ALPHA ATTACK

Type in characters (A to Z, 0 to 9) displayed on the bottom line to clear them. The game is divided into 20 levels in speed.

1.Press _once or twice to display the following Game mode screen.

2.Enter the level number (2 digits from 01 to 20).

•01: slow, 20: fast

3.Press xto start a game.

<ALPHA ATTACK> LEVEL : 0 1

<ALPHA ATTACK> LEVEL : 0 3

EY3KW

4.Press the same key as the first character at the left end of the bottom line. (In this case, press keys in the order: E → Y → 3 → K → W.)

•Pressing the correct keys in the correct order deletes the characters.

•When 12 characters are displayed in each level, the game continues in the faster level (up to 20).

•When no more characters can be displayed, the game is over. The Game mode screen with the level when the game is over is displayed.

•To quit the game, press cor any mode key.

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Sharp EL-6990 operation manual Alpha Attack Level 0 EY3KW
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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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