator on the market.

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