Graphing Calculator, Battery Operated, Programmable, Equation Solver, Statistical Functions, Matrices, Complex Functions, Economic Functions, Display: Monochrome, :
From Amazon
Texas Instruments TI84PLUS - Graphing Calculator USB technology-Blue/Silver
Conrad Electronic
Texas Instruments TI-84 PLUS Graphing calculator Black, Grey battery-powered (W x H x D) 89 x 27 x 192 mm