Evaluating and Approximating Math Expressions

Using Notes >> Evaluating and Approximating Math Expressions >> Evaluating or Approximating an Expression

Evaluating and Approximating Math Expressions

You can evaluate or approximate one or more expressions and display the results. You can also convert selected text and multiple math expression boxes into a single math expression box. Notes automatically updates expressions and any variables used.

Menu Name	Menu Option	Function
1: Actions
	1: Evaluate - ·	Evaluates the expression.
	2: Approximate / ·	Approximates the expression.
	3: Evaluate and replace	Replaces the selected part of the expression with the result.
	4: Deactivate	Deactivates the current or selected item (box or boxes)
	5: Deactivate All	Deactivates all boxes in the current Notes application.
	6: Activate	Activates the current or selected previously deactivated item.
	7: Activate All	Activates all boxes in the current Notes application.

Evaluating or Approximating an Expression

To evaluate or approximate an expression, place the cursor anywhere in the math expression box and then do the following:

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Windows®: On the Actions menu, click Evaluate or Approximate. You can also use Enter to evaluate or Ctrl + Enter to approximate.

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Mac®: Press “ + Enter to approximate.

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Handheld: Press b to display the Notes menu. On the Actions menu, select Evaluate.

The result replaces the expression.

Evaluating Part of an Expression

To evaluate part of an expression, select the text or part of the math expression. Then do the following:

On the Actions menu, click Evaluate and Replace.

Handheld: Press b to open the Notes menu. Select Actions, and then select Evaluate Selection.

The result replaces the selected part only.

Breaking Long Calculations

Some calculations may take a long time. Notes indicates that the handheld is performing a long calculation by displaying a busy icon. If a calculation is taking more time than you want to spend, you can end the calculation.

To stop the function or program in progress, do the following:

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Windows®: Hold down the F12 key and press Enter repeatedly.

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Mac®: Hold down the F5 key and press Enter repeatedly.

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Handheld: Hold down the c key and press · repeatedly.

Showing Warnings and Errors

If a calculation in Notes results in a warning or error, you can view the warning or error again even after you have dismissed the dialog box.

To display a warning or error in Notes after you have dismissed the dialog box, do one of the following:

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Windows®: Right-click and select Show warning info or Show error.

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Mac®: ì“ + click and select Show warning info or Show error.

Note: You can change your settings so that warnings do not appear at all. The showing of warning indicators is controlled by the Math Box Attributes dialog box. See Changing the Attributes of Math Expression Boxes.

Converting Selected Items to Math Expression Boxes

To convert items to math expression boxes:

Select the text, or combination of text and existing math expression box that you want to evaluate.

From the Actions menu, click Convert to Math Expression Box.

—or—

Right-click and click Convert to Math Expression Box.

Handheld: Press b to display the Notes menu, and then select Actions > Convert to Math Expression Box.

The result replaces the selected part only.