HP -18C Owner's Manual 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