HP 25 Owner's Handbook Manual page 62

58 Function Keys
as
2 1] lYJ
26miimJ28El
57.500
EmJ El5
I
5170.00
103.40
103.40
I
54.00
I
3105.00
I
3105.00
I
93.15
I
93.15
8078.45
Gross placed in storage
register R
5
.
Deductions for Monday and
Tuesday .
Deductions subtracted from
total in storage register R
5
.
Wednesday' s tonnage.
Gross amount for Wednesday.
Wednesday's gross amount
added to total in storage
register R
5 .
Deduction for Wednesday.
Wednesday deduction sub-
tracted from total in storage
register R
5 .
The farmer ' s total net income
from his tomatoes.
(You could also work this problem using t he stack alone , but it
illustrates how sto rage register arithmetic works.)
Storage Register Overflow
If the magnitude ofa number in any of the eight storage registers
exceeds 9.999999999 x 10 99 , the HP-25 display immediately
shows ~
(a ve/flow)
to indicate that a storage register has
overflowed.
For example , if you use storage register arithmetic to attempt
to calculate the product of I x 10 5 0 and
7.5
x 10 5 0 in register R
o ,
the register overflows and the display shows[QIJ. To see the
result of storage register overflow:
Press Display
050
mO
7.5050
EmJ00
1.
1.0000000
7.5
OF
50
I
50
I
50
I
1 x 10
50
placed into storage
reg ister Ro.
When you mUltiplied using
storage register arithmetic ,
register Ro overflowed.
To clea r a storage register overflow displ ay, merely press