User Guide
Page 38
...power back on . k Restart and Reset u Restart Should the calculator start to act abnormally, you edit a program, graph function, or other data in calculator memory and return all mode settings to delete all important data....instructed. Note, however, that you continue using the calculator without replacing batteries, power will not be lost. Once this happens, you turn power off to turn off the calculator and replace batteries as a last resort. RESTART button P button fx-9860GⅡ SD fx-9860GⅡ fx-9860G AU PLUS fx-9750GⅡ fx-7400GⅡ fx-9860G SD fx...
...power back on . k Restart and Reset u Restart Should the calculator start to act abnormally, you edit a program, graph function, or other data in calculator memory and return all mode settings to delete all important data....instructed. Note, however, that you continue using the calculator without replacing batteries, power will not be lost. Once this happens, you turn power off to turn off the calculator and replace batteries as a last resort. RESTART button P button fx-9860GⅡ SD fx-9860GⅡ fx-9860G AU PLUS fx-9750GⅡ fx-7400GⅡ fx-9860G SD fx...