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CASIO - Calculator (FX - 991CW)

by Casio
Original price Rs. 1,595.00 - Original price Rs. 1,595.00
Original price
Rs. 1,595.00
Rs. 1,595.00 - Rs. 1,595.00
Current price Rs. 1,595.00

Key Features

  • High-definition & 4-gradation display
  • Solar+Battery
  • 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


About the Calculator

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.


Features & Specifications

Model Name FX-991CW
Number Of Digits 10 + 2 digits
Display Type Natural Textbook display - Input and display fractions
and other mathematical formulas and symbols just as they appear in textbooks.
Power Supply Both Solar and Battery powered. Solar powered when light is sufficient
battery powered when light is insufficient.
Number Of Functions 540+ 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 Conversion Dedicated keys to convert polar coordinates to rectangular coordinates and vice versa.
Angle Unit Degree Radian Gradian Specifies degrees
grads as the angle unit for value input and calculation result display.
Minute Degree Seconds Aids in sexagesimal calculations with respect to decimal conversion.
Dimension 162 X77X10.7 mm (D × W × H)
Warranty Years 3 years
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