Weight:
Dimensions:
Open:
Closed:

Schedule mode: Entry and recall of schedule (year, month, day, hour and minute), schedule alarm and Description

Anniversary mode: Entry and recall of month, day and description of anniversaries

To Do mode: Entry and recall of To Do listings (Due Date, Priority and Description)

Memo mode: Entry and recall of memo listings

Expense mode: Entry and recall of Expense listings (Date, Category, Amount, Payment, Receipt and Memo) and Summary Report during a specified period to display the total amount spent in a preset category, Meals, Hotel, Car, Phone, Fares, Entertainment, Tips and Miscellaneous, that can be changed with the selection of edit Category

Word translator mode: English from/to Spanish, approx. 10000 words for each language

Calculator mode: 12 digits (with calculation status symbol) Addition, subtraction, multiplication, division, percentage, square root, memory calculation, etc.

Currency/Unit conversion mode:

 

12 digits, 14 combinations of currencies (5) and

 

metric (9) conversions

Game mode:

2 games

Secret function:

Protects listings with a password

Power consumption:

0.05 W

Operating temperature: 0°C ~ 40°C (32°F ~ 104°F)

Power supply:

Operating battery: 3.0V ... (DC) (Lithium battery CR2032 x 1)

Backlight battery: 3.0V ... (DC) (Lithium battery CR2032 x 1)

Auto Power Off Function:

Approx. 7 minutes

Battery life:

Operating battery (at 25°C/77°F)

Approx. 1200 hours

When data is continuously displayed.

Approx. 800 hours

When data is searched for 5 minutes and displayed for 55 minutes per hourly use.

Approx. 1 year

When turned off and the clock is running.

Backlight battery (at 25°C/77°F)

• Approx. 4000 times

When the Backlight is turned on for 10 seconds and turned off for 50 seconds per minute.

Approx. 111 g (0.245 lb.) (Including batteries)

143.0 mm (W) x 169.5 mm (D) x 9.5 mm (H)

5-5/8" (W) x 6-11/16" (D) x 3/8" (H)

143.0 mm (W) x 88.0 mm (D) x 13.25 mm (H)

5-5/8" (W) x 3-15/32" (D) x 17/32" (H)

Accessories: 2 lithium batteries (installed), operation manual

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Sharp EL-6990 operation manual Currency/Unit conversion mode, Game mode, Secret function, Power consumption, Power supply

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.