Casio fx82 SOLAR User's Guide
![Casio fx82 SOLAR Calculator manual cover](/images/OFBNPWcTufxwqcTIsyoJbQuK/thumbs/thumb175x175.webp)
To reset the Casio fx82 SOLAR calculator, press and hold the 'ON' button until the display clears. Then release the button. This will restore the calculator to its default settings.
Ensure that the calculator is exposed to adequate light for the solar panel to function. If it still doesn't turn on, check for any obstructions on the solar panel and clean it if necessary.
To calculate the square root, press the '√' button followed by the number you want to find the square root of, then press '='.
The display might be faint due to insufficient light reaching the solar panel. Ensure that the calculator is used in a well-lit environment.
Press the 'MODE' button until you reach the angle unit setting. Then, select '1' for degrees or '2' for radians.
To calculate percentages, enter the number, press '×', enter the percentage, and then press '%'. For example, to calculate 20% of 150, input '150 × 20 %'.
If the calculator resets, it will typically clear all current calculations. To verify, check if the display is cleared and no operation symbols are shown.
For addition, use '+', for subtraction '-', for multiplication '×', and for division '÷'. Input your numbers and operations, then press '=' to get the result.
Ensure that the calculator is in a well-lit area to power the solar panel. If the issue persists, clean the buttons gently with a soft cloth to remove any dirt or debris.
Yes, the calculator can handle trigonometric functions. Use the 'SIN', 'COS', or 'TAN' buttons followed by the angle value, then press '=' to calculate the result.