Casio fx-220 Scientific Calculator: Features and Calculations
Discover the capabilities of the Casio fx-220, a reliable scientific calculator designed for students.
Product Overview
The Casio fx-220 is a versatile scientific calculator featuring a clear display, easy-to-operate plastic keys, and a protective hard case. It is powered by a two-way solar and battery system, ensuring long-lasting performance.
Key Features:
- 10-digit mantissa + 2-digit exponent display
- 139 functions
- 18 memory stores
- Scientific functions
- Trigonometric/Inverse Trigonometric functions
- Hyperbolic/Inverse Hyperbolic functions
- Logarithms/Exponents
- Roots, Powers, Reciprocals, Factorials
- Fraction calculations
- Percentage calculations
- Base-n calculations (Binary, Octal, Hexadecimal, Decimal)
- Statistical calculations (SD Mode)
- Random Number Generation
- Display of signs of roots, fractions, etc.
- Two-way power source (Solar + Battery)
- Auto Power Off
- Includes a protective hard case
Visual Description: The calculator features a clear LCD screen displaying numerical input and results. It has a standard QWERTY-like keyboard layout with dedicated keys for numbers, arithmetic operations, scientific functions, and memory access. The brand name "CASIO" is prominently displayed.
Calculation Capabilities
The fx-220 supports a wide range of calculations, making it suitable for various academic levels.
Constant Calculations
Perform calculations using stored constants. Example: 2.3 + 3 and 2.3 + 6.
Memory Calculations
Store and recall values using memory functions for complex computations.
Fraction Calculations
Work with fractions, including conversions between proper and improper fractions, and fractions to decimals.
Percentage Calculations
Easily calculate percentages. Example: 12% of 1500.
Scientific Function Calculations
Access advanced mathematical functions:
- Trigonometric/Inverse Trigonometric Functions: Calculate sine, cosine, tangent, and their inverses. Supports DEG, RAD, GRAD modes. (e.g.,
sin 30°,sin⁻¹ 0.5) - Hyperbolic/Inverse Hyperbolic Functions: Calculate hyperbolic sine, cosine, tangent, and their inverses. (e.g.,
sinh 2,sinh⁻¹ 3) - Logarithms/Exponents: Calculate common logarithms (log), natural logarithms (ln), and powers. (e.g.,
log 100,ln e,10²,e³) - Roots, Powers, Reciprocals, Factorials: Perform operations like square roots, cube roots, powers, reciprocals, and factorials. (e.g.,
√25,³√27,5²,1/10,5!) - Base-n Calculations: Perform calculations and conversions between binary, octal, hexadecimal, and decimal number systems.
- Statistical Calculations (SD Mode): Compute basic statistical measures such as mean and standard deviation from a data set. Example data set:
55, 54, 51, 55, 53, 53, 54, 52. - Display Format Settings: Control number display formats including FIX (fixed decimal places), SCI (scientific notation), NORM (normal display), RND (rounding), RAN# (random numbers), and ENG (engineering notation).
- Sexagesimal/Decimal Conversion: Convert between sexagesimal (degrees, minutes, seconds) and decimal degree formats.
Specifications
Model: fx-220
Power Source: Two-way power (Solar + Battery)
Battery: 1 x LR44
Dimensions: 10 mm (H) x 71 mm (W) x 134 mm (D)
Weight: Approx. 67g (including battery)
Accessories: Slide-on Hard Case
Approximate Battery Life: 1100 hours (continuous operation)
Display: 10-digit mantissa + 2-digit exponent display, up to 10+2 digits.
Manufacturer Information
Brand: CASIO
Manufacturer: CASIO COMPUTER Co.,Ltd.
Manufacturer Address: 6-2, Hon-machi 1-chome, Shibuya-ku, Tokyo 151-8543, Japan
Importer: LLC "Casio", 127055, Moscow, ul. Sushchevskaya, d.27, str. 1, Russia
Country of Origin: Japan
Warranty Period: 1 year
