The Casio FX-991CW is the new upgraded version of the FX-991EX (Casio's most advanced scientific calculator), containing additional features to include a high definition display and improved menu navigation. Approved for Key stages 3,4 and 5, recommended for Advanced GCSE, A/AS Levels and Highers. Allowed in every exam where a calculator can be used.

Improved functionality and features, high definition 4 gradation display. More intuative to use with new use interface for easy navigation. It perform Mathematical Operation such as Square root, fractions, integration, complex functions, matrices, linear equations, polynomial equations.

• Suitable for 11 .
• LCD display.
• 9 variable memories.
• Non-stick keys.
• 16 10 2 -digit display.
• Auto shut-off.
• 540 functions.
• Recurring decimals.
• Prime factorisation.
• Algebraic logic.
• Regression analysis.
• Statistical functions.
• Hyperbolic.
• 24 levels of parenthesis.
• Metric.
• Dual power source - Solar Power with battery back up.

General information:

• Batteries required 1 x LR44 (included) .
• Manufacturer's 3 year guarantee.

• EAN: 4549526615597.