Aurora AX-501 Manual

Aurora Lommeregnere AX-501

Læs gratis den danske manual til Aurora AX-501 (6 sider) i kategorien Lommeregnere. Denne vejledning er vurderet som hjælpsom af 39 personer og har en gennemsnitlig bedømmelse på 4.8 stjerner ud af 20 anmeldelser. Har du et spørgsmål om Aurora AX-501, eller vil du spørge andre brugere om produktet?

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Aurora Operating Manual

For use with AX- 501

Single line scientific calculator.

Printed in China

9220230

Introduction:

AURORA AX-501 calculator

The AURORA AX501 is a calculator with simplicity of

use and many capabilities that will appeal to both

profession perform als and student alike. It allows you to

all elementary calculations, has a memory, and the most

commonly used trigonometric and logarithmic functions,

as well as calculations in binary, octal or hexadecimal

number bases.

Removing and Replacing the C Cover alculator’s

Always slide the keyboard end of the unit into the

cover first. Never slide the display end of the unit into the

cover.

Holding the cover as shown in the illustration, slide

the unit out of the cover before use. Picture………1

Holding the cover as shown in the illustration, slide

the unit out of the cover after use. Picture………2

Precautions

 Don’t expose the machine to water, direct sunlight,

extremely hot or cold temperatures, or dusty

environments.

 or subject it to heavy impact. Don’t drop the machine

 Use a soft cloth to clean the machine. Do not use

detergents.

 Never dispose of batteries in a fire.

 Keep batteries out of the reach of children.

Press the RESET switch (on the front), with the tip of

a ball-point pen or similar object, only in the following

cases. Do not use an object with a breakable or sharp

tip. Note that pressing the RESET switch erases all data

stored in memory.

 When using for the first time.

 . After replacing the batteries

 To clear all memory contents.

 When an abnormal condition occurs and all keys are

inoperative.

Display

 Floating point system

 Scientific notation system

Mantissa Exponent

(During actual use not all symbols are displayed at

the same time.)

If the value of mantissa does not fit within the range

±0.000000001- ±9999999999, the display changes to

scientific notation. The display mode can be changed

according to the purpose of the calculation.

2ndF : Appears when 2ndF is pressed, indicating

that the functions that print are ed in the same colour as

2ndF are enabled.

HYP : Indicates that hyp has been pressed and

the hyperbolic functions are enabled. 2ndF hyp If arc are

pressed, the symbols “2ndF HYP” appear, indicating that

inverse hyperbolic functions are enabled.

DEG/RAD/GRAD: Indicates angular units and

changes each time is pressed. The default setting DRG

is DEG.

( ) : Appears when a calculation with parentheses

is performed by pressing ( .

BIN : Indicates that 2ndF has been pressed. →BIN

Binary system

mode is selected.

OCT : Indicates that 2ndF has been →OCT

pressed. Octal system mode is selected.

HEX : Indicates that 2ndF has been →HEX

pressed. Hexadecimal system mode is selected.

CPLX : Indicates that 2ndF CPLX has been

pressed. Complex number mode is selected.

STAT : Indicates that 2ndF has been STAT

pressed. Statistics mode is selected.

M : Indicates that a numerical value is stored in

the independent memory.

E : Appears when an error is detected.

Before Using the Calculator

Key Notation Used in This Manual

In this manual, key operations are described as

follows:

TO specify A (HEX) : A

TO sp 2ndF ecify π : π

TO specify Exp : Exp

Functions that are printed in the same colour as

2ndF above the key require 2ndF to be pressed first

before the key. Numbers keys do not have second

function regardless of pressing 2ndF first, but as ordinary

numbers.

B - Operating Instructions

1. Power On and O ff

Press ON/C OFF to turn the calculator on, and to turn it

off.

2. Clearing Numbers

 to clear the entries except for a Press ON/C

numerical value in the independent memory and

statistical data.

 to clear the number entered prior to use Press CE

of function key.

 case of one digit correction of the entered number, In

press (right shift key). →

Example:

Key to Press

Display

ON/C

12.

1 3 4

134.

→

13.

133.

3. Priority Levels in Calculation

Operations are executed according to the following

hierarchy:

1.Function calculations such as sin and %

2.Calculations in parenthesis

3. Powers and roots

4.×, ÷

5. +,-

Example: 8+2×2=

Key to Press

Display

ON/C

12.

※ In the example above, notice that the

multiplication is performed first. Performing 2×2+8 should

give the same result as the preceding one.

4. Parenthesis

a) Using Parenthesis

The parenthesis allow changes to be made to the

priorities of the operators. For example, to calculate 3×(8-

5).

If you leave out the parenthesis, the multiplication

between 3 and 8 is performed first, then the subtraction

of the result with 5 is made.

The presence of the parenthesis allows the

subtraction of 8 and 5 to be made first and the

multiplication of this result with 3.

