SR-135T
Scientific Calculator
FEATURES.........................................................................2
THE KEYBOARD AND OPERATING CONTROLS ............2
DISPLAY ..........................................................................10
CALCULATION ................................................................11
1. Calculation order of priority................................................ 11
2. Addition, subtraction, multiplication and division and
constant calculations. ........................................................ 12
3. Memory calculation............................................................ 13
4. Calculations with parenthesis. ........................................... 14
5. Coordinate conversion:...................................................... 14
6. Complex Calculation.......................................................... 15
7. Statistical calculation. ........................................................ 16
SPECIFICATIONS ............................................................17
AUTOMATIC POWER OFF ..............................................17
REPLACING THE BATTERIES........................................17
E1 -
-
SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
FEATURES
(1) Normal operations.
Four operation (+, −, x,
percentage.
(2) Memory calculation (XÆM, MR, M+).
(3) General mathematical function:
Trigonometric (3) Arctrigonometric (3)
Logarithmic (2) Exponential (2)
Square Power
Square Root Cube Root
), xy,
÷
y
, auto-constant, parenthesis,
x
Root
Parenthesis Reciprocal
EXP +/
SCI Factorial
DEG, RAD, GRAD Degree, minute, second conversion (2)
FIX X↔Y
RND Coordinate conversion.
(4) Binary, octal, decimal and hexadecimal mode.
Mutual conversions and calculations of binary, octal, decimal, and
hexadecimal numbers.
(5) Memory protection when power off.
(6) An automatic power off feature to preserve battery life.
(7) Statistics calculations.
• Number of sample (n).
• Total of square of all data (Σx
• Average ( x ).
• 2 kinds of the standard deviation (
π
−
2
).
n–1
n
,
σ
).
σ
• Total of all data (Σx).
(8) 2-variable function polar-rectangular coordinate conversion.
THE KEYBOARD AND OPERATING
CONTROLS
(1)
2. Set and clear the statistics mode.
SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
SD
[]
ON/C
: 1. Power on and clear an error condition.
-
E2 -
(2)
2. Factorial function (x!).
x! = n x (n−1) x (n−2) x (n−3) x .....x 2 x 1
x!
: 1. Clear entry key.
[]
CE
(3)
[OFF]
(4)
[SHIFT]
(5)
b. Pressing this key after [SHIFT] key shall change the
DEG Æ RAD : RAD = DEG x π/180
RAD Æ GRAD : GRAD = RAD x 200/
GRAD Æ DEG : DEG = GRAD x 180/200
(6)
(7)
b. When press as the first number, it is regarded as [0]
: Power off key.
: This is the key for specifying the second function. When
this key is pressed, the special display “SHIFT” lights.
When this key press twice continuously, the second
function mode releas.
[]
DRG
[0] ~ [9]
RND
[ ]
: a. Pressing this key will change the mode of angle unit
sequentially
on LCD.
mode of angle and shall convert the displayed data.
: Press these keys in their logical sequence to enter
: a. Use to set the decimal point when entering numbers.
y
and [ • ] keys are pressed.
numbers.
ÆÆÆ
DEG RAD GRAD
and display it
π
c. Random as a second function.
Pressing this key shall display the random number.
The range of random number is 0.000~0.999.
(8)
b. For the operation result, this key reverse code in the
(9)
a. When the key operations are performed by these keys
1) 1-variable function.
2) Expression in "( )"; (The most inner expression has priority
3) xy,
4) x,
: a. In setting data in the mantissa section, this key reverse
[+/−]
code in the mantissa section similarly for exponent
section, it reverse code in the exponent section.
mantissa section.
[+], [−], [x], [ ÷ ], [ ( ], [ ) ]
according to a numerical expression, a result of operation is
obtained according to mathematical priorities. Priorities
discriminated are:
in case of multiple parenthesis)
y
x
÷
5) +, −
E3 -
-
SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
b. Whenever the key is operated, the calculator discriminates the
above priorities and holds the data and operation keys pending
as required.
This pending action is possible up to 6 times, and 15 levels or
more pending become error.
c. [ ( ] key is accepted only immediately after [CE], [+], [−], [x], [÷],
y
], [
y
], [=], [ ( ] keys can not accepted in all other cases.
x
[x
When this key is accepted, the displayed data is cleared to 0.
When [ ( ] key is first accepted, the special display “( )”
illuminates.
When a parenthesis expression is completed [ ) ] and [=] key or
When it is cleared by the [ON/C] key, etc. or when errors are
generated, the special display “( )” goes out.
d. If it is within the allowable range of pending, [ ( ] can be input
into any place in an expression as many times as desired.
