Uploaded January 2023 | Updated September 2026, 3 weeks ago

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This video demonstrates how to erase / reset / clear the memory of the HP 35S scientific calculator.

The memory clear procedure is activated by pressing and holding the 'C' key (bottom left of keyboard), then pressing and holding the 'R/S' key, then pressing the 'I' key and then letting go of all three keys simultaneously.

Note, all settings, variables and programs are erased by performing this procedure.

HP 35S User's Guide: h10032.www1.hp.com/ctg/Manual/c01579350