Using A Result In Another Calculation; Editing And Clearing The Calculator Line - HP -18C Owner's Manual

Using a Result in Another Calculation
As you've seen, pressing a number key when the calculator line con-
tains a result starts a new calculation.
If you press an operator key
instead, the HP-18C continues the calculation:
Keys:
7501450
IT]
3.5
0
Display:
220.00
62.86
Description:
Calculates 75
+
145 .
Divides 220 by 3.5.
The HP-18C lets you do chain calculations (calculations based on the
results of previous calculations) without using
0
at the conclusion of
each step. Chapter 2 shows you how to do this.
Editing and Clearing the Calculator Line
The cursor is visible when you are in the process of keying in a num-
ber or doing a calculation. When the cursor is visible, pressing
[!]
deletes the last character you keyed in. When the cursor is not visible,
pressing
[!]
erases the rightmost number.
To clear the calculator line to 0.00, press
.1
CLEAR
I.
Keys: Display: Description:
12345
[!][!]
Edits the calculator line .
. 66
123.66
018.950
142.61 Calculates
123.66
+
18.95 .
• 1
CLEAR
I
0.00 Clears the calculator line
22 1: Starting to Use the HP-18C