5.Enter the Reminder date from 0 to 9.

6.Press m.

7.Enter “Nancy’s Birthday”.

8.Press xto store the anniversary listing.

The anniversary sign ( A) will not appear until the day is set in Reminder.

tTo Do Mode

In the To Do mode, you can store your important To Do items with a priority index.

Entry

<Example>

You have to visit the HK Exhibition by December 10, 2003.

Search

Sequential search

1.Press ; once or twice to enter the Anniversary mode.

2.Press <or >to search for the listing.

Date search

Enter the date to go to the target date in the above step 2 and then press x.

1.Press [ once or twice to enter the To Do mode.

2.Press e.

The To Do entry display will appear.

<TO DO>

SEARCH DATE? 0 8 1 2 2 0 03

0 8 1 2 2 0 0 3 PR I OR I TY : < 1 > <PEND I NG>

DESCR I PT I ON :

See also

 

Entering Characters

................................................... 5

Editing Listings

20

Deleting Listings

20

3.Enter 12 into the month field and enter 10 and 2003 respectively.

4.Press mand select the Priority number from 1 (High) to 9 (Low) using <or >(or enter the number), then press m.

15

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Image 17
Sharp EL-6990 operation manual To Do Mode, To do, Descr I PT I on, Sequential search, Date search

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.