Texas Instruments Calculators
One of the most trusted calculator names in math classrooms across the country is Texas Instruments Calculators. Varying from scientific, to graphing, to financially based calculators, Texas Instruments are of the easiest to use, and most durable on the market. The Texas Instruments TI-89 Titanium Graphing Calculator for example. A standard in many high school and college level stat classes, this particular calculator will easily handle calc, algebra, statistics, matrices, and many other fun ways of numerical analysis. Now there is no point in going through all the stages of finding the correct answer, only to get it wrong due to a small screen. To help for clear and accurate graphs and numbers, the TI-89 has a very easy to read 100×160 pixel display, and will even give split screen views. For speed, Texas Instruments gave this puppy 188KB Ram and 2.7 MB of flash memory, not to mention USB technology in order to easily share information with other calculators and computers. The TI-89 Titanium Graphing Calculator is backed with a 1 year guarantee and is currently being sold for a fantastic low price at Amazon.com
