Sharp EL-6990 operation manual Calculator Mode, CAL Culat or, Example Operation Display

qCalculator Mode

The Organizer’s built-in calculator can perform arithmetic calcula- tions in up to 12 digits.

Calculator mode is selected by	<CALCULATOR>
pressing qthe
appropriate number of times.	O .
Each time you press the key, the
display switches as follows:

Calculation mode ➠ Currency Conversion mode ➠

Metric Conversion mode ➠...

Before performing any calculations, press ctwice 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.

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.
		An
43		4 *==				64.
		Unit division
1/8		8 /=				0.125
		Memory function
	25 x 5 =	R25 *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				E17.9012344192
		(17.9012344192 x 1012 = 17901234419200)

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