CLEAR for the HP 42s

This program was written by Richard Garner and is used here by permission.

This program is supplied without representation or warranty of any kind. The author and The Museum of HP Calculators therefore assume no responsibility and shall have no liability, consequential or otherwise, of any kind arising from the use of this program material or any part thereof.

Overview

The Program returns the 42s to the original startup condition without the loss of programs. It clears all the stacks, key assignments, menus, alpha and numeric memory registers, resets fix notation and commas to original startup settings.

The Program

LINE    KEYS
000  { 30-Byte Prgm }
001   ▶LBL "CLEAR"
002    CLST
003    CLA
004    CLRG
005    CLKEYS
006    CLMENU
007    SIZE 25
008    CF 27
009    SF 28
010    SF 29
011    FIX 04
012    ×
013    STOP
014    END

Variables

None

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