# Calculator

The calculator can be found in Magic Box's tools menu and is available in all versions of myViewBoard. Use the calculator to perform mathematical calculations during a math presentation.

This tool can be used on the canvas in Present and Prepare modes.

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USE WHILE IN DESKTOP MODE

This tool can be used while navigating in desktop mode in the Windows version of myViewBoard.

## Windows

### Add a calculator to the canvas

1. On the main toolbar, press .
2. In the Magic Box window, select .
3. Double press  (or press and drag the icon onto the canvas).
4. The calculator will appear on the canvas.

### Actions available

Preview of the calculator tool within myViewBoard for Windows.

Icon
Operation
Description
Percent
Returns a percent calculation of the number entered.
Calculates the root of the current entry.
Square
Returns the square of current entry.
1/x
1 divided by the current entry.
CE
Clears the last entry.
C
Clears the whole computation.
Backspace
Deletes only one digit.
Divide
Performs a division operation.
Multiply
Performs a multiplication operation.
Minus
Performs a subtraction operation.
Plus
Equals
Shows the calculation result.
+/- sign
Change arithmetic sign.
Delete

## Android & iOS

### Add a calculator to the canvas

1. On the main toolbar, press .
2. In the Magic Box window, select .
3. Double press .
4. The calculator will appear on the canvas.

### Actions available

Preview of the calculator tool within myViewBoard for Android & iOS.

Icon
Operation
Description
Percent
Returns a percent calculation of the number entered.
Calculates the root of the current entry.
Square
Returns the square of current entry.
1/x
1 divided by the current entry.
CE
Clears the last entry.
C
Clears the whole computation.
Backspace
Deletes only one digit.
Divide
Performs a division operation.
Multiply
Performs a multiplication operation.
Minus
Performs a subtraction operation.
Plus
Equals
Shows the calculation result.
+/- sign
Change arithmetic sign.
Delete

## Lesson idea

Delete

DEMO MATH CALCULATIONS

Use the different functions to solve math equations while in front of the class. Demonstrate the keystrokes for a given calculation and have students do the same.

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