Sharp EL-506A Scientific Calculator with an Applications Book.
This is a great calculator for the college student or professional.
Powerful 10 Digit Scientific Notation
112 Functions - 93 Scientific, 19 Calculator
* Two Memories with Memory Safe Guard
* Three Variable Linear Equations
* Statistics Mode, normal distributions
* Hexadecimal, Octal, Binary calculations, logical operations
* Complex Number calculations

Requires two Eveready EPX76 batteries (not included).