However, if the key is pressed continuously 16 times or more, it
becomes error.
e. From a viewpoint of numerical expression when the
corresponding “ ) ” key is not pressed, the operation is not
executed even if the “ ( ” key is pressed. On the other hand,
When the “ ( ” key is pressed and the “ = ” key is the pressed
without pressing the corresponding “ ) ” key, the operation is
also completed according to the priority.
(10) [XÆM], [MR], [M+] Memory calculation
a. The memory register “M” used by these keys is a completely
independent single memory.
b. Display data is added to “M” (memory register) by [M+] key. If
data overflows at this time, the proceeding data is hold.
c. Display data is stored in “M” by [XÆM] key.
d. Contents of “M” is displayed by [MR] key.
e. When any data except for 0 is stored in “M”, the special display
(11)
“M” illuminates.
[]
EXP
: 1. Exponent select key.
2. This key display a rounded value : 3.141592654.
(12)
%
: Calculation
[]
=
a. When any arithmetic functions constant mode has been set, the
displayed number is converted from a percentage to a decimal.
Example: 61.5%
Key Input Display
[6] [1] [ • ] [5] [SHIFT] [%] 0.615
b. When [=] key is pressed after [%] following arithmetic function
will be executed.
E4 -
-
SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
CALCULATION
N
EXAMPLE
WHAT IS 30% OF
450?
KEY OPERATION LCD DISPLAY
450 [x] 30 [SHIFT] [%]
[=]
135.
0.3
WHAT
PERCENTAGE OF
600 IS 120?
(120
600x100=20)
÷
120 [
] 600 [SHIFT] [%]
÷
[=]
6.
20.
WHAT 25% OF 400
IS AN EXTRA?
(400+(400x25/100)
400 [+] 25 [SHIFT] [%]
[=]
100.
500.
=500)
WHAT 25% 0F 400
IS A DISCOUNT?
(400−(400x25/100)
400 [−] 25 [SHIFT] [%]
[=]
100.
300.
=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], [eX], [10X]) Same as Trigonometric functions.
(15) Reciprocal, Square, Square Root, and Cube Root.
([1/x] , [x
(16)
[ ]
a. These keys convert degrees, minutes, seconds, into
2
], [ ] , [
3
])same as Trigonometric functions.
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:
[
2.111111111 [SHIFT] [
] <degree minute second>
] 2 06 3999
(39.99 seconds)
(17) Binary mode ([SHIFT],
BI
[ ]
, [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.
E5 -
-
SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
c. The range of internal operation is as shown below and if the
result of the operation exceed the range, it becomes an error
(overflow).
Binary Number Decimal Number
Outside the
operation range
Binary
Positive
Integer
Binary
Negative
Integer
(Complement)
___
111111111
111111110
111111101
10
111111111
111111110
111111101
: :
: :
1000000001
1000000000
512≤ DATA
511
510
509
:
:
:
:
2
1
0
1
0
1
−
2
−
3
−
:
:
511
−
512
−
Outside the operation
range
(18) Octal mode ( [SHIFT],
OCT
[ ]
, [0] ~ [7] ).
x
DATA
≤ −
512
a. Data input and output are both octal integers with a maximum
of 10 digits.
b. A negative number is expressed in the octal number display of
two’s complement.
c. The range of internal operation is as shown below and if the
result of the operation exceed the range, it becomes an error
(overflow).
Octal Number Decimal Number
Outside the
operation range
___
3777777777
536870912
DATA
≤
536870911
Octal
3777777776
536870910
Positive
:
:
Integer
:
:
E6 -
-
SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
1
1
0
777777777
777777776
0
1
−
2
−
Octal
111111101
Negative
: :
:
Integer
: :
:
(Complement)
4000000001
4000000000
Outside the operation
range
536870911
−
536870912
−
DATA
536870913
≤ −
(19) Hexadecimal Mode ([SHIFT], [HEX], [0] ~ [9], [A] ~ [F]).
a. Data input and output are both hexadecimal integer with a
maximum of 10 digits.
b. A negative number is expressed in a hexadecimal number of
two's complement.
c. The range of internal operation is as shown below and if the
result of operation exceed the range, it becomes an error
(overflow).
