Casio FX260 Scientific Calculator - All-purpose scientific calculator offers fraction calculations, trigonometric functions and more. Includes a large, color-coded keyboard, 10-digit mantissa + 2-digit exponent display and 11-digit accuracy. Floating negative sign appears to the left of the number displayed. Rounds off all answers to the number of digits displayed. Features 144 built-in mathematic functions, fraction functions, six levels of parentheses, polar-rectangular conversions, mean, standard deviation, backspace key to fix entry mistakes, basic scientific, exponential and trigonometric functions, permutations and combinations. Includes a slide-on hard case. Solar powered.
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