Using Maths Actions
Maths Actions are available on Notes, Scratchpad and Calculator pages.
When you display the context menu for a selected expression or equation, the menu may include a Maths Actions submenu that lists the available actions. Each action might prompt you for any needed parameters.
The specific maths actions listed depend on:
• | The type of expression or relation. |
• | The operating system in use (Numeric, Exact Arithmetic, or CAS). |
• | Any restrictions imposed by an active Press-to-Test session. |
Example of Maths Actions in Notes
1. | Insert a maths box, and type the equation x2+3x+1=0, but don't press Enter yet. |
2. | Display the context menu of the equation, and select Maths Actions. Windows®: Right-click the equation. Mac®: Hold “, and click the equation. Handheld: Point to the equation, and press / b. |
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3. | Select the action to perform: |
- | Solve Numerically for Numeric and Exact Arithmetic OS. |
- | Solve for CAS OS. |
You are prompted to enter parameters. For example, Numeric Solve prompts for the variable of interest, initial guess, lower bound and upper bound.
4. | Type a value for each parameter. When options are available, you can click an arrow to make a selection. |
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5. | Click OK to construct the completed expression and place it in the maths box. |
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6. | Press Enter to complete the action. |
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7. | As a further exploration, drag through the maths box to select x2+3·x+1. Do not include the "=0" portion. |
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8. | Display the context menu for the selected text, select Maths Actions > Find Roots of Polynomial, and press Enter to complete the action. |
The action and its result are shown in a new maths box.
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Tips for Using Maths Actions in Notes
▶ | For a previously evaluated expression, click in the expression and then display its context menu. |
When you select an action, it replaces the expression.
▶ | For a displayed result, click in the result and then display its context menu. |
When you select an action, it appears in a new maths box.
▶ | For a portion of an expression or result, select the portion and then display the context menu. |
When you select an action, it appears in a new maths box.