Outside the
operation range
Hexadecimal
Positive
Integer
Hexadecimal
Negative
Integer
(Complement)
Outside the operation
range
Hexadecimal Number Decimal Number
10
___
2 5 4 0 B E 3 F F
2 5 4 0 B E 3 F E
:
:
1
0
F F F F F F F F F F
F F F F F F F F F E
:
:
F D A B F 4 1 C 0 2
F D A B F 4 1 C 0 1
1x10
9999999999
9999999998
−
−
DATA
DATA
≤
:
:
−
−
9999999998
9999999999
10
1x10
≤ −
1
0
1
2
:
:
(20)
FIX
[]
1. Used to switch between display mode.
SCI
2. Used to set the number of digits display after the
decimal point. Example:
E7 -
-
SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
Key input display
[2] [÷] [3] [=] 0.666666666
FIX
[SHIFT]
[SHIFT]
[]
FIX
[]
SCI
[]
[5] 0.66667
SCI
6.66667-01
FIX
[ • ] 6.6666666-01
SCI
(21) [X↔Y] : Exchange key.
Used to exchange the displayed number with the
contents of an internal register.
(22) [a], [b], [RÆP], [PÆR] : Coordinate conversion.
a. These keys convert the rectangular coordinate into the polar
coordinate and the polar coordinate into the rectangular
coordinate. The range units that have been set by the [DRG]
key follow.
b. Respective defined areas and accuracy are as shown in
behind chart however, the range of
obtained by RÆP in
θ
degree is as follows:
1st Quadrant 0°
2nd Quadrant 90°
3rd Quadrant −180°
4th Quadrant −90°
90°
≤ θ ≤
180°
≤ θ ≤
≤ θ ≤ −
≤ θ ≤
90°
0°
c. Input of 2 variable is performed by setting x or r pressing [a]
key and y or
pressing [b] key.
θ
d. The operation result of x or r is obtained in the display register
or by pressing [a] key and y or
by pressing [b] key.
θ
Input Data Result
a b a b
RÆP
(RectangularÆPolar)
x y r
θ
PÆR
(PolarÆRectangular)
(Ær, θ) r =
22
yx + , θ = tan
r
−1
y/x
θ
x y
(Æx, y) x = r cos θ, y = r sin
SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
θ
E8 -
-
e. (RÆP Conversion)
x
f. (PÆR Conversion)
([x, y]Æ[r, θ])
([r, θ]Æ[x, y])
Key operation Display Key operation Display
x x
a x b
θθ
θ
y y r r
b y a r
RÆP r PÆR x
b
θ
(23) Statistical calculation mode ([SHIFT]
b y
SD
[]
ON/C
).
a. When you calculate the calculation of statistics, pressing
[SHIFT]
SD
[]
ON/C
keys for statistics mode ("SD" sign ). When
you clear to statistics mode, press the same keys ([SHIFT]
SD
[]
ON/C
).
b. You can't perform the memory calculation, parenthesis
calculation or conversion of coordinates.
c. [DATA] : Data entry key. [DEL] : Data clear key.
d. you can calculate the following statistical volume in this
calculator.
1. n : Number of data (Number of sample).
2.
3.
4.
5.
6.
x : Total of datum.
Σ
x2 : Total of square of each data.
Σ
: Average of datum.
n–1
: The sample standard deviation of the data.
σ
n
: The population standard deviation of the data.
σ
n
Xi
Σ
i
=
x
=
n
Σ
σ
1
n
=−
i
n
1
n
2
)(
−
xXi
1
=
1
−
x
Σ
=
n
2
)(
Σ
2
x
=
x
−Σ
n
1
−
n
n
Σ
=
σ
n
SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
i
2
)(
−
xXi
1
=
n
-
=
E9 -
2
−Σ
x
2
)(
Σ
x
n
n
CPLX
(24)
: Digit erase / Complex number mode key. When
exponential portion is not specified:
[ Ź ] : Upon pressing this key immediately after the
value is entered, displayed value is shifted to
the right and the last digit is erased.
Example: Entry Display
123456 Î 123456.
[ Ź ]Î 12345.
[ Ź ] [ Ź ]Î 123.
456Î 123456.
When exponential portion is entered: Numberals in
exponential ponential portion are shifted right and last digit
is erased. At this point, 0 replaces the first digit in the
exponential.
Example: Entry Display
5 [EXP] 24 Î 5. 24
[ Ź ] Î 5. 02
[ Ź ] Î 5. 00
42 Î 5. 42
[SHIFT] [CPLX] : Setting and clearing of complex number
mode are executed alternately.
Y
(25)
x
: Power / Root key
y
][
x
[Xy] : Press any number [X], [Xy], any number [y], and [=] to raise
y to the x power.
