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General| Type | Scientific |
|---|---|
| Cover | No |
| Form factor | Desktop |
| Control type | Buttons |
| Product color | Gray |
| Digits | 15 digits |
| Display type | Dot-matrix |
| Display resolution | 96 x 31 pixels |
| Display number of lines | 10 lines |
| Storage media type | Not available |
| Battery life | 3 year(s) |
| Battery type | LR44 |
| Power source | Battery/Solar |
| Number of batteries supported | 1 |
| Symbolic notation | Square root |
| Conversion between | Decimal, Fraction, Percent |
| Convert angles from degrees to | Gradian, Radian |
| Random number/integer generator | Yes |
Weight and Dimensions| Depth | 162 mm |
|---|---|
| Width | 80 mm |
| Height | 11.1 mm |
| Weight | 95 g |
Explains how to reset the calculator to its default settings, clearing memory.
Lists essential safety advice, especially concerning battery handling.
Details precautions for handling, battery replacement, and care of the calculator.
Outlines how to select the appropriate mode for different types of calculations.
Introduces the setup menu for customizing calculation execution and display.
Explains how to choose between Natural Display and Linear Display formats.
Explains fundamental rules for entering calculations, including operator precedence.
Details how to input fractions and functions as they appear in textbooks.
Provides methods for deleting characters, inserting text, and clearing the input line.
Details input methods for fractions in Natural and Linear Display modes.
Explains how to perform percentage calculations and their applications.
Covers calculations involving sexagesimal values and conversions.
Explains the use of the Ans memory for storing the last calculation result.
Describes the nine preset variables for storing values and using them in calculations.
Explains how to clear all stored memory data.
Explains how to use trigonometric functions, specifying angle units.
Describes how to use exponential functions like e^x.
Covers functions for powers (x^y) and roots (√, ³√).
Explains how to perform numerical integration.
Explains how to perform differential calculations.
Explains how to save and recall calculation expressions with variables.
Details how to use the SOLVE function to find equation solutions.
Explains how to access and use the calculator's built-in scientific constants.
Details how to perform metric unit conversions using built-in commands.
Explains how to perform calculations with complex numbers.
Introduces the STAT mode and how to select calculation types.
Introduces calculations in different number bases (decimal, hex, bin, octal).
Explains how to solve simultaneous linear, quadratic, and cubic equations.
Introduces matrix calculations and assigning data to matrix variables.
Introduces vector calculations and assigning data to vector variables.
Explains how the calculator displays and handles errors.
Provides steps to troubleshoot potential calculator malfunctions.
Explains the order of operations for calculations.
Lists technical specifications for fx-570ES PLUS and fx-991ES PLUS models.
Provides steps to check if the calculator is a genuine CASIO product.
Addresses common user queries about calculator operation and features.
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