Sharp Electronic Organizer EL-6990 - Manual (Page 24)

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