Texas Instruments TINSPIRE Teacher Software Guidebook - Page 665

- Handheld: Press b to display the Notes menu. On the Insert menu, select Math Expression Box. 2. Type the expression. You can use the Catalog, if necessary, to insert a function, command, symbol, or expression template. 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 Menu Option Name Function 1: Actions 1: Evaluate - · 2: Approximate / · 3: Evaluate and replace 4: Deactivate 5: Deactivate All 6: Activate 7: Activate All Evaluates the expression. Approximates the expression. Replaces the selected part of the expression with the result. Deactivates the current or selected item (box or boxes) Deactivates all boxes in the current Notes application. Activates the current or selected previously deactivated item. 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: - Windows®: On the Actions menu, select Evaluate or Approximate. You can also use Enter to evaluate or Ctrl + Enter to approximate. - Macintosh®: Press " + Enter to approximate. Using Notes 653