Casio S100 User's Guide
![Casio S100 Calculator manual cover](/images/wQIoscoiEAHSVGpsKyflptsr/thumbs/thumb175x175.webp)
To perform a factory reset on the Casio S100, press and hold the 'Shift' key, then press 'CLR' (Clear). Follow the prompts to confirm the reset. This will erase all data and restore default settings.
First, check if the calculator is powered on. If it is, try replacing the batteries. If the display remains unresponsive, perform a reset by pressing 'SHIFT' + 'CLR'. If the issue persists, contact Casio support.
Press the 'MODE' key repeatedly until the display shows 'FIX'. Then, enter the number of decimal places you wish to set (0-9) and press 'EXE' to confirm.
Use 'M+' to add a value to memory, 'M-' to subtract a value, 'MR' to recall the stored memory value, and 'MC' to clear the memory.
Turn off the calculator and open the battery compartment on the back. Remove the old batteries and insert new ones, ensuring the polarity (+/-) is correct. Close the compartment and turn the calculator on.
Ensure that the calculator is not set to an incorrect mode, such as 'GRAD' or 'BIN'. Check the 'MODE' settings and switch to the appropriate mode for your calculations, such as 'DEC' for decimal calculations.
To input fractions, use the 'a b/c' button. Enter the numerator, press 'a b/c', enter the denominator, and then press 'EXE' to calculate. The calculator will display the result in fractional form.
First, check if the calculator is on. If it is, try a reset by pressing 'SHIFT' + 'CLR'. If the problem continues, remove and then reinsert the batteries. If the issue persists, seek technical support.
Press 'MODE' until you see 'SCI' on the display. Enter the number of significant digits you want (up to 10), and press 'EXE'. The calculator will now display results in scientific notation.
Yes, switch to 'CMPLX' mode by pressing 'MODE' until 'CMPLX' appears. Use the 'i' button to input imaginary numbers and perform calculations as required.