# TI-83 online graphing calculator – Help your Mathematics

When promoted to a high school, among other things there is also a calculator that a student buys. High school, college or university, no matter at what level you are, buying a graphing/programmable calculator is vital. Many of the teachers usually encourage the students to rely more on their own minds and grasp the concepts rather than relying on the calculating devices. But most of the times, proceeding without a calculator becomes impossible while solving complex questions. With the technology shift, the calculators have also become modernized and now there is a wide range of calculators in the market. There are simple, scientific, hand-held graphic calculators and online emulators like TI-83 online graphing calculator emulator. The most trusted manufacturers of these devices are Texas Instruments, Casio and Hewlett Packard. Each of them gives different models with difference of functions so before buying one; you should first identify what functions you want to have in your calculator.

When going to buy a good calculator, the first thing that students focus on is the Natural Math Display in it. This feature has been named differently by different brands, for instance Texas Instruments call it “Pretty Print”. What the advantage of this display is that it can show the mathematical equations and expressions just the way they are written on a paper. This means fractions do not lose their shape when display on calculator. You can input full sized symbols for summation, integration and differentiation and now the matrix can also be inserted in more than one line. This feature proves very handy for the starter and also to advanced users; they know easily what they are inputting in the device.

The Computer Algebra System (CAS) that has been in use in advanced software of mathematics like Mathemetica and MATLAB has also been included in graphing calculators recently. Symbolic algebra can be performed easily now because of CAS. This was not possible before because each variable needed to be nominated a numerical definition. The graphing features come in 2D and 3D forms. The 3D interface might be useless for some people but it is very useful for some others. Some complex equations need 3D graph support to get understood easily. The multivariable functions involving three axes, x, y and z can only be plotted on 3D graphing calculator as compared to old ones which plot only two variables.

The graphing calculators help a lot in organizing the things anytime. The note and longer equations can also be stored in their memory to make the working faster and easier as you do not have to type the same thing again and again. These calculators can also be used in classes other than mathematics like physics and chemistry etc. A handheld graphing calculator is an expensive item for a student and probably the most expensive one he will be buying in his student life. But the money can be saved by using a TI-83 online graphing calculator emulator which can be used on your laptop or PC.

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