Texas Instruments Calculator Benutzerhandbuch

Because the calculator includes alternative methods that let you clear 
data selectively, use reset carefully to avoid losing data needlessly. (See 
“Clearing Calculator Entries and Memories” on page 6.)For example, you 
might reset the calculator before using it for the first time, when starting 
a new calculation, or when having difficulty operating the calculator and 
other possible solutions do not work. (See “In Case of Difficulty” on 
page 100.)

& } !

1.

Press 

& }. The 

 and 

 indicators appear.

Note: To cancel reset, press 

& U. 

 appears.

2.

Press 

!. 

 and 

 appear, confirming that the calculator is 

reset.

Note: If an error condition exists, press 

P to clear the display before 

attempting to reset.

You can also reset the calculator by gently inserting a pointed object 
(such as an unfolded paper clip or similar object) in the hole marked 
RESET in back of the calculator.

Note: To clear variables selectively, see the specific worksheet chapters in 
this guidebook.

Resetting the calculator: 

•

Clears the display, all 10 memories, any unfinished 
calculations, and all worksheet data.

•

Restores all default settings

•

Returns operation to the standard-calculator mode

One character at a time, starting with the last digit 
keyed in

*

An incorrect entry, error condition, or error 
message

P