HP 35s User Manual page 21

Keys for Clearing (continued)
Key Description

The CLEAR menu (       )
contains options for clearing x (the number in the X-register), all
direct variables, all of memory, all statistical data, all stacks and
indirect variables.

If you press (), a new menu     is
displayed so you can verify your decision before erasing
everything in memory.
During program entry,  is replaced by . If you press

(), a new menu     is displayed, so you
can verify your decision before erasing all your programs.
During equation entry,  is replaced by . If you press

(), the     menu is displayed, so you can
verify your decision before erasing all your equations.

When you select (), the command is pasted into the
command line with three placeholders. You must enter a 3-digit
number in the placeholder blanks. Then all the indirect variables
whose addresses are greater than the address entered are
erased. For example: CLVAR056 erases all indirect variables
whose address is greater than 56.
1-5
Getting Started