30  Section 1: Getting Started 
 
File name: HP 12c Pt Converted_user's guide_English_HDP0F123E02_080207  Page: 11 of 281 
Printed Date:  {  2007/8/2Dimension: 14.8 cm x 21 cm 
 
Keystrokes Display  
22.95
?-
0 
22.95 
Subtracts the first check from the 
balance in R
0
. Note that the display 
continues to show the amount 
subtracted; the answer is placed only 
in R
0
. 
13.7
?-
0 
13.70 
Subtracts the second check. 
10.14
?-
0 
10.14 
Subtracts the third check. 
1053
?+
0 
1,053.00 
Adds the deposit. 
:
0 
1,064.54 
Recalls the number in R
0
 to check the 
new balance.