HP -18C Owner's Manual page 98

Figure 6-1. An Empty SUM Number List
~ I.ITEM(
1)=
.
m~~.lMu~:8~ii!!!'rnll]~iiI~'#i!!'!!I~:m!M;~1:II1!'!ij~#i!!.!'::~=:::j- SUM menu
Q
II
TOTAL=13. 1313
Running total
List pointer
The menu labels show the operations you can perform on your SUM
number list. Table 6-1 briefly describes these operations.
Table 6-1. SUM Menu Keys
Menu Key Description
B1B
Displays the
CALC
menu, which is used to do statistical
calculations.
1ImIII' Used to insert numbers into the list.
IDBII'
Used to delete numbers from the list .
....
Used to name the list.
....
Used to switch from one list to another or to create a new
list.
• Covered in chapter 7.
If you have previously used the SUM menu, your display will look
different. Instead of displaying an empty list, the HP-18C displays
the SUM list you worked with most recently.
You can press [TI to see
more of the list.
To display an empty list, you can:
• Clear the list by pressing
.1
CLEAR ALL
I.
Clearing number lists is
covered in more detail on page 114 .
• Create a new list by pressing . . . ' then
IIJ!DI .
Creating new
number lists is covered in more detail on pages 112 and 113.
96 6: Running Total and Statistics Calculations