CITIZEN SR-135T - Manual (Page 5)

SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
- 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.