Deleting And Correcting Data - HP -34C Owner's Handbook Manual

Specific Features of the HP-34C 31
Deleting and Correcting Data
If you key in an incorrect value and have not yet pressed (7](z+),
press and key in the correct value.
If you wantto change one ofthe values, orif you discoverafter pressing
™ that one of the values was erroneous, you can correct the
accumulations by using the (2-] (summation minus) key as follows:
1. Key the incorrect data pair into the X- and Y-registers. (You can
use to return a single incorrect data value to the displayed
X-register.)
2. Press (@] [z-)to delete the incorrect data.
3. Key in the correct values forx and y. If one value of an (x,y) data
pair is incorrect, you must delete and reenter both values.
4. Press [f][(z+).
For example, if the last data pair (8,9) in the previous example should
have been (8,6), you could correct the accumulation as follows:
Keystrokes Display
9 9.0000
8 8.
)] 2.0000
g 6.0000
M g:oooo
Incorrect y value is entered
again.
Correct x value is entered
again.
Numbered of entries (r) is
now two.
Correct y value is entered.
X value is entered again.
Number of entries is again
three.