Casio FX-115ESPLUS2 Scientific Calculator

Large, multi-line LCD display (16-digit, 4 line). Natural textbook display shows formula and results exactly as they appear in the textbook. Displays formulas and results simultaneously.

Provides over 400 built-in functions including fractions, complex number calculations, base arithmetic, linear regression, standard deviation calculations, trigonometry, hyperbolic functions, advance statistics, matrix, and conversion functionality. and more.

Multi-replay function allows user to backtrack step-by-step through calculations, to edit expressions and recalculate answers. One independent and eight constant memories.

Solar powered with battery back-up - protects memory no matter what the lighting conditions. Includes protective slide-on hard case.

Features:

• Can transform a displayed decimal calculation result to a fraction or mixed number. It can also be converted back to the decimal form.
• Perform addition, subtraction, multiplication, and division.
• Augment and absolute value calculations. Reciprocal, square and cube calculations. Conjugate complex number calculations.
• Performs linear regression, quadratic regression, logarithmic regression, e exponential regression, ab exponential regression, power regression and inverse regression.
• Solve simultaneous linear equations with two unknowns, simultaneous linear equations with three unknowns, quadratic equations, and cubic equations.
• Matrix mode allows user to perform matrix operations on matrices with up to 3 rows and 3 columns.