Casio fx-9860G Slim Hardware User's Guide

To reset your Casio fx-9860G Slim to factory settings, press the 'MENU' button, select 'SYSTEM', then choose 'RESET', and confirm the reset operation.
To update the OS, download the latest OS file from the Casio website, connect the calculator to a computer via USB, and use the FA-124 software to transfer the update file to the calculator.
Press 'MENU', select 'STAT', then choose the type of statistical calculation you wish to perform. Input your data and use the corresponding statistical functions.
First, ensure the calculator has fresh batteries. If the issue persists, try a reset by pressing the 'RESET' button on the back of the calculator.
Yes, you can graph functions by pressing 'MENU', selecting 'GRAPH', inputting your function, and pressing 'EXE' to display the graph. Use the arrow keys to navigate the graph.
To adjust the contrast, press 'SHIFT' followed by 'MENU' to access the setup menu, then adjust the contrast using the arrow keys.
Switch to complex mode by pressing 'MENU', selecting 'COMPLEX', and then use the 'i' button for imaginary components while entering complex numbers.
Connect the two calculators using a 3-pin cable. On one calculator, select 'LINK' from the 'MENU', choose the data to send, and follow the on-screen instructions to complete the transfer.
Yes, to perform matrix operations, press 'MENU', select 'MAT', then input your matrices and use the available matrix functions for calculations.
Ensure that the USB cable is properly connected and that the computer recognizes the device. Update the USB driver if necessary and check that the calculator is in the correct mode for data transfer.