Citizen Systems SR-135N User Manual

Page of 182
 
SR135_English_090326.rtf     SIZE : 140x75mm     SCALE 2:1       
2009/3/26 
E5 - 
CALCULATION 
EXAMPLE 
KEY OPERATION 
LCD DISPLAY 
WHAT IS 30% OF 
450? 
450 [x] 30 [SHIFT] [%]
[=]
0.3
135.
WHAT 
PERCENTAGE OF 
600 IS 120? 
(120
÷
600x100=20) 
120 [
÷
] 600 [SHIFT] [%]
[=]
6.
20.
WHAT 25% OF 400 
IS AN EXTRA? 
(400+(400x25/100) 
=500) 
400 [+] 25 [SHIFT] [%]
[=]
100.
500.
WHAT 25% 0F 400 
IS A DISCOUNT? 
(400–(400x25/100) 
=300) 
400 [–] 25 [SHIFT] [%]
[=]
100.
300.
 
(13)  Trigonometric and arctrigonometric function / Hyperbolic and arc 
hyperbolic trigonometric function (1-variable) 
 
([sin], [cos], [tan], [sin
1
], [cos
1
], [tan
1
]). 
 
These function are calculated according to respective defined 
areas and accuracy shown in behind chart, any displayed result 
of operation can become operators. 
 
(14)  Exponential and Logarithmic functions (1-variable). 
 ([In], 
[log], 
[e
X
], [10
X
]) Same as Trigonometric functions. 
 
(15)  Reciprocal, Square, Square Root, and Cube Root. 
 
([1/x] , [x
2
], [ 
 ] , [ 
3
 ]) Same as Trigonometric functions.     
 
(16) 
[        ]
  a. These keys convert degrees, minutes, seconds, into 
decimal degree and decimal degrees into degree 
minutes, and seconds. 
 
b. On the “
” format, the integer part of display data is 
regarded as degree, 2 digits below the decimal point 
as minutes and the 3rd digit and belows as seconds. 
  
Example: 
 
   
[
]         <degree minute second> 
 2.111111111 
[SHIFT] 
[
  2            06      3999 
 
   
 
 
 
                        (39.99 seconds) 
 
(17) Binary mode ([SHIFT], 
[     ]
BIN
, [0], [1] ). 
 
a. Data input and output are both binary integers in a maximum 
of 10 digits. 
 
b. A negative number is expressed in binary of two's 
complement.