Description
The Casio fx-991 CW is the new upgraded version of the Casio fx-991 EX (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 level and Highers. Allowed in every UK exam where a calculator can be used.
The Casio fx-991 CW is Casio’s most advanced scientific calculator with 540 + mathematical functions. The large Natural Textbook Display shows mathematical expressions like roots and fractions as they appear in your textbooks which increases comprehension because results are easier to understand.
• Battery & Solar Battery powered (LR44 x 1 supplied).
• 540+ Functions
• New easy to use UI (User Interface) for quick navigation
• High definition 4 gradation display
• Large Natural Textbook Display, shows mathematical expressions as they appear in textbooks
• 3 year guarantee
• Auto power off
• New design protective clip-on hard case
• 192 x 63 LCD display.
• 770mm (W) x 162mm (L) x 14mm (H) (excl. cover)
• Weight 100g
Functions and Features:
• Display type: 62 * 192 FULL DOT.
• Natural display.
• Algebraic input logic: Natural V.P.A.M.
• Functions: 540+.
• Number of characters/lines: 16/1+10/1.
• Icon menu.
• Significant digits and exponent: 10+2.
• Variable memory: 9.
• Repeat function.
• Basic mathematics.
• Fraction calculations
• Powers, roots, reciprocal, logarithms (any base).
• Equivalent ratio solver.
• Table of values.
• Equation solver (polynomial, simultaneous linear, numeric).
• Polynomial inequality solver.
• Angle dimensions DEG/RAD/GRAD.
• Conversions between >DEG/>RAD/>GRAD.
• Trigonometric functions sin/cos/tan/sin-1/cos-1/tan-1.
• Calculations in the sexagesimal system (hours (or degrees)/minutes/seconds).
• Probability distributions (Normal, Binomial, Poisson).
• Random decimal and integer generator.
• Vector and matrix arithmetic.
• Complex numbers.
• Coordinate conversion Polar<>Rectangular.
• Hyperbolic functions sinh/cosh/tanh/sinh-1/cosh-1/tanh-1.
• Technical notation ENG.
• Calculation with technical symbols.
• Scientific constants: 47.
• Unit conversions: 40.
• Base-N (hexadecimal/decimal/binary/octal).
• Logical operators (AND/OR/etc).
• Spreadsheet.