HP HP-67

72 Storing and Recalling Numbers
Storing Numbers
To store a displayed number in the primary storage registers R,
through Rg or R, through Rg:
1. Press B8 (store).
2. Press the letter key (E¥ through [3), or the number key ((0)
through (9]) of the desired primary register address.
For example, to store Avogadro’s number (approximately 6.02 X
10%) in register Ry:
Press Display
6.02 E53 23 6.02 23
2 6.020000000 23
Avogadro’s number is now stored in register R,. You can see that
when a number is stored, it is merely copied into the storage register,
0 6.02 X 1023 also remains in the displayed X-register. To store the
square of Avogadro’s number in register Rg:
Press Display
8 3.624040000 47
O 3.624040000 47
The square of Avogadro’s number has been copied into storage
register Rg and also remains in the displayed X-register.
Recalling Numbers
Numbers are recalled from primary storage registers back into the
displayed X-register in much the same way as they are stored. To
recall a number from any of primary storage registers R, through Rg
or R, through Rg:
1. Press GE® (recall).
2. Press the letter key (&8 through (2 ), or the number key ((0)
through (9]) of the desired storage register address.