HP HP-18C - Page 101

Example: Updating a checkbook. On May 30, a checking account
balance was $267.82. The transactions for the first 10 days in June
are:
Date Transaction Amount Date Transaction
Amount
6/1
Balance 267.82
6/3
Check
-128 .90
6/1
Deposit 837.42
6/7
Check
-65 .35
6/1
Check
-368.23
6/10
Deposit 55.67
6/2
Check
-45.36
Update the checkbook by calculating the running balance.
Starting from the MAIN menu:
Keys:
1ImDI *
.[ CLEAR ALL I
..
267 . 82 [ INPUT I
837.42 [ I NPUT I
368.23 [1J
[ INPUT 145.36
[1J [ INPUT I
128.90 [1J
[ INPUT 165.35
[1J[ INPUT I
55.67 [ INPUT I
Display:
• ITEt-l( 1 ) =
TOTAL=0.00
.ITEM(l)=
TOTAL=0,00
ITEM( 1 )=267,82
• ITE~1(2)=
TOTAL=267,82
ITEt1(2)=837,42
.ITEM(3)=
TOTAL= 1.,105,24
ITE~1( 7) =55,67
• ITEt-l( 8) =
TOTAL=553 , t17
Description:
Displays the SUM menu.
Clears the number list.
Enters
the beginning
balance .
Enters
the deposit on
6/1.
Enters the remaining
transactions .
* If you want to preserve the current number list, skip the next step (pressing .1 CLEAR ALL I ).
Instead, name the list (refer to page 111), and then press "1Il& .
6: Running Total and Statistics Calculations 99