HP (Hewlett-Packard) - 9s

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Contents

hp 9s Scientific Calculator General Operations Power Supply On or Off To turn the calculator on press ON C To turn the calculator off press 2ndF OFF Auto power off function The calculator automatically turns off if it has not been used for approximately 9 minutes Power can be restored by pressing the ON C key again Memory contents and the current mode setting STAT DEG CPLX Base n etc are retained when you turn off the power and when the calculator automatically turns off Battery replacement The calculator is powered by two alkaline button batteries GP76A or LR44 If the display becomes dim and difficult to read the batteries should be replaced as soon as possible To replace the batteries 1 Slide the battery cover off and remove th ...