22
q
Calculator Mode
The Organizer’s built-in calculator can perform arithmetic calcula-
tions in up to 12 digits.
Calculator mode is selected by
pressing
q
the
appropriate number of times.
Each time you press the key, the
display switches as follows:
Calculation mode
➠
Currency Conversion mode
➠
Metric Conversion mode
➠
...
Before performing any calculations, press
c
twice to clear the
display.
• An error occurs if the integer section of the calculation result
exceeds 12 digits, if the memory exceeds 12 digits, or a number
is divided by zero. (“E” is displayed.)
Press
c
to clear the error message.
O.
<
CALCULATOR
>
Example
Operation
Display
Mixed calculation
(–24+2) ÷ 4=
-
24
+
2
/
4
=
–5.5
Constant/repeat calculation
The second figure is a constant value
(
+
addition,
-
subtraction,
/
division)
34 + 57 =
34
+
57
=
91.
45 + 57 =
45
=
102.
The first figure is a constant value
(
*
multiplication)
68 x 25 =
68
*
25
=
1700.
68 x 40 =
40
=
2720.
Percentage
10% of 200
200
*
10
I
20.
Percentage 9 of 36
9
/
36
I
25.
10% mark-up
200
+
10
I
220.
20% discount
200
-
20
I
160.
Root
√
25 – 9
25
-
9
=
O
4.
A
n
4
3
4
*
=
=
64.
Unit division
1/8
8
/
=
0.125
Memory function
25 x 5 =
R
25
*
5
U
M 125.
–) 84 ÷ 3 =
84
/
3
Y
M 28.
+) 68 +17
68
+
17
U
M 85.
(Total) =
T
M 182.
123456789098 x
145 =
123456789098
*
145
=
17901234419210
E
17.9012344192
(17.9012344192 x 10
12
= 17901234419200)
EL-6990 English U1U_Y1C_LL1_LQO
02.5.15, 4:46 PM
22
Summary of Contents for EL-6990
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