Calculator-Scientific Writeview 640 Function 16 Digit/4Line

Sharp® scientific calculator with large 16-digit, 4 line LCD WRITEVIEW™ display. 7 modes: normal, stat, drill, complex, matrix, list & equation. 8 temporary, 4 formula, & 4 definable memory buttons. Quadratic & cubic equation solvers. 3 variable linear equation solvers. 1 & 2 variable statistics. Durable, gloss black finish with silver accents. Protective hard case. Twin powered (solar with battery backup). Dimensions: 3.1” x 6.4” x 0.6”.