Monday, December 26, 2011
Tuesday, December 20, 2011
Texas Instruments TI-84 Plus Silver Edition Graphing Calculator - Purple
!±8± Texas Instruments TI-84 Plus Silver Edition Graphing Calculator - Purple
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The TI-84 Plus Silver Edition graphing calculator in silver and purple comes fully loaded with a built-in USB port, plenty of memory, and loads of pre-loaded Apps - all to give you an academic edge in math and science. Designed for your high school and college classes, and to help you prepare for standardized tests and college entrance exams.
Monday, December 12, 2011
College - The Necessary Technology For Today's College Student
The world has changed and the needs of the college student have changed as well. It used to be that plenty of paper, pencils, notebooks and highlighters were all that you needed to be prepared for college. But in today's fast paced technological world much more is needed to be successful. You need the right technology.
So here are a few suggestions on what you will need.
Laptop Computer
Today's college student needs the portability of a laptop, the desktop just doesn't cut it anymore. But, many of the features included in a laptop are not absolutes and are negotiable. Different students will require different memory, graphics and accessories.
One feature that is negotiable is the memory. In most cases, the standard ram and hard drive will be more than sufficient for the average college student. However, if your major is in computer graphics or programming you might require a more advanced memory system. Call your advisor or someone in the computer department and ask about your computer needs.
The following are features that you definitely want to include in your system:
DVD R/RW CD-RW Wireless 4 - 6 USB Ports 1 SD Port 1 Fire wire Port
Preferred brands: Compaq, HP, Dell and Toshiba.
Recommended stores: Wal-Mart, Best Buy, Office Depot, Office Max, and online.
Price Range: 9 - 99
1 - 8 GB USB Drive
Although the USB jump drives don't have to be 8 GB, it's a nice convenient size. The USB drive is going to be very useful for transferring data from one place to another and will allow you to take information without taking the whole computer.
Preferred brands: Lexar, Kingston, SanDisk, and Ativa
Recommended stores: Wal-Mart, Best Buy, Office Depot and Office Max.
Price Range: -
MP3 Player or iPOD
An mp3 player can be a great success tool with many uses. The most important use being the ability to record lectures and then listen to them anywhere. You can also download music, data and videos. The possibilities are endless.
If at all possible purchase a player that accepts micro SD cards so that you can store even more information on your MP3 or iPOD.
Preferred brands: Sansa, Apple iPod, Samsung, Phillips and Zune.
Recommended stores: Wal-Mart, Best Buy, Office Depot, Office Max, and Circuit City.
Price Range: - 9
Note: If the budget can afford it, go for one that can download videos.
2 - 4 GB SD Memory Cards
Invest in a couple of SD memory cards to store your information on for easy access and portability. SD cards take up very little space and can be transported very easily from one place to another.
You might even consider getting a micro SD with an adapter so that you can use it on your laptop, your mp3 player and your digital camera.
Whatever you decide you'll be glad you invested in some SD memory cards
Preferred brands: SanDisk, Ativa and Kingston.
Recommended stores: Wal-Mart, Best Buy, Office Depot, Office Max and online.
Price Range: .99 - .00
Graphing Calculator
If you are going to study science, mathematics or pre-med you will need a graphing calculator. Don't waste your time with plain calculators or other scientific calculators. You need a graphing calculator. The best graphing calculators for the money are the TI-83 Plus and TI-84 Plus. I prefer the TI-84 Silver Edition.
Recommended stores: Wal-Mart, Best Buy, Office Depot, Office Max, Staples and ebay.
Price Range: - 9
Wireless Printer
Although most colleges will have printers available, the convenience of having a wireless printer in your dorm room is worth the investment. You can pick up a good inkjet printer or even a laser printer for a very reasonable price. Just shop around and compare.
TIP: If you share your printer with dorm mates have them help buy ink refills.
Preferred brands: Dell, HP, Lexmark, Epson and Canon.
Recommended stores: Wal-Mart, Best Buy, Office Depot, Office Max and online.
Price Range: .00 - 9.00
Summary
The above items will also require certain accessories such as blank CD's and DVD's. You will want to get a good laptop case or carrier for transporting your computer. Also, you may want to get a laptop mouse if you have trouble using a touch pad.
Tuesday, December 6, 2011
Leading Manufacturers of Graphing Calculators
A computing devices that is able to plot graphs and solve graphing problems is called a graphing calculator. It can solve simultaneous equations and can perform various tasks with variables. The calculator has a large display that is able to take in numerous lines of text and calculations at the same time. There are also color displays, 3D graphing, and readily user-programmable graphing calculators that are useful in education, engineering, and scientific applications.
