User Manual Q&AAnswer
Nov 02, 2024 - 12:53 AM
Performing basic arithmetic calculations on the Casio fx-991ES calculator is straightforward. Here's a step-by-step guide:
1. Turn on the calculator by pressing the AC/ON button.
2. Use the number keys to enter the first number of your calculation.
3. Press the operation key (+, -, ×, ÷) corresponding to the desired arithmetic operation.
4. Enter the second number using the number keys.
5. Press the equals (=) key to display the result.
For example, to add 5 and 3, follow these steps:
1. Press 5.
2. Press the + key.
3. Press 3.
4. Press the equals (=) key to see the result, which should be 8.
Please refer to the user manual provided for more detailed instructions and examples on performing various arithmetic calculations using the Casio fx-991ES calculator.
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