Key to Press

Display

ON/C

(

)

In the above example, the calculator “waits for” the

execution of subtraction in order to perform the

Symbol

multiplication

When you press the key ( , the small sign”(

)”appears on the display above the digits, means that

parenthesis has been opened. This sign disappears

when the parenthesis is closed

b) Levels of the Parenthesis

There are 4 levels of parenthesis. This means that

you cannot have more than 4 operations pending.

- Try the calculation 2+(3+(4+(5+(6+7))) .

To carry out this calculation, simply press the keys in

the order they appear in writing. When you press the fifth

sig n “+”, the error message will display.

c) Closing Parenthesis

Instead of closing the nested parenthesis and

pressing the key = , simply press the key = and

calculator will give the correct result. For example ,in the

calculation of 5×(4+9),you type 5 × ( 4 + 9 =

instead of 5 × ( 4 + 9 ) = you will get the

correct answer..

5. Selecting the Display Notation and Decimal

Places

 When calculation result is displayed in the floating

point system, pressing F displays the result i↔E n

the scientific notation. Pressing once more F↔E

displays the result again in the floating point system.

 Pressing 2ndF TAB and any value between 0 and

9 specifies the number of decimal places in the

calculation result. To clear the setting of decimal

places, press 2ndF TAB · .

Example 1÷3

Key to Press

Display

ON/C

= (floating point)

0.333333333

2ndF

0.333333333

TAB

0.333333333

0.33

F E ↔

3.33 01-

F E ↔

0.33

2ndF

0.33

TAB

0.33

0.333333333

If the value for floating point system does not fit in

the following range, the calculator will display the result

using scientific notation system:

0.000000001≤∣ ∣x≤9999999999

6. Angle Units : Degree, Radian and Gradient

Before any trigonometric calculation, make sure the

angle unit with which you use to make the calculation

conforms with the one that the calculator will use. The

angle unit is indicated above the display of the digits.

This unit is marked by R “DEG”for degree, “AD”for

radian and GRAD “ ” for gradient. Each press the key

DRG will alternate between these units.

You may also want to convert an angle into another

unit. The function that enables you to do that is the

second function of the key , marked . DRG DRG►

We shall try to convert 180° in radian. First, make

sure that the angle unit display is the degree(symbol

DEG):Press the number 180,then press the key 2ndF

and , The calculator will display the value of DRG

“π”(3.141592654),value of 180°in radian.

7. Addition, Multiplication, Subtraction and

Division

a) Addition of T Numbers wo

Example: 8+5:

Key to Press

Display

ON/C

13.

b) Multiplication, Division and Subtraction of Two

Numbers

These calculations are performed in the same

manner as the addition.

8. Constant Calculations

In the constant calculations, the addend becomes a

constant. Subtraction and division are performed in the

same manner. For multiplication, the multiplicand

becomes a constant.

Example:

Key to Press

Display

ON/C

5 8

58.

6 4

64.

122.

4 5

45.

109.

7 3

73.

5 7

57.

16.

4 9

49.

- 8.

6 4

64.

1 6

16.

3 6

36.

180.

288.

9. Trigonometric Functions

The functions cosine, sine and tangent are accessed

respectively by the keys cos sin , and tan . ,

To calculate, for example, the cosine of an angle,

enter the value of the angle, and press the key cos .

Example: The calculation cosine of 60о(make sure

the calculator is In degree mode.)

Key to Press

Display

ON/C

60.

cos

0.5

※ Attention: before making any calculations, check

the angle unit display by the calculator.

10. Logarithmic and Exponential Functions

The natural logarithm and common logarithm

functions are accessed respectively with the keys ln

and log .

The second function of the key is the inverse ln

function of the natural logarithm, or natural antilogarithm

ex .

The second function of the key log is the inverse

function of the common logarithm, or common

antilogarithm 10x .

11. The functions Square, Root, Power and

Reciprocal

The calculation square( x2

), square root( x), cubic √

root(second function of the key √x ,marked by

), and

reciprocal(second function of the key x2 ,marked by 1/x)

is the same as the one explained above for trigonometric

functions. The value, ”x” must be enter first before the

chosen function. For the universal power(key yx

), and

root (second function of the key yx ,marked by ), enter

the value for “y” first then the value for “x”.

12. Hyperbolic/Inverse Hyperbolic Functions

Example: cosh5.7 sinh-1 9.4 tanh8.7

Key to Press

Display

ON/C

5 . 7

5.7

hyp

5.7

cos

149.4353735

9 . 4

9.4

2ndF

9.4

arc hyp

9.4

sin-1

2.936674272

8 . 7

8.7

hyp

8.7

tan

0.999999944

13. Percentage Calculation

The sec ond function of the key “=” (marked by “%”)

permits percentage calculations. We can sum up the

capabilities of this function in four

Produkt Specifikationer

Mærke:	Aurora
Kategori:	Lommeregnere
Model:	AX-501

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