World's Leading Producers
Casio, Hewlett Packard (HP), Texas Instruments (TI), and Sharp are the world's leading producers of graphing calculators. Each company has their own top of the line models.
For instance, Casio has its fx-7000G graphing calculator manufactured in 1985. it was also one of the first graphing calculators that came out in the market. Hewlett Packard has HP-28C after few years and eventually produced the HP-28S in 1988.
The other models HP had produced are the HP-48SX in 1990, HP-48S in 1991 and the recent model, the HP 50g in 2006. The HP 50g has a feature of Computer Algebra System (CAS), powerful in solving analytical problems and in manipulating symbolic expressions. The production of HP-28 and HP-48 range is specifically intended to groups of science and engineering professionals.
The HP-38 HP-39 and HP-40 target the high school and college students as the main market. And the HP-49 model is sold to all levels of both educational and professional customers. It is known for its standard expression entry interface. All the HP series are popular because they are featured with Reverse Polish Notation interface.
In 1990, Texas Instruments started to manufacture graphing calculators. Their first model was the TI-81 series. The TI-82 and TI-83 series consist of TI- 83, TI-83 Plus, and TI-83 Plus Silver Edition. These have larger internal memory. Their TI-80 and TI-73 series are best suitable for students, ages 10 to 14 years old. The design of TI-85, TI-86, TI-89 series, and TI-92 series which comprises of the TI-92, TI-92 Plus, and Voyage 200 are applicable for calculus. And the TI-89 and TI-92 series are designed with computer algebra system; however, the TI-92 series offers a QWERTY keypad.
Texas Instrument devices are purposely produced mainly for the educational sector and the general public. Sharp has been also involved in the production of graphing calculators. However, they do not have collections of programs.
Here are the top selling models regardless of brand names:
HP 48G II Graphing Calculator
It is a perfect graphing calculator for either laboratory activities or classroom work in math, science, statistics, engineering and surveying. The calculator features 128KB Memory, and 80.7KB of the total memory is available to the user. It has 131 x 64 pixel display and has large built-in constant library and structured programming for making applications.
The HP graphing calculator features more than 2,300 functions. It has a Computer Algebra System (CAS). This feature is very helpful in numeric solving and symbolic manipulation. Thus working in complex arithmetic or calculus functions will be easier and not complicated.
It also provides comfortable viewing because it has a large screen along with 2D and 3D graphing modes. Such screen has also serial port and IrDA connectivity that consists of cable and software. The serial port can be connected to the PC for easy transfer of data. The graphing calculator is featured with algebraic, RPN and textbook entry modes As well.
It is operated on three batteries. It also comes with an auto shut off feature after five idle minutes. It measures only 7.2 x 3.4 x .09 inches and weighs 7.7 ounces.
Texas Instruments TI-89 Titanium Graphing Calculator
Texas Instruments TI-89 Titanium Graphing Calculator is ideal for advanced engineering applications and advanced college mathematics. It has a big working memory of 188 KB RAM, and upgradeable to 2.7 MB Flash ROM and 3D graphing. It includes a mini USB port and such USB port is useful for a more convenient transferring of data. It has a display of 100 x 160 pixels.
This device is handy in storing important financial data. It has pre-programmed applications like a cell sheet, polynomial root finder, calendar, note folio, symbolic math guide, French and German localization, and simultaneous equation solver. The calculator has a graph mode that can store 99 equations. And some of the analysis of TI calculator includes maximums, minimums, roots, intersections, derivatives, arc lengths, inflection points, and integrals.
The unit comes in a hard slide case and power supplied by 4 batteries that are silver oxide. It comes along as well with a user instruction guide. It has one year warranty for the parts and for the labor.
Casio CFX-9850GB Plus Graphing Calculator
This graphing calculator is best for math and science students. It has 900 advanced features to help solve problems quickly and accurately. It has a total memory of 32 KB and can store up to 38 programs. It has also a large, easy to read display that can show eight lines and 21 characters, 15-digit, 10-plus-2. And such display is in three colors which make then the graph in animated form. Thus the variables in can be changed in a formula, and then will able to view the movement of the graph.
The calculator has ability to work on statistical calculations that include histograms, eight regression types, scatter plots, and box and whisker plots. It has a built-in communications port that can be connect to a personal computer. Graphic functions include making vertical lines, parametric, rectangular and polar coordinates.
The Casio graphing calculator is enclosed in a hard slide case and uses four alkaline batteries and a lithium battery. It comes also with a user guidebook. It weighs 2 pounds.
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