The Casio FX-82ES calculator allows you to perform all complex and logical calculation tasks quickly and easily. As you write the basic functions, this Casio scientific calculator allows the natural input of expressions, as they are written. This Casio technical calculator offers a natural textbook display while a full dot display shows the input of equations and statistical data. The Casio FX-82ES calculator is also equipped to calculate in gradian, degree and radian measure. Fully featured, with proper operator precedence; this Casio scientific calculator also can perform trigonometric and inverse trigonometric functions as well. This Casio technical calculator features 6 variable memories that allow you to store formulas.