Manual Aurora AX-582BL Calculator

Manual

1

AURORA OPERATING MANUAL

For use with AX-582

Twin-line scientific calculator.

Printed in China

9220250

Removing and Replacing the Calculator’s Cover

 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.

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

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

Two-line Display

The two-line display makes it possible to view both the calculation formula and

its result at the same time.

 The upper line shows the calculation formula.

 The lower line shows the result.

Before Starting Calculations ...

■ Modes

Application

Mode

Mode

Indicator

Operation

Calculation Mode

Normal calculations

COMP

－

MODE 1

Standard deviation

calculations

SD

SD

MODE 2

Regression calculations

REG

REG

MODE 3

Angle Unit Modes

Degrees

DEG

D

MODE MODE 1

Radians

RAD

R

MODE MODE 2

Grads

GRA

G

MODE MODE 3

Display Modes

Exponential notation

(canceling FIX and SCI

specification)

NORM1

－

MODE MODE MODE 3 1

NORM2

－

MODE MODE MODE 3 2

Number of decimal

place specification

FIX

Fix

MODE MODE MODE 1

Number of significant

digit specification

SCI

Sci

MODE MODE MODE 2

Note!

 Mode indicators appear in the upper part of the display.

 The COMP, SD, and REG modes can be used in combination with the angle

unit mode.

 To return the calculation mode and setup to the initial defaults shown below,

press SHIFT CLR 2 （MODE） =

Calculation Mode: COMP

Angle Unit: Deg

Exponential Display Format: Norm 1

Fraction Display Format: a

b

/c

Decimal Point Character: Dot

 Be sure to check the current calculation mode (SD, REG, COMP) and angle

unit setting (Deg, Rad, Gra) before calculating.

■ MODE Key Operation and Display

Operation

Display

Instruction

MODE

COMP

1

SD

2

REG

3

Press1~3 key to select

the status of Normal

Calculation, Standard

Deviation or

Regression.

MODE 3

Lin

1

Log

2

Exp

3

Press 1~3 key to select

the status of Linear

regression, Logarithmic

regression or

exponential regression.

MODE 3 

Pwr

1

Inv

2

Quad

3

Press 1~3 key to select

the status of Power

regression, Inverse

regression or Quadratic

regression.

MODE MODE

Deg

1

Rad

2

Gra

3

Press 1~3 key to select

current calculating

angle unit: Degrees,

radians or grads.

MODE MODE MODE

Fix

1

Sci

2

Norm

3

Press 1~3 key to settle

No. of Decimal Place

specification, No. of

significant Digit

Specification or

Exponential Notation.

MODE MODE MODE 1

Fix 0~9 ?

Press 0~9 to select

Decimal Place

specification.

MODE MODE MODE 2

Sci 0~9 ?

Press 0~9 to select No.

of significant digital

specification.

MODE MODE MODE 3

Norm 1~2 ?

Press 1~2 to select

exponential display

status and exit

Decimal Place

Specification and

Significant Digital

Specification status.

MODE MODE MODE

MODE 1

ab/c

1

d/c

2

Press 1~2 to select and

make sure the display

mode when the

calculating result is

more than 1.

MODE MODE MODE

MODE 1 

Dot

1

Comma

2

Press 1~2 to select the

display status of

Separator Symbols.

■ Input Capacity

 The memory area used for calculation input can hold 79“steps”. One step

is taken up each time you press a number key or arithmetic operator key (+, -

, ×, ÷). A SHIFT or ALPHA key operation does not take up a step, so

inputting SHIFT

3

√ takes up only one step.

 You can input up to 79 steps for a single calculation. Whenever you input the

73rd step of any calculation, the cursor changes from “ ＿” to “■” to let you

know memory is running low. If you need to input more than 79 steps, you

should divide your calculation into two or more parts.

 Pressing the Ans key recalls the last result obtained, which you can use in a

subsequent calculation. See “Answer Memory” for more information about

using the Ans key.

■ Making Corrections During Input

 Use ► and ◄ to move the cursor to the location you want.

 Press DEL to delete the number or function at the current cursor position.

 Press SHIFT INS to change to an insert cursor □. Inputting something while

the insert cursor is on the display inserts the input at the insert cursor

position.

 Pressing SHIFT INS , or = returns to the normal cursor from the insert

cursor.

■ Replay Function

 Every time you perform a calculation, the replay function stores the

calculation formula and its result in replay memory. Pressing the ▲key

displays the formula and result of the calculation you last performed.

Pressing ▲again back steps sequentially (new-to-old) through past

calculations.

 Pressing the ► or ◄ key while a replay memory calculation is on the display

changes to the editing screen.

 Pressing the ► or ◄ key immediately after you finish a calculation displays

the editing screen for that calculation.

 Pressing CA does not clear replay memory, so you can recall the last

calculation even after you press CA .

 Replay memory capacity is 128 bytes for storage of both expressions and

results.

 Replay memory is cleared by any of the following actions.

1. When you press the ON key.

2. When you initialize modes and settings by pressing SHIFT CLR 2

（Mode） = .

3. When you change from one calculation mode to another.

4. When you turn off the calculator.

■ Error Locator

 Pressing ► or ◄ after an error occured displays the calculation with the

cursor positioned at the location where the error occurred.

■ Multi-statements

A multi-statement is an expression that is made up of two or more smaller

expressions, which are joined using a colon ( : ).

 Example: To add 2 + 3 and then multiply the result by 4

2 + 3 ALPHA : Ans × 4 =

=

■ Exponential Display Formats

This calculator can display up to 10 digits. Larger values are automatically

displayed using exponential notation. In the case of decimal values, you can

select between two formats that determine at what point exponential notation is

used.

Pressing MODE MODE MODE 3 1 (or 2 ), press 1 to select Norm 1 or 2

for Norm 2.

 Norm 1

With Norm 1, exponential notation is automatically used for integer values

with more than 10 digits and decimal values with more than two decimal

places.

 Norm2

With Norm 2, exponential notation is automatically used for integer values

with more than 10 digits and decimal values with more than nine decimal

places.

 All of the examples in this manual show calculation results using the Norm

D

2+3

▲

5.

Disp

D

Ans×4

▲

20.

Rating

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