Casio Fx-570ES PLUS-2 Scientific Calculator User Manual

1. Introduction

This manual provides comprehensive instructions for the Casio Fx-570ES PLUS-2 Scientific Calculator. Designed for students and professionals, this calculator features a natural display (V.P.A.M.) that allows mathematical expressions to be entered and displayed as they appear in textbooks. It offers 417 functions, making it suitable for a wide range of calculations, including those required for state examinations.

Key features include:

• Natural Display (V.P.A.M.) for intuitive input and output.
• 417 integrated functions covering various mathematical and scientific operations.
• Support for 24 levels of brackets in calculations.
• Suitable for secondary school and university level mathematics.
• Approved for use in maturity examinations.

Figure 1: Front view of the Casio Fx-570ES PLUS-2 Scientific Calculator, showing its natural display and key layout.

2. Safety Information

Please read and understand the following safety precautions before using the calculator:

• This product is intended for indoor use.
• Avoid contact with liquids. Do not immerse the calculator in water or other fluids.
• Keep the calculator away from direct flame or excessive heat sources.
• Do not attempt to disassemble or modify the calculator. This can lead to malfunction and voids the warranty.
• Keep batteries out of reach of small children. If swallowed, seek immediate medical attention.

3. Setup

3.1 Battery Installation

The Casio Fx-570ES PLUS-2 calculator operates on one AAA (R03) battery, which is included. To install or replace the battery:

1. Ensure the calculator is turned OFF.
2. Locate the battery compartment cover on the back of the calculator.
3. Using a small Phillips head screwdriver, carefully remove the screw securing the battery compartment cover.
4. Remove the cover.
5. Insert the AAA battery, ensuring the positive (+) and negative (-) terminals are correctly aligned as indicated inside the compartment.
6. Replace the battery compartment cover and secure it with the screw.

Note: Always use a new AAA (R03) battery for optimal performance. Dispose of used batteries according to local regulations.

3.2 Initial Power On

After installing the battery, press the ON button to power on the calculator. The display should show "0" or a similar initial screen. If the display is blank or shows unusual characters, ensure the battery is correctly installed and fully charged.

4. Operating Instructions

4.1 Basic Operations

• Power ON/OFF: Press ON to turn on. Press SHIFT then AC (OFF) to turn off.
• Clear: Press AC to clear the current calculation and display. Press DEL to delete the last entered character.
• Input: Enter numbers and operations using the keypad. Press = to execute the calculation.

4.2 Natural Display (V.P.A.M.)

The calculator's Natural Display allows you to input and view mathematical expressions, such as fractions, square roots, and integrals, exactly as they appear in textbooks. This enhances understanding and reduces input errors.

• Fractions: Use the a b/c key to input fractions.
• Square Roots: Press √ to input a square root.
• Powers: Use the x² or x^■ keys for powers.

4.3 Scientific Functions

The Fx-570ES PLUS-2 offers 417 functions, accessible directly or via the SHIFT and ALPHA keys. Functions printed above the keys in yellow are accessed with SHIFT, while those in red are accessed with ALPHA.

• Trigonometric Functions: sin, cos, tan and their inverse functions (sin^-1, cos^-1, tan^-1).
• Hyperbolic Functions: hyp (sinh, cosh, tanh) and their inverse functions.
• Logarithmic Functions: log (base 10) and ln (natural logarithm).
• Exponential Functions: 10^■ and e^■.
• Power and Root Functions: x², x^■, √, ³√, ^■√.
• Reciprocal Function: x^-1.
• Permutation and Combination: nPr and nCr.
• Random Number Generation: Access via SHIFT + . (Ran#).
• Coordinate Conversion: Convert between polar and rectangular coordinates.
• Sexagesimal/Decimal Conversion: Convert between sexagesimal (degrees, minutes, seconds) and decimal values.
• Angle Units: Perform calculations in degrees, gradients, and radians. Use MODE SETUP to change angle units.

For detailed instructions on specific functions, refer to the comprehensive digital manual available on the Casio website.

5. Maintenance

5.1 Cleaning

To maintain the calculator's appearance and functionality:

• Wipe the exterior of the calculator with a soft, dry cloth.
• Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the casing and display.
• Avoid spraying liquids directly onto the calculator.

5.2 Storage

When not in use, store the calculator in a cool, dry place, away from:

• Direct sunlight or high temperatures (e.g., inside a car).
• High humidity or dusty environments.
• Strong magnetic fields.

If storing for an extended period, it is recommended to remove the battery to prevent leakage and potential damage to the calculator.

6. Troubleshooting

If you encounter issues with your Casio Fx-570ES PLUS-2, refer to the following common problems and solutions:

• Calculator does not turn on:
  • Check if the battery is correctly installed with the correct polarity.
  • Replace the AAA battery with a new one.
• Display is blank or shows unusual characters:
  • The battery may be low. Replace it.
  • Press the AC button to clear the display.
  • Perform a calculator reset (see below).
• Incorrect calculation results:
  • Verify the input values and operations.
  • Check the current mode settings (e.g., angle units: DEG, RAD, GRA). Adjust using MODE SETUP.
  • Ensure you are using the correct function keys (e.g., SHIFT or ALPHA where necessary).
  • Perform a calculator reset.

6.1 Resetting the Calculator

If the calculator malfunctions or behaves unexpectedly, a reset can often resolve the issue. To reset the calculator:

1. Press SHIFT.
2. Press 9 (CLR).
3. Select the desired reset option:
   • 1: Setup (Resets setup settings only)
   • 2: Memory (Clears all variables and answer memory)
   • 3: All (Resets all settings and clears all memory)
4. Press = (Yes) to confirm the reset.
5. Press AC to return to normal calculation mode.

7. Specifications

Figure 2: Example of a specification sheet for the Casio Fx-570ES PLUS-2 Scientific Calculator.

8. Warranty and Support

For information regarding warranty coverage, product support, or to access the full digital manual, please visit the official Casio website or contact Casio customer service in your region. Keep your purchase receipt as proof of purchase for warranty claims.

You can find more information and support resources at the Casio Store on Amazon.