The big and spacious QWERTY keyboard makes working on the 200 a pleasure and keeps programming easy.

The Voyage 200 supports plotting multiple functions on the same graph, polar, parametric, sequence representation and differential equation graphing. The Voyage 200 comes with spreadsheet and data processing applications and can perform many statistical analysis operations. You can find many applications for the Voyage 200 online, ranging from games to periodic tables.

The Voyage 200 offers a Computer Algebra System (CAS), 2D and 3D graphing, linear algebra, interactive numeric solver, unit conversions and statistical regressions.

The Pretty Print mode shows the mathematical expressions on the display the same way they appear in textbooks, and you are able to extend the life of the Voyage 200 by upgrading the software electronically as it becomes available.

While in the split screen mode, you’re able to view two applications at the same time.

Solve complex systems of differential equations using Euler or Runge Kutta methods on the Voyage 200.

You are able to transfer programs between the 200 and your computer with the link cables and the IR Link allows you to communicate with other calculators over a wireless connection, making the Voyage 200 perfect for the classroom.

The bottom line is that the Voyage 200 is a must-have tool for every math and engineering student as it’s easy to operate and will optimize your learning and surely give you the edge over classmates and your homework.

The TI-86 is packed with 96 KB of memory, which is three times that of the TI-85. Also on this calculator you receive a function evaluation table that is not available on the TI-85.

The TI-86 has all the same matrix features as the TI-85, but has a new matrix editor that allows you to see and edit matrices in two dimensions. You’re also able to see lists and attach formulas to the lists for automatic computations.

The TI-86 is also great for calculus features such as derivatives, integration, minimums, maximums, roots and arcs.

The crisp and clear display screen with its 64×128 pixels is super-easy to view. The screen displays 8 lines by 21 characters as well as two levels of display menus. You may darken or lighten the screen by using the cursor and the 2nd key. For ease of use, you can enter the functions you use a lot into the Custom menu.

You may link this calculator to other TI-86 or TI-85 devices with the input/output port as well as to CBLs, CBRs and computers for sharing your work with others.

The TI-86 calculator helps you solve nine first-order differential equations or up to 1/9 order differential equation. You can also easily solve a family of curves with many initial values.

The TI-86 is a calculator you won’t want to be without if you are studying college level engineering, math or sciences.

The TI-89 Titanium’s basic graphing functions include basic graphing, parametric, polar, sequence, 3D, and differential equation graphing. On top of this the TI-89 Titanium also performs symbolic manipulation, measurement and constants units, data plots and statistics. It features a text editor, a numeric solver, tables, a split-screen function and variable management.

For use in the advanced math, engineering or sciences classroom, you may connect the TI-89 calculator to other calculators or a computer to share your work with the entire group.

You can upgrade to future software applications with the TI-89 Titanium’s flash technology, so you won’t have to purchase a new calculator every time new applicable software hits the market.

The TI-89 Titanium comes with 188 KB of RAM and 2.7 MB of flash memory, which is plenty of storage space to store all of your programs and data.

You have the freedom and versatility to create custom menus if you choose, or simply use the default menu.

A cool and innovative feature on the TI-89 Titanium is the Program Editor. Here you can write custom applications of your own. Pretty nifty.

The LCD screen on the Titanium is large and can be adjusted to your environment and is easy to view in all kinds of lighting. Included with the TI-89 is a input/output port and cable so you can hook up to other TI-89s or TI-92. Also you get a USB port and cable for connecting to Texas Instrument devices for display purposes.

Carry the TI-89 around with you as you please, because it comes with an attached hard slide cover that protects the unit.

The included manual is 500 pages of very clear explanations, examples, drawings and definitions for easy reference.

You can easily connect the TI-92 with computers and download software upgrades straight to the unit. With the use of the Pretty Print feature you can see equations in a textbook format and work on 3D surface graphs in the ‘here and now’.

The big QWERTY keyboard is built tough and is very easy to use.

The 128×240 screen is very clear and bright and simple to view. The TI-92 comes with a durable shell casing for protection and practicality. The manual that is included is expansive and covers all the functions with very clear directions and explanations to get you up and running with this graphing calculator in no time flat.