[SHIFT] [
y
] : Press any number [x] [SHIFT] [
x
number [y], and [=] to display the y root x.
DISPLAY
y
x
], any
• Display style
E10 -
-
SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
• Special display
Examples of display
• Floating of -6000 1/x; FIX =7
• Same as above, engineering display
• Error display
CALCULATION
1. Calculation order of priority.
Because there is automatic priority of operations Logic the
calculations, may be performed as expressed in the equation.
(Calculation order of priority).
1. Function calculations.
2. Calculation in ( ).
3. Power and Root calculation.
4. Multiplication and division.
5. Addition and subtraction.
(Where the priority of two operations are the same they are performed
in the order in which they appear).
E11 -
-
SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
2 COS
5 4 x 7 + 3 x 0.5
÷
(1) (4)
Example:
(2) (5)
(3) (6)
(7)
Key Input Display
60
°
= 4.308820344
[5] [
÷
[4] [x2]
[x]
[7] [+]
[3] [x]
[ • ] [5] [x
y
[6] [0] [cos]
[=]
]
]
4.308820344
5.
16.
0.3125
2.1875
3.
0.5
0.5
.............. (1)
.............. (2)
..............(3)
..............(4)
......(5)(6)(7)
When execution starts with high priority calculations it is necessary to
save low priority calculation, and for that reason there are 6 internal
storage levels supplied.
These storage levels are also used in calculations involving
parenthesis, therefore as long as priority operations involving
parenthesis do not exceed 15 levels the calculations may be
performed as they appear in the equation.
2. Addition, subtraction, multiplication and
division and constant calculations.
The added in addition, subtracted in subtraction, multiplicand in
multiplication, the divisor in division and the x value in power (x
Root (
y
).Calculations takes on the value of constant.
x
Example:
1. 123 + 456
= 7. 123 ÷ 4 =
2. 789 + 456 = 8. 456 ÷ 4 =
3. 123
4. 789
5. 123 x 456 = 11.
456 = 9. 74 =
−
456 = 10. 84 =
−
5
E12 -
-
127
=
y
) and
SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
6. 123 x 789 = 12.
5
1024
=
NO. Key Input Display
1 . [1] [2] [3] [+] [4] [5] [6] [=]
2 . [7] [8] [9] [=]
3 .
[1] [2] [3] [
] [4] [5] [6] [=]
−
4 . [7] [8] [9] [=]
5 . [1] [2] [3] [x] [4] [5] [6] [=]
6 . [7] [8] [9] [=]
7 .
[1] [2] [3] [÷] [4] [=]
8 . [4] [5] [6] [=]
9 .
[7] [x
y
] [4] [=]
10 . [8] [=]
y
11 .
[1] [2] [7] [SHIFT] [
] [5] [=]
x
579.
1245.
333.
−
333.
56088.
97047.
30.75
114.
2401.
4096.
2.634879413
12 . [1] [0] [2] [4] [=]
4.
3. Memory calculation
Input and output the independent memory is done by pressing [XÆM],
[MR], [M+]
Example: 123 x 2
456 x 3
789 x 4
+) 1470
Total 6240
Key Input Display
[ON/C] [XÆM]
[1] [2] [3] [x] [2] [M+]
[4] [5] [6] [x] [3] [M+]
M
246.
M
1368.
0.
E13 -
-
SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
M
[7] [8] [9] [x] [4] [M+]
[1] [4] [7] [0] [M+]
[MR]
3156.
M
1470.
M
6240.
4. Calculations with parenthesis.
Parenthesis are used when it is desired to perform calculations in a
first priority that usually followed for the +,
, x, ÷, xy,
−
In other words the “(” “)” force those prior operations it to be pending
until the calculation inside the parenthesis are performed.
Parenthesis may be used in a chained calculation as long as the total
of levels ending due to the automatic priority Logic and parenthesis
does not exceed 15.
Example: 6+ [(5−3.6+5)x0.8−6] x3.2 =
Key Input Display
y
, operations.
x
[6] [+] [ ( ] [ ( ]
[5] [−] [3] [ • ] [6] [+] [5] [ ) ]
[x] [ • ] [8] [−] [6] [ ) ]
[x] [3] [ • ] [2] [=]
5. Coordinate conversion:
(1) polar Æ rectangular
Example:
Key Input Display
y
[SHIFT] [PÆR]
[2] [a]
[60] [b]
6.4
0.88
−
3.184
60.
0.
2.
