Sharp EL-6990 operation manual

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ELECTRONIC ORGANIZER

OPERATION MANUAL

CONTENTS

 

Using the Organizer for the First Time

............................................... 1

Auto Power Off Function

2

Backlight

2

Adjusting the LCD Contrast

2

Turning the key sound On and Off

.............................................. 2

Memory Check

2

Display Symbols and Part Names

3

Entering Characters

5

Built-in Calendar and Clock

6

Clock Mode

6

Alarm

8

Telephone Mode

9

Calendar Mode

11

Schedule Mode

12

MODEL

EL-6990

Anniversary Mode

14

To Do Mode

15

Memo Mode

17

Expense Mode

18

Editing Listings

20

Deleting Listings

20

Word Translator Mode

21

Calculator Mode

22

Conversion Mode

23

Secret Function

25

Game Mode

26

Battery Replacement

28

Specifications

29

Appendices

31

35

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Contents EL-6990 Page If a malfunction occurs under abnormal conditions Using the Organizer for the First TimeAdjusting the LCD Contrast Auto Power Off FunctionBacklight Turning the key sound On and OffDisplay Symbols Display Symbols and Part NamesKey Assignments Part NamesMoving the Cursor Entering CharactersEntering Characters Making CorrectionsPrecautions Clock ModeSetting the Home Clock Built-in Calendar and ClockSetting Daylight Saving Time DST Summer time ON/OFF Selecting the date format Default Month-Day-YearHome NE W Y ORKTurning the Daily and Hourly Alarms ON/OFF AlarmSetting the Daily Alarm time AlarmBUS I Ness Pers Onal Sear CH NA ME? Others Search NAME? Telephone ModeBUS I Ness Search NAME? EntryRST Name Company ExampleSearch Calendar ModeNavigating the Monthly Calendar Display Last Name Alphabetical SearchDirectly go to the target month Schedule ModeAlarm no Alarm YESSequential search Date search Anniversary ModeTo do To Do ModeDescr I PT I on Sequential searchDone Completed Items Memo SEARCH? Memo ModeDirect Search 2AB3 4 5 6Amount Payment Check Expense ModeExpense Report Category AtegoryRecall Summary ReportPayment Check Rece I PT YES ExpenseDeleting Listings Editing ListingsEdit the Category EditENG SPA Word Translator ModeCAL Culat or Calculator ModeExample Operation Display Currency Conversion Mode Conversion ModeSetting a new currency conversion rate Currency CAD USD RATE=Convert metric unit Metric Conversion ModeCurrency conversion Changing the Password Registering a PasswordAccessing listings Secret FunctionBlackjack Twenty-one Game ModeBlackjack 32K4Alpha Attack Level 0 EY3KW Alpha AttackOperating Battery Replacement Battery replacement time Battery ReplacementBacklight Battery Replacement Batteries used Type Model Quantity UseReplacing the batteries SpecificationsGame mode Currency/Unit conversion modePower consumption Power supplyExchanging Data with a PC AppendicesMemo Canada Sharp Corporation

EL-6990 specifications

The Sharp EL-6990 is a versatile scientific calculator that is particularly well-suited for students, engineers, and professionals who require advanced calculations for their daily tasks. It is known for its robust features, user-friendly design, and innovative technology, making it an invaluable tool in a variety of settings.

One of the primary features of the Sharp EL-6990 is its large 2-line display that provides a clear view of calculations and results. The dual-line feature allows users to input equations and see the results simultaneously, enhancing the user experience and reducing errors during complex calculations. The display is also capable of showing fractions, equations, and various other functions in a format that is easy to understand.

The calculator is equipped with a comprehensive range of built-in functions, including more than 400 scientific and statistical functions. This includes everything from basic arithmetic operations to advanced statistical calculations, such as standard deviation and regression analysis. Furthermore, the EL-6990 supports complex numbers and can perform operations with them, which is particularly beneficial for higher-level mathematics and engineering courses.

In addition to its wide array of mathematical functions, the Sharp EL-6990 also features programmable capabilities. Users can store previously calculated formulas and equations for quick access, allowing for increased efficiency when working on repetitive tasks. This programming function makes it a popular choice among both students and professionals who need to streamline their workflow.

The EL-6990 incorporates Sharp’s proprietary WriteView technology, which enables users to view and edit expressions in a format that replicates traditional mathematical notation. This feature makes it easier for users to input complex formulas and understand the relationship between inputs and outputs.

Another notable characteristic of the Sharp EL-6990 is its portability. Designed with a compact body, the calculator is lightweight and easy to carry, making it a convenient companion for students on the go. Its durable construction and user-friendly interface further enhance its appeal, making it suitable for extensive daily use.

In conclusion, the Sharp EL-6990 is a powerful scientific calculator, offering a range of features and technologies tailored to meet the needs of students and professionals alike. Its clear display, extensive function library, programmability, and innovative WriteView technology set it apart as a reliable choice for anyone looking to enhance their computational efficiency. Whether for classroom use, fieldwork, or extensive calculations, the EL-6990 is engineered to deliver performance and reliability.
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