HP 40gs
Graphing Calculator
This ideal classroom graphing tool uses Computer Algebra
System (CAS), familiar algebraic entry-system logic and
displays answers in symbolic, numeric, and graphing views.
Create and store Aplets with 2.25MB total memory**.
Enhanced classroom power
Math and science students will benefit from algebraic
entry-system logic and easy-to-use interactive tools.
• Perform complex arithmetic and calculus functions with
Computer Algebra System (CAS)
• Improve problem solving and learning opportunities with
symbolic, numeric and graphic views
• Easily create and use Aplets to assist in learning
• Review and work with your data using interactive
history, notes and sketch capabilities
Complex problem solver
Complex problem solving is easier on a large, dynamic split
screen with adjustable contrast and 2.25MB of total memory**.
• Easy readability on dynamic split screen with
adjustable contrast
• Get outstanding performance and ample storage with
2.25MB of total memory (2MB Flash + 256KB RAM)**
• Tackle tough problems with over 750 built-in functions
plus powerful HP solvers and applications
• Use a built-in library of 29 constants and easy metric
unit conversions for math and science
Designed to be efficient
Access online applications and share data through a variety of
connectivity options. Improve accuracy with HP click-style keys.
• Download and share data with PCs and other devices
using USB and serial ports
• Reduce keying errors and improve accuracy with unique
HP click-and-rotate keys
• Increase protection and improve portability using slide-on
hard cover
• Get added flexibility using on-screen dynamic menu options
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
HP 40gs
The HP 40gs Graphing Calculator includes
all the features of the HP 9G plus:
• Computer Algebra System (CAS)
• Symbolic, numeric and graphic views
• Linear equation solver and triangle solver
HP Part Number
75Mhz ARM9
Display size
131 x 64 pixels (7 lines x 33 characters + 2 line header + 1 line menu)
Display Type
USB and serial ports for connectivity to PCs,
other HP 40gs calculators and peripherals
Entry-system logic
Built-in functions
Over 750
Menus, prompts, etc.
Internal precision
15 digits
2.25MB total memory (2MB Flash + 256KB RAM)**
AAA x 4 + CR2032
Power off memory protection
Auto power off
5 minutes
Size (L x W x D)
18.7 x 9.4 x 3.1 cm (7.4 x 3.7 x 1.2 inches)
Enclosure material
Key top material
Approximately 249 g (8.8 oz)
What's in the box
Calculator, slide-on protective cover, batteries, user manual, USB cable, unit-tounit cable and CD with connectivity software, Aplets and advanced user manual
1-year warranty (may vary by region)
Subject suitability
General mathematics, Algebra, Trigonometry, Statistics, Geometry,
Biology, Chemistry, Physics, Earth Sciences
Permitted for use on
SAT® Reasoning and SAT® Subject TestsTM in Math 1 & 2, ACT, PSAT/NMSQT,
AP Chemistry/Physics, AP Calculus/Statistics, PLAN, EXPLORE*
© 2007 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change
without notice. The only warranties for HP products and services are set forth in the express warranty statements
accompanying such products and services. Nothing herein should be construed as constituting an additional
warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.
*ACT®, PLAN® and EXPLORE® are registered trademarks of ACT, Inc., which was not involved in the production
of and does not endorse this product. For more information, go to www.act.org. AP Calculus requires a graphing
calculator. Any scientific or graphing calculator (Excludes models with QWERTY (i.e. typewriter) keyboards,
electronic writing pads, and pen-input/stylus-driven devices) is permitted for the following College Board tests:
AP Chemistry, AP Physics, AP Statistics (a graphing calculator with statistical capabilities is expected), PSAT/NMSQT,
SAT® Reasoning and SAT® Subject Tests™ in Mathematics Level 1 and Level 2. For more information, go to
www.collegeboard.com. Policies are subject to change. AP® and SAT® are registered trademarks of the College
Board. PSAT/NMSQT® is a registered trademark of both the College Board and National Merit Scholarship
Corporation which were not involved in the production of and do not endorse this product.
**Flash ROM memory is for system upgrades only and is not available to the user.
To learn more, visit www.hp.com/calculators
4AA1-0863ENUC, June 2007
2.25MB total memory (2MB Flash ROM + 256KB RAM)**
Enhanced connectivity with serial port, USB
Adjustable contrast for greater readability
Built-in constant library
Slide-on hard cover included