EL-W516XG WriteView Scientific Calculator

Large 16-digit, 4 line LCD display. WRITEVIEW™ display. 640 functions. 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. Gloss black. Protective case. Dual powered (solar with battery backup).