Zenith Z-170, Owner'S Manual

Page: 40 / 147

34
Operation
Memory Plus key
-
For adding an entry to the Memory
Value. Can also be used instead of the equal key to finish
a calculation while adding the result to the Memory Value.
Memory Minus key
-
For subtracting an entry from the
Memory Value. Can also be used instead of the equal key
to finish a calculation while subtracting the result from the
Memory Value.
Memory Recall key
-
For including the Memory Value
in calculations.
Memory Clear key
-
For resetting the Memory Value
to zero.
Clear Entry key
-
For correcting erroneous entries and
error conditions such as overflow.
Clear key
-
Empties the display, total, and constant regis­
ters, but
not
the Memory Value.