The new HP 50g Graphing Calculator provides optimum power, flexibility and connectivity for math, science, and engineering professionals, as well as college students. Featuring a more capable SD card slot, 2.5 MB total memory (512 KB, 2 MB Flash ROM), RS232 and USB connectivity, and a built-in intelligent editor,

A large, high-contrast display clearly shows every important part of a formula, calculation, or graph.

The 50g boasts expansive memory, thanks to an SD card slot. View larger.

this system gives you more capabilities than ever before. Compact, portable, and simple to operate, the 50g features a 30 percent increase in usable space over the HP 49g, and handles complex computations with ease.

Powerful, Innovative Design For Fast, Accurate Computation
The 50g features easy-to-use, powerful tools that students and professionals can rely on for years of performance, including built-in graphing functions, constants, and applications. This calculator also offers built-in lessons and step-by-step problem solving examples to help illustrate abstract concepts. Choose between efficient RPN (Reverse Polish Notation), Textbook, or Algebraic data entry and rest assured that expansive memory (with SD card slot) means the 50g can handle even the most complex calculations. Graphing features include 2-D function, polar, and parametric plot, as well as 3-D, differential equation, and bar plot.

The 50g's large, high-contrast display with adjustable font type and size clearly shows every important part of a formula, calculation, or graph so you'll be able to clearly read and analyze your results. In addition, you can isolate and evaluate sub-expressions using the intelligent editor, while also cutting, pasting and copying objects as needed. Finally, the large equation library and over 2,300 built-in functions make this calculator ideal for both professionals and students.

What's in the Box
50G graphing calculator, batteries, user's manual, CD (connectivity software and advanced user's guide), USB cable, and premium pouch.

Average Rating: (Based on 198 customer reviews)

Powerful HP 40gs graphing calculator tackles toughest problems for students with 600+ built-in functions First to offer Computer Algebra System (CAS) at entry-level price Powerful HP 40gs graphing calculator tackles toughest problems for students with 600+ built-in functions First to offer Computer Algebra System (CAS) at entry-level price the HP 40gs graphing calculator, a user-friendly classroom graphing tool for secondary school students and teachers. The HP 40gs graphing calculator incorporates a host of innovative features, including an easy-to-use Computer Algebra System (CAS) with three viewing options, familiar algebraic data entry and a large split screen. Students also benefit from no-compromise performance thanks to 256KB memory for creating and storing aplets and notes, a USB and RS232 serial port for easy PC connection and durable slide-on protective case. CAS: visual answers to advanced problems Engineered for performance, easy-to-use CAS boosts student comprehension with dynamic equation solving. Maths and science students are able to develop key learning skills and understand complex concepts, thanks to symbolic, numeric and graphing views. Interactive history, notes and sketch capabilities also allow students to review and interact with data for a richer learning experience. Additionally, familiar algebraic data entry makes complex calculus, trigonometry and science problems a breeze. Built for performance For crystal clear viewing, the HP 40gs boasts a large, LCD split screen with adjustable contrast for enhanced legibility. This impressive display is perfect for viewing data entry and reviewing complex calculations. With its onboard library of aplets - plus more that can be downloaded or created - and extensive memory, the HP 40gs brings remarkable power to the fingertips of the world's future scientists, engineers and mathematicians. The convenient USB connection - cable and software included at no extra charge - gives students and t

Average Rating: (Based on 4 customer reviews)

HP39gs Graphing Calculator

Average Rating: (Based on 4 customer reviews)

The 48gII from HP is a graphing calculator designed for engineering, surveying, math, science, and statistics applications. With its large built-in library of functions and structured programming for creating applications, the 48gII is a powerful computational tool. The 131-by-64-pixel display is easy to see, while the textbook, traditional algebraic, and RPN entry modes provide an easy way to enter data and navigate the calculator's many features.

The 48gII comes with over 2,300 built-in functions, including vector operations, math functions, scientific functions, graphing functions, statistical functions, programming functions, 3D graphing, 2D and 3D plots, and much more. An automatic power down feature helps maximize battery life, while 80.7 KB of user available memory provides space to store variables, expressions, and formulas for improved functionality.

The built in serial and IrDA ports let you communicate with a computer, another 48gII, or a 49g+ calculator, allowing you to store and analyze information and utilize PC-based applications. Weighing only 7.7 ounces. the 48gII is easy to transport and has a small 7.2-by-3.4-by-0.9-inch frame. It is backed by a limited one-year warranty.

