Casio FX-570ES PLUS
Introduction
 | |
| Type | Scientific calculator |
|---|---|
| Manufacturer | Casio |
| Introduced | Late 2000s |
| Calculator | |
| Precision | ±1 at the 10th digit |
| Display type | Dot-matrix display |
| Display size | 31×96 LCD |
| Programming | |
| Other | |
| Power supply | AAA battery ×1 |
| Weight | 100 g (including battery) |
| Dimensions | 13.8×80×162 mm |
The Casio fx-570ES PLUS is a non-programmable scientific calculator from Casio Computer Co., Ltd., part of the ES PLUS series. It features a Natural Textbook Display with a dot-matrix LCD, 417 built-in functions, multiple calculation modes including statistics, matrices, vectors, equations, and base-n arithmetic, and is powered by a single AAA (R03) battery. It is primarily designed for educational use and does not include graphing or programming capabilities.
This model has exactly the same functions as the Casio fx-991ES PLUS, differing only in power supply, dimensions, and weight. The fx-991ES PLUS uses a built-in large solar cell together with one LR44 battery, resulting in a smaller size and lighter weight. This model uses one AAA battery, resulting in a larger size and heavier weight.
History
- The predecessor of the fx-570ES PLUS, the fx-570ES, was released in the mid-2000s. This calculator was not very popular, while its sibling model, the fx-991ES, achieved better sales.
- The fx-570ES PLUS was released in the late 2000s with improved functionality, and the fx-570ES was gradually withdrawn from the market. However, to this day, the popularity of the fx-570ES PLUS still does not surpass that of the fx-991ES PLUS.
Calculation modes
- There are eight calculation modes: basic calculation (COMP), complex number calculation (CMPLX), statistical calculation (STAT), base-n calculation (BASE-N), equation calculation (EQN), matrix calculation (MATRIX), table generation using functions (TABLE), and vector calculation (VECTOR).
Functions
The Casio fx-570ES PLUS uses Natural Textbook Display, and linear display mode can also be selected. It has the following functions:
- Basic four arithmetic operations
- Memory calculations
- Variable calculations (8 variables, 1 independent memory, 1 answer memory)
- Square, cube, higher powers, roots, and reciprocals
- Exponential and logarithmic functions with base 10 or e
- Input of π and e constants
- Trigonometric and inverse trigonometric functions
- Hyperbolic and inverse hyperbolic functions
- Factorial function
- Fraction calculations
- Percentage calculations
- Degrees–minutes–seconds calculations
- Scientific notation conversion
- Calculation history
- Expression replay
- Permutations and combinations
- Pseudo-random numbers
- Rounding
- Rectangular and polar coordinate conversion
- One-variable and two-variable statistical calculations, including summation, mean, standard deviation, and two-variable linear regression, logarithmic regression, exponential (e) regression, power regression, inverse regression, and quadratic regression
- Irrational number display
- Differential and integral calculations
- Solving single-variable quadratic equations, two-variable linear equations, single-variable cubic equations, and three-variable linear equations
- Newton’s method for solving equations
- Complex number calculations
- Calculations in binary, octal, decimal, and hexadecimal
- Matrix calculations
- Vector calculations
- 40 scientific constants
- 40 unit conversions
References
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