1
.
x
E14 -
-
SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
[b]
1.732050808
(2) rectangular Æ polar
Key Input Display
y
[SHIFT] [RÆP]
x
6. Complex Calculation
EXAMPLE KEY INPUT DISPLAY
[SHIFT] [CPLX]
(5 + 4i) + (6 + 3i)
= 11 + 7i
5 [a]
4 [b]
[+]
[3] [
[1] [a]
] [b]
[b]
1.
1.732050808
2
.
60.
DEG CPLX
0.
DEG CPLX
5.
DEG CPLX
4.
DEG CPLX
0.
6 [a]
DEG CPLX
6.
3 [b]
DEG CPLX
3.
[b]
DEG CPLX
11.
[=]
DEG CPLX
7.
EXAMPLE KEY INPUT DISPLAY
6 x (7 − 9i) x (−5 x 8i)
= 222 + 606i
[ON/C]
6 [a] [x]
DEG CPLX
0.
DEG CPLX
0.
7 [a] 9 [+/−] [b]
DEG CPLX
−
[x]
DEG CPLX
0.
E15 -
-
SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
9.
5 [+/−] [a] 8 [b]
DEG CPLX
8.
[=]
DEG CPLX
222.
[b]
DEG CPLX
606.
7. Statistical calculation.
Example:
(1) What is the average and standard deviation?
Data: 55, 53, 57, 54, 51, 56, 55, 52
Key Input Display Note
SD
[SHIFT] [SD] 0 set statistics mode
[5] [5] [DATA] 1 display the volume
[5] [3] [DATA] 2 of input data
[5] [7] [DATA] 3
[5] [4] [DATA] 4
[5] [1] [DATA] 5
[5] [6] [DATA] 6
[5] [5] [DATA] 7
[5] [2] [DATA] 8
[x ]
[SHIFT] [
[SHIFT] [
54.125
x]
Σ
x2]
Σ
433
23465
Average of datum
Total of datum
Total of square of datum
[n] 8 Number of input data
n–1
[
]
σ
[SHIFT] [
[x
σ
2.031009601
2
] 4.125 Unbiased of variance
n
]
1.899835519
[SHIFT] [SD] 0
Standard deviation of samples
(
n–1)
σ
Standard deviation of population
(σn)
Clear the statistics mode ("SD"
clear)
(2) Recorrect of data
Key Input Display Note
[SHIFT] [SD] 0 Set statistics mode
[5] [0] [DATA] 1
[6] [0] [DATA] 2 Input the incorrect data (60)
E16 -
-
SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
[6] [0] [SHIFT] [DEL] 1 Clear the incorrect data (60)
[5] [6] [DATA] 2 Input the correct data (56)
[5] [4] [x] [3] [DATA] 5 Input the incorrect data (54x3)
[5] [4] [x] [3] [SHIFT] [DEL] 2 Clear the incorrect data (54x3)
[5] [8] [x] [3] [DATA] 5 Input the correct data (58x3)
[5] [2] [x] [4] [DATA] 9 Input the incorrect data (52x4)
[5] [5] [DATA] 10 Input the correct data (55)
[5] [2] [x] [4] [SHIFT] [DEL] 6 Clear the incorrect data (52x4)
[SHIFT] [SD] 0
Clear the statistics mode ("SD"
clear)
SPECIFICATIONS
Display capacity : 10 digits full-floating or Mantissa 8 digits with
Exponent 2 digits plus 2 negative code
digits.
Components : CMOS / LSI
Display : Liquid crystal (FEM type)
Power supply : 3V (DC) GP76Ax2 Approx. 1500 hours when
used 2 hours a day.
Power consumption : 0.15mw
Operation Temperature : 0°C ~ 40°C (32°F ~ 104°F)
Size : 141mm (L) x 76mm (W) x 9mm (H)
Weight : 86g
AUTOMATIC POWER OFF
If any key is not pressed for about 7.5 minutes, the power is
automatically shut off.
REPLACING THE BATTERIES
Your calculator is powered by two alkaline-manganese batteries.
When the display dims, replace the batteries.
1. Unscrew the two screws on the back of the calculator.
2. Insert a flat bladed screwdriver into the slot between the upper and
lower case then carefully twist it to separate the case.
3. Remove both batteries and dispose of them properly. Never allow
E17 -
-
SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
children to play with batteries.
4. Wipe off the new batteries with a dry cloth to maintain good contact.
5. Insert the two new batteries with their flat sides (plus terminals) up.
6. Align the upper and lower cases then snap them to close together.
7. Tighten the screws.
E18 -
-
SR8D1A-E.RTF SIZE : 140x75mm SCALE 2:1 2003/8/22
Loading...