HP HP-18C - Using a Result in Another Calculation; Editing and Clearing the Calculator Line

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