Casio fx-82AU Plus User's Guide

Casio fx-82AU Plus Calculator manual cover
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Casio fx-82AU Plus Calculator Specification

The Casio fx-82AU Plus is a scientific calculator designed to meet the needs of students and professionals requiring efficient computation and analysis. This model supports a comprehensive range of functions including basic arithmetic operations, fractions, percentages, and statistics, making it suitable for a variety of mathematical tasks. The calculator features a natural textbook display, which allows users to input and view expressions as they would appear in a textbook, enhancing readability and comprehension.

With its dual power source, the fx-82AU Plus operates on both solar and battery energy, ensuring reliability and extended usability. It is equipped with a robust plastic casing to withstand frequent handling and potential impacts, ideal for academic and field environments. The calculator's display accommodates up to 10 digits with two additional exponential digits, providing precision for complex calculations. It includes functions for trigonometry, logarithms, and powers, supporting advanced mathematical operations.

The fx-82AU Plus integrates a multi-replay function, allowing users to review and edit previous entries, which is particularly useful for correcting errors without re-entering data. It also supports statistical calculations such as standard deviation, regression analysis, and combinations and permutations, offering versatility for statistical coursework and analysis. The interface is user-friendly, featuring a well-organized keypad with durable keys designed for frequent use. Overall, the Casio fx-82AU Plus is a reliable, feature-rich scientific calculator that balances functionality with ease of use, making it an essential tool for educational and professional settings.

Casio fx-82AU Plus Calculator F.A.Q.

How do I perform a basic arithmetic operation on the Casio fx-82AU Plus calculator?

To perform a basic arithmetic operation, enter the first number, press the desired operation key (+, -, ×, ÷), enter the second number, and then press the '=' key to display the result.

How can I calculate the square root of a number?

To calculate the square root, press the '√' button, then enter the number and press '='. The calculator will display the square root of the number.

How do I reset my Casio fx-82AU Plus calculator?

To reset the calculator, press SHIFT, then 9 (CLR), then 3 (All), and finally '='. This will reset all settings and clear the memory.

What steps should I take if the calculator is not turning on?

First, check if the battery is inserted correctly and replace it if necessary. If the issue persists, try resetting the calculator using the reset procedure.

How do I use the fraction function on the Casio fx-82AU Plus?

To input a fraction, press the 'a b/c' button. Enter the numerator, press 'a b/c', then enter the denominator. Press '=' to calculate with the fraction.

How can I perform trigonometric calculations?

To perform trigonometric calculations, press the desired trig function button (SIN, COS, TAN), enter the angle, and press '='. Ensure the calculator is in the correct angle mode (DEG or RAD) for your calculation.

How do I change the angle unit from degrees to radians?

To change the angle unit, press SHIFT, then MODE (SETUP), and select the desired angle unit by pressing the corresponding number key (3 for DEG, 4 for RAD).

How can I calculate powers and exponents on this calculator?

To calculate powers, enter the base number, press the '^' button, enter the exponent, and then press '='.

What should I do if the display is not clear or is flickering?

If the display is unclear or flickering, try replacing the battery. Ensure the battery contacts are clean and properly aligned.

How do I use the memory function on the Casio fx-82AU Plus?

To store a number in memory, press 'SHIFT', then 'RCL', and then 'M+' to add the displayed number to memory. Use 'RCL' and 'M-' to recall and subtract from memory, respectively.