The Texas Instruments TI-82 is made particularly for graphing out mathematical and scientific problems. This scientific graphing calculator can connect to the computer for easy programming and data collection with the TI-Graph Link cable. This Texas Instruments graphic calculator features an 8-line by 16-character display for quick and trouble-free reading. The Texas Instruments TI-82 also features a split-screen mode for reading graphs and viewing calculations at the same time, providing users with easy comprehension and visualization. This Texas Instruments graphic calculator can analyze up to five matrix variables and save them for later use. The scientific graphing calculator includes functions for quartic polynomial regressions, intersections, and other common expressions. The Texas Instruments TI-82 can store data lists of up to 99 elements and three different plots for quick reference and calculations. The calculator is ergonomically crafted in a comfortable shape and design for ease of use during work. Color-coded buttons make finding the right keys faster, and a directional pad makes scrolling and navigation faster as well.