hp-support-head-portlet

Actions
Loading...

HP Customer Support

hp-contact-secondary-navigation-portlet

Actions
Loading...

hp-share-print-widget-portlet

Actions
Loading...

hp-concentra-wrapper-portlet

Actions
Loading...

HP 9S Calculator - Resetting the Calculator

The instructions below explain how to restore the HP 9S calculator to normal operation.
Clearing
If there is an overflow or error indicator on the display of the calculator, clear it by pressing the ON/C key.
Resetting
If the calculator locks up, and pressing keys has no effect, press M+ and ENG at the same time. This unlocks the calculator and returns all settings to their default values.

hp-feedback-input-portlet

Actions
Loading...

hp-online-communities-portlet

Actions
Loading...

Ask the community!


Support Forum

Support Forum

Join the conversation! Find Solutions, ask questions, and share advice with other HP product owners. Visit now


hp-feedback-banner-portlet

Actions
Loading...

hp-country-locator-portlet

Actions
Loading...
Country: Flag United States

hp-detect-load-my-device-portlet

Actions
Loading...