If you are ‘calculator savvy’, you’ll really like the option of the assembly-language, but everyone else will do great with the regular interface.

The TI-92 is a very popular calculator for math students in both the high school and university level and for good reason. You can compute exact solutions to many 1st and 2nd order ordinary differential equations. Use either the Euler or Runge-Kutta methods to solve single or systems of differential equations.

The split screen mode on the TI-92 allows you to view 2 applications at once and the rotation of 3D surfaces and contour graphs assist you to visualize in 3D.

The TI-92 is a powerhouse of a graphing calculator and the unit is very portable. It is 5 x 8.5 x 1.5 inches and weighs just 1.4 pounds. If you’re serious about mathematics or engineering, then the TI-92 should definitely be by your side in the classroom or at work.

The TI-Nspire gives you the ability to enter and see equations and expressions on the screen as they appear in your textbooks. This is very helpful in solving step by step math, algebra and calculus calculations.

Teachers have the invaluable option to incorporate CAS into their teaching to help students in learning to solve equations one step at a time and avoid common errors.

Finding common denominators is easy on the TI-Nspire CAS and by seeing patterns, students can understand the math that the formulas represent.

With the TI Nspire CAS calculator you will see several representations of a given problem, both individually and together on a single screen. You’re able to link representations of a problem to learn and see how changes affect one another.

The TI-Nspire CAS allows you to grab and move graphed functions in ‘real time’ so you can see the patterns and relationships.

This graphing calculator is powerful and a many-faceted tool. You can even save and review your work on the TI-Nspire CAS, much like you can do on a computer.

You may use this handheld graphing calculator while taking college entrance and placement exams.

In spite of its advance functioning and technology, the TI-Nspire CAS is really very easy to use. The buttons and the on-screen drop-down menus and icons are easy to operate and understand. The features on this handheld unit are very clearly set out so confusion is minimal to non-existent.

The TI-Nspire CAS handheld graphing calculator operates on 4 AAA batteries and comes with a connectivity cable, a unit-to-unit link, and the reference guide.

With its 2.5 MB total memory (512 KB and 2 MB Flash ROM) and RS232 and USB connectivity, this powerhouse has more capabilities than you’ll probably ever need.

The 50G has features and tools you can use for years to come with its powerful built-in graphing functions and applications.

There’s no worry that it’s too complicated or confusing to use because it offers you lessons and step by step problem solving. The HP 50G can handle the most abstract and complex problems with ease.

The large, bright and high-contrast display with adjustable font and size shows you clearly every part of a calculation, graph or formula. If you choose, you may isolate sub-expressions using the editor and you can cut and paste objects as needed.

You simply will want to have the HP 50G with you if you’re a science, math or engineering working person or student. The memory is large on the 50G, but you may add more storage with optional SD memory cards.

The HP 50G has an incredible 2,300 functions built right in and this handheld calculator is fully customizable and completely programmable. Once you go through the manual and understand how it works, you’ll be one step ahead on your project or homework and will also come to understand some of the basic, core ideas of computer programming and problem solving.

In addition to the standard Algebraic mode, the 50G offers Reverse Polish Notation (RPN) and Textbook data entry modes, that only HP calculators possess. RPN is a sequence that reduces the number of keystrokes needed to make a calculation and Textbook entry lets you write and edit the equations symbolically, as though you were writing on paper.

You will get dynamic symbolic manipulation and symbolic and numeric solving capabilities in the palm of your hand with the 49G+’s advanced CAS (Computer Algebra System). The CAS is flexible enough to help you perform complex math or calculus functions or assist you in solving a system of linear equations. The HP 49G+ is very advanced and capable of complex applications, but yet it is really quite easy to use.

The HP 49G+ will tell you when you should switch to the complex mode when you begin to work on complex equations. You will understand how an answer is attained, step by step for dynamic derivation, integration and linear algebra, in the Textbook mode so you’re able to see and understand how that solution was attained.

The HP 49G+ is ideal for either hand-held usage or the desktop. It has smooth edges and streamlined curves and comes in a light metallic blue color. A sturdy slide-on cover guards the unit from damage. The keyboard is easy to use with large keys and generous spacing.

The large 131×64 pixel high contrast viewing screen is just right for viewing your equations and expressions and you can select from different font sizes and styles to reduce scrolling.

