Operation Manual

2) Select the first placeholder <?> before the word times in the Formula Editor and replace it
with the character 5. The formula in the document updates automatically.
3) Select the second placeholder <?> after the word times in the Formula Editor and replace
it with the character 4. The formula in the document updates automatically.
This method initially places the formula text <?> times <?> in the Formula Editor and the
symbol appears in the document. These placeholders must then be replaced with real
numbers. Using markup language in the Formula Editor places the formula
5×4
directly into
the document. To use markup language, enter 5 times 4 in the Formula Editor.
5×4
appears
in the document.
Tip
To move forward from one placeholder to the next placeholder in a formula, press the
F4 key. To move backward from one placeholder to the previous placeholder in a
formula, use the key combination Shift+F4.
Note
If necessary, you can prevent a formula in a document from updating automatically. Go
to View on the menu bar and deselect AutoUpdate display. To then manually update
a formula, press F9 key or select View > Update on the menu bar.
Example 2
You want to enter the formula
π ≃ 3.14159
where the value of pi is rounded to 5 decimal
places. You know the name of the Greek character (pi), but do not know the markup associated
with the Is Similar Or Equal symbol
≃
.
1) Make sure your cursor is flashing in the Formula Editor.
2) Enter %pi in the Formula Editor to enter the Greek character for pi (π).
3) Select the category Relations and symbol Is Similar Or Equal using one of the following
methods:
– In the Elements window, select Relations from the drop-down list and then select the Is
Similar Or Equal icon .
– Right-click in the Formula Editor and select Relations > a simeq b from the context
menu.
4) Delete the first placeholder <?> before the word simeq in the Formula Editor.
5) Select the second placeholder <?> after the word simeq in the Formula Editor and replace
it with the characters 3.14159. The formula
π ≃ 3.14159
now appears in the
document.
Editing formulas
How you edit a formula and switch into formula editing mode depends on whether the formula is in
Math or another LibreOffice component.
1) In Math, double-click on a formula element in the formula that appears in the Preview
window to select the formula element in the Formula Editor, or directly select a formula
element in the Formula Editor.
270 | Getting Started with LibreOffice 5.0