Model Name | FX-991CW |
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Number Of Digits | 10 + 2 digits |
Display Type | Natural Textbook display - Input and display fractions powers logarithms roots 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 Minute 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 • UNDO • 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 ln 10x ex) • 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 radians grads as the angle unit for value input and calculation result display. |
Minute Degree Seconds | Aids in sexagesimal calculations with respect to decimal conversion. |
Warranty Years | 3 years |
Dimension | 162 X77X10.7 mm (D × W × H) |
Country Of Origin | Thailand |
Importer | Casio India Co. Private Limited A-41 First Floor Mohan Cooperative Industrial Estate Mathura Road New Delhi - 110044 |
Weight G | 95 |
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.
For more information, visit : https://www.casio-intl.com/in/en/