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HP 33s

Scientific Calculator

Ultimate pocket size performer

Professionals and college students have the flexibility no 
other scientific calculator can offer with the choice of RPN 
or algebraic entry-system logic. 
• Choose between RPN or algebraic entry-system 

logic—no other scientific calculator offers both 

• Completely programmable—work more efficiently 

with keystroke programming

• Handle the heaviest workloads with ease with 31 KB 

of memory plus 27 independent storage registers

• Store an equation then use again to solve any variable 

using HP Solve or use 100 built-in functions

Accuracy and efficiency

The HP 33s continues to deliver with a large 2-line alpha numer-
ic display with adjustable contrast, a robust library of built-in
functions and constants. 
• Large 2-line display with adjustable contrast to easily view

entries, results, menus and prompts

• Simplify physics with 40 built-in physical constants, 

plus a complete library of unit conversions

• Get accurate results with edit, undo and delete capability 
• Enjoy a compact size and comfortable rubber side grips 

that are designed for the mobile professional

Power and functionality in one

The programmable HP 33s features enhanced capabilities
including single and two-variable statistics, base-n functions, a
strong mathematics package, unit conversions and a powerful
fraction mode. 
• Use strong statistics functions for single and two-variable 

statistics, linear regression and more

• Use base-n functions for binary, octal, decimal and 

hexadecimal number calculation and conversion

• Power to calculate inverse functions, cube root, logarithms,

exponents, factorials and more

• Take advantage of a powerful fraction mode plus 

fraction-to-decimal conversion

HP quality and support

Have confidence that every time you turn on your HP calculator,
every calculation you make, results in dependable, worry-free
performance and accurate results.
• Rely on HP quality and award-wining support—

online and by phone

• Get the most from your calculator, visit 

www.hp.com/calculators for downloads, tutorials and more

Get professional performance from the ultimate RPN*
scientific programmable calculator. Switch between RPN and
algebraic entry-system logic at any time. The HP 33s features
a two-line display, and the powerful HP Solve** application.

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