
4-ENG
Ba20eng.doc BA-20 UK English Susan Gullord
Rev: 11/25/02 8:38 AM Pr: 11/25/02 8:43 AM 4 of 12
Accuracy and Rounding Information
Calculations are accurate to the tenth digit. When a
calculation result exceeds 9999999999, the first 10 digits
are displayed with a decimal point 10 places to the left of
its true position, and
E
is displayed. Position the decimal
point correctly by mentally moving it 10 places to the right
and inserting zeros as required.
Calculations with more than 10 digits to the right of the
decimal point are rounded to 10 digits.
Basic Operations
J
Clears the calculator and the memory.
R
Press once to correct entry errors. Pressing
R
before
@
,
E
,
B
, or
C
clears the
display without affecting calculations. Pressing
R
immediately after
@
,
E
,
B
, or
C
clears
the calculation.
Press
R
twice to clear the calculator; the
memory is not affected.
0
–
9
Enters digits 0 through 9.
H
Enters a decimal point.
G
Changes the sign of the displayed number.
D
Displays the result of a calculation.
Note:
The BA
-
20 completes arithmetic operations as they
are entered.