Casio FX991ES Natural Textbook Display Calculator

Full dot matrix display.
10+2 digits.
403 functions.
'GCSE' and 'A' level suitable.
Formula entry.
7 data memories.
40 physical constants.
Complex numbers.
Fraction facility.
Algebraic logic.
Equation operating system.
Statistical functions.
Number bases.
24 parenthesis levels.
Logic operations.
Equation solver.
Root solver.
Linear regression.
Hyperbolic.
40 metric conversions.
Function menu system.
Regression analysis.
Matrix operations.
Intergration.
Numeric derivative.
Table of function values.
Mathematical functions include percentage, square root and memory.
Quadratic/simultaneous equation facility.
Slide on case supplied.
Solar powered with battery back-up.
Batteries supplied.

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