You’re also able to choose from three input modes: familiar textbook, traditional algebraic or RPN.

For added flexibility, the HP 49G+ allows you to edit text, graphs and expressions easily. You can isolate and evaluate sub-expression and cut and paste objects just like you do on your computer.

You can go a step past just analyzing data. You can run hypothesis tests or input, view and edit sample data in table format-much like a computer spreadsheet or table, and then plot your results.

The TI-73 calculator is compatible with existing TI-73 classroom accessories and related teaching materials for late elementary through lower middle school grades, from fractions through pre-algebra.

Make better on your students’ learning experiences with math and algebra with the new TI-73 which covers the middle ground between the TI-15 and the TI-84 Plus Silver Edition.

Some of the key features of the TI-73 are fraction functions, data collection, data analysis and plotting, constants and developing number patterns, conversions and graphing.

The TI-73 calculator has an upgradeable operating system and software and you may get the optional TI-GRAPH LINK cable for easy connectivity to your computer.

The TI-73 measures 7.2 inches long, is 3.2 inches wide and is .80 inches thick. It weighs 6.4 ounces and runs on 4 AAA batteries plus one lithium battery for backup.

It features a LCD dot matrix display technology and the display size shows 8 lines by 16 characters.

Texas Instruments worked closely with numerous teachers to come up with the specific functionality and the great feel and looks of the TI-73. The keyboard, color and layout are all geared fo that age group of children in the middle grades classroom. The teachers did not want functions and features that would confuse and intimated the students, so Texas Instruments took their advice and reduced the number of functions on this model.

By visiting TIMiddleGrades.com you can find valuable activities that can be used along with the TI-73 in math and science classrooms.

The TI-83 can be used on the SAT, PSAT and ACT college entrance exams.

The main advantage and improvement over the TI-82, is the addition of 512 KB of Flash ROM, which allows for OS upgrades and applications to be installed.

The TI-83 Plus calculator was designed for high school students although it’s now used by middle school students in some public school systems. It has all the features of a scientific calculator as well as function, parametric, polar, and sequential graphing capabilities. It features the ability to do financial calculations, matrix operations; on-calculator programming and more. Algebra and differentiation are not built into this particular model, but is an option as a flash application.

The TI-83 Plus can be programmed using a language called TI-BASIC, which is very much like the BASIC computer language.

Students may enter math problems exactly how they appear in their textbooks with App4Math. It is a free download application from I.Q. Joe.

The LCD screen on the TI-83 Plus is 64×96 pixels that make reading it very easy. This calculator handles engineering, trigonometric, calculus and financial functions and can display graphs and tables on a split screen to trace the graph as you scroll through table values.

The calculator weighs 8 ounces and is 7.3 inches long, 3.5 inches wide and 1 inch thick.

The TI-83 is a powerful tool for math and science students.

There are 13 useful applications loaded into the TI-84 including Cabri Jr, CBL/CBR, Inequality Graphing, Conic graphing, Science tools, Probability Simulations, StudyCards, TimeSpan, Topics in Algebra Chap.5, Topics in Algebra Chaps. 1-4, and more.

The TI-84 calculator is invaluable for students studying math and sciences, as it is a powerhouse with problem-solving tools and features for analyzing, graphing and the storage of up to 10 full functions.

The graphics are displayed on a split screen which enables students to trace the graphs and scroll through values at the same time.

You’re able to see an equation, the graph and the coordinates all at once with the TI-84. There are numerous plot types available such as normal probability plots, scatter, XY-line, histogram and box and whisker plots.

Features for engineering, calculus, financial, trigonometry and logarithm are accessed, which are all vital tools for advanced analysis.

The TI-84 runs on 4 AAA batteries and one backup silver oxide battery. It features an eco-friendly auto shut-off for energy saving. A hard kickstand slide case comes with the calculator so it can stand up on a table top to be viewed.

The TI-84 is a terrific tool for the classroom. Students can share their work with the entire classroom by connecting their TI-84 to any Texas Instrument presentation device. With its built-in USB port, data transfer to computers is simple.

If you are an advanced science or math student, or a teacher of these subjects, the TI-84 should definitely be on your to-buy list.