E-27
Using the Calculator function
The built-in calculator in the Electronic Dictionary can perform twelve-digit
arithmetic calculations with memory function. To access the Calculator function,
press 
a
.
Prior to initiating calculations
• This product uses a comma ‘,’ as a decimal separator; a period is used as a
thousand separator.
• Before performing any calculation, press 
@
 
@
 
b
 to clear the
memory and the display.
•To start a calculation with a negative number, place a subtraction sign by
pressing 
-
 at the beginning of the calculation.
• If you wish to correct a wrong entry, press 
!
 and re-enter the figure.
• In the calculation examples found in this section, indications and icons that may
appear on the screen (‘=’, ‘M+’, ‘M-’, ‘+’, ‘–’, ‘x’, and ‘÷’) are abbreviated or are not
shown. These icons appear to show you the interim result of calculations. For
example, the ‘=’ icon appears on the screen when 
=
 or 
%
 is pressed, while
icons such as ‘M+’ and ‘+’ appear after each corresponding key has been
pressed.
• An ‘M’ is shown when a value other than 0 is put in the memory. To clear the
content of the memory, press 
@
 twice. Note that the pressing of 
$
 or 
#
also functions as 
=
.
• Press 
 to enter ‘=’. To input ‘,’ (decimal separator), press  .
• An error message ‘E’ is displayed if:
• the integer section of a calculation result exceeds 12 digits
• the memory exceeds 12 digits
• an attempt is made to divide a number by zero.
Press 
!
 to clear the error condition.
Calculation examples
Example
(–24) 
÷
 4 – 2 =
34 + 57 =
45 + 57 =
68 
×
 25 =
68 
×
 40 =
What is 10% of 200?
What percentage is 9 of 36?
200 + (200 
×
 10 %) =
500 – (500 
×
 20 %) =
(4
3
)
2
 =
1/8
25 
×
5 =
–) 84 
÷
3 =
+) 68 + 17 =
(Total) =
135 
×
 (12 + 14) =
(12 + 14) 
÷
 5 =
123456789098 
×
 145 =
Operation
! -
 24 
/
 4 
-
 2 
=
34 
+
 57
=
The second figure (57)
45
=
becomes the constant.
(Subtraction and division are performed in
the same way as above.)
68 
*
 25
=
The first figure (68)
40 
=
becomes the constant.
200 
*
 10 
%
9 
/
 36 
%
200 
+
 10 
%
500 
-
 20 
%
4 
*
 
=
 
=
 
*
 
=
8 
/
 
=
@
 
@
 25 
*
 5 
$
84 
/
 3 
#
68 
+
 17 
$
@
@
 
@
 12 
+
 14 
$
135 
*
 
@
 
=
@
 
/
 5 
=
@
 
@ b
123456789098 
*
 145 
=
!
Display
–8,
91,
102,
1.700,
2.720,
20,
25,
220,
400,
4.096,
0,125
M
125,
M
28,
M
85,
M
182,
M
26,
M
3.510,
M
5,2
0,
E
17,9012344192
17,9012344192
(17,9012344192 
×
 10
12
 = 17901234419200)