The Math World of Integers - Directed Numbers

Arithmetic Calculations

Directed Numbers

Equations with One Variable

The Super Calculator

Directed numbers - horizontally Through a dynamic horizontal representation of directed numbers the students gain understanding of these numbers. The horizontal representations of the numbers are displayed when the numbers are written or when the cursor is moved with the horizontal arrow keys. Screen 1 - Directed numbers on an horizontal axis Directed numbers - vertically Through a dynamic vertical representation of directed numbers and their use for demonstrating and solving typical problems involving elevators, temperature, etc. By using the software the students gain understanding of these numbers. The vertical representations of the numbers are displayed when the numbers are written or when the cursor is moved with the vertical arrow keys. Screen 2 - Calculation of temperature variation The scale of the representations can be changed as desired. The content of the Arena can be printed or copied to other applications and used for classroom presentations or homework.
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Topic 1: Directed numbers on an horizontal axis

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Topic 2: Calculation of temperature variation

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Dalin Inc. Head Office: 49 Harav Kook St., Herzliya, 46342 Israel; Phone:(972-9)-9562371, Fax:(972-9)-9514361
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