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CASIO FX-991CW - C83

Scientific Calculator for Education with Intuitive Icon DisplayMrp 1,595  1,515(5% off)Inclusive of all taxes
High-definition & 4-gradation display
Natural Textbook Display
QR code Generation
Intuitive icon display
Unabbreviated English display
Interactive format
Easy-to-understand key notation
High-speed calculation
Visualization with graphs
540+ functions
Comes with new slide-on hardcase
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The Perfect Math Learning Tool With Approachable and Intuitive New Design. The new ClassWiz CW Series is designed for the teaching and studying of today. With its new design and key placement, it can be used by anyone. These features help to boost students' curiosity toward math learning...... Show more
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Model NameFX-991CW
Number Of Digits10 + 2 digits
Display TypeNatural Textbook display - Input and display fractions
and other mathematical formulas and symbols just as they appear in textbooks.
Power SupplyBoth Solar and Battery powered. Solar powered when light is sufficient
battery powered when light is insufficient.
Number Of Functions540+ Functions
Basic Function• Basic Calculation
• Bracket Calculation
• Fraction Calculation
• Degree
Secound (Sexagesimal) Calculations
• Reciprocal Calculation
• Percent Calculation (scientific calculator function)
• Ratio calculation
•Factorial Function
• π
• Irrational number calcuation
• Rounding Function
• Transcendental number: e
• Base-n calculation
• Logical Operators
• Complex number calculation
• Matrix calculations
• Vector calculations
• Ratio calculation
• Continuous Calculation
• Replay Function
• Multi-replay Function
• SOLVE Function
• Independent Key x
• Absolute Value Calculation
• Square and square root (x2/√)
• Power and radical root (xy/x√)
• Trigonometric
inverse trigonometric (sin/cos/tan/sin–1/cos–1/tan–1)
• Hyperbolic
inverse hyperbolic (sinh/cosh/tanh/sinh–1/cosh–1/tanh–1)
• Exponential
logarithmic (log
• Base specified logarithmic
• Coordinate Conversion
• Combination / Permutation
• Prime Factorization
• Random Number Generation
• Random Integer Generation
• Summation
• Scientific Constants
• Metric conversion function
Hardware• Battery - Solar and Battery
• Plastic keys
• Comes with slide on hard case
Coordinate ConversionDedicated keys to convert polar coordinates to rectangular coordinates and vice versa.
Angle Unit Degree Radian GradianSpecifies degrees
grads as the angle unit for value input and calculation result display.
Minute Degree SecondsAids in sexagesimal calculations with respect to decimal conversion.
Warranty Years3 years
Dimension162 X77X10.7 mm (D × W × H)
Country Of OriginThailand
ImporterCasio India Co.
Private Limited A-41
First Floor
Mohan Cooperative Industrial Estate
Mathura Road
New Delhi - 110044
Weight G95

Casio Computer Co., Ltd. is a Japanese multinational consumer electronics and commercial electronics manufacturing company headquartered in Shibuya, Tokyo, Japan. Its products include calculators, mobile phones, digital cameras, electronic musical instruments, and analogue and digital watches. It was founded in 1946, and in 1957 introduced the world's first entirely electric compact calculator. It was an early digital camera innovator, and during the 1980s and 1990s, the company developed numerous affordable home electronic keyboards for musicians along with introducing the world's first mass-produced digital watches.
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