What's in the Box
Calculator, user's manual, serial cable, software, three AAA batteries, one CR2032 backup battery

Average Rating: (Based on 13 customer reviews)

Item #: HEW49GPLUS. 49g+ Programmable Graphing Calculator
Display Window—131 x 80 pixels
Display Notation—Graphic
Storage Memory—2.5MB
3-D Graphing
Graphs, Rectangular Functions
Graphs, Polar Equations
Graphs, Parametric Equations
Graphs, Differential Equations
Interactive Zoom
Programming Steps/Storage—1.13MB
Programming Subroutines
Hypothesis Testing
Confidence Interval Calculating
Hyperbolic Functions
Trig/Log Functions
Base Conversions & Math
Logical (Boolean) Operations
Simultaneous Equations
Calculus Operations
Matrices
Complex Numbers
Polynomial (Quadratic) Equations
Equation Editor
Equation Playback
Direct Algebraic Logic
Simple Scientific Functions
Variable Statistics—Two
Size—3-3/8w x 7-1/4d
Replacement Batteries—3 AAA (EVEE92BP4) + 3.0V Lithium (EVEECR2032BP), sold separately
I/O Port
USB Cable Included
Over 2,300 built-in functions. Operating batteries are included.

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Average Rating: (Based on 84 customer reviews)

Item Name: HP 48GX (128KB) graphing calculator - used. Cosmetic Condition: Good Perfect Working Condition HP 48GX Expandable RPN Graphing Calculator with two expansion card slots This item has been discontinued by the manufacturer. We have a limited number of used calculators available at the price listed on this page; once they are gone we'll likely stop carrying this model. These used units have been verified by us to be in good condition and in working order. Includes cable and batteries. Does not include: Manuals or manufacturer warranty. Returns will not be accepted for this item, but we will repair or replace defective units for an extended period of 60 days.

Average Rating: (Based on 3 customer reviews)

Combining excellent usability with powerful features, the Hewlett-Packard algebraic graphing calculator is ideal for students, ranging from middle school algebra all the way up to high school and college level. Don't let the calculator's slim design fool you. Although it's compact and easy to slip in a pocket or desk drawer, the functions are meaty, and the high-contrast 131 x 64-pixel screen enables you to see more of your work.

Clearly designed for students, the calculator features a textbook mode allowing users to enter and view equations and expressions, electronic lessons adapted from textbook topics, and a split screen for side-by-side comparisons. And in the "Dang, that's cool" category, the calculator even features an infrared port enabling students to send data, equations, notes, and e-lessons to study buddies (no cheating, though!). The HP396 can also be hooked up to your PC or even an overhead display unit.

The keyboard is relatively friendly, featuring big keys with soft edges and wide key spacing for better keystroke accuracy. It runs on three AAA batteries and includes a one-year warranty.

Average Rating: (Based on 6 customer reviews)

Hewlett-Packard's HP 48G+ calculator can handle just about anything, and for a reasonable price. It allows you to enter equations the way they're printed on a page; construct graphs, plots, and drawings on a display 8 lines deep by 22 characters wide; and perform calculations from basic algebra all the way up to trigonometry and advanced statistical analysis. Best of all, anyone with the patience to learn some basic, object-oriented programming can take the device far beyond its built-in limits.

We had to throw out all of our typical calculator knowledge to use the 48G+, as it uses Reverse Polish Notation (RPN, also known as postfix notation). For example, instead of pressing 2 + 2 = to get an answer, you have to press 2 ENTER 2 +. Once we learned the basics, RPN made complex calculations much easier to enter, eliminating the need for parentheses in most calculations. Studded with buttons and crammed with labels, the keypad looks impossibly crowded, but the color-coded secondary and tertiary function labels are easy to find and decipher with a little practice. A row of buttons at the top is used to select menu items that are displayed onscreen, providing even more functions in a relatively small space. Ultimately, the 48G+ offers more than 2,300 functions, over 300 of them built-in formulas and scientific constants encompassing the spectrum of the mathematical and scientific fields.

Using the 48G+ for a few weeks made it clear why this series of calculators is so popular; they're easy to work with once the initial learning curve is overcome. A complete set of built-in formulas coupled with the calculator's programmability give the device potential limited only by its 128 KB of built-in memory. If you need lots of RAM, its upgradable memory makes the higher-end 48GX a better bet; however, the 48G+ has plenty of storage for all but the most demanding students and professionals. It also comes with an infrared port for communicating with other calculators or a printer, and a connectivity kit--available separately--allows you to link the calculator to your PC for downloading new formulas and other data. --T. Byrl Baker

Pros:

• RPN can speed data entry with practice
• Programmable--you can add nearly any feature you like
• Infrared port lets you communicate with other IR-equipped calculators

Cons:

• Cluttered keypad
• Learning RPN and basic object-oriented programming can be daunting for the novice

Average Rating: (Based on 10 customer reviews)