How to type science equations in Libre Office?

How to insert equations or formula while writing notes in Libre Office?

Solution 1:

The most basic answer to your question is Insert -> Object -> Formula in LibreOffice Writer.

Solution 2:

A more detailed answer: If you use this feature a lot (I'm a math teacher, I use it a lot!) you can add a button to the toolbar to take you directly to the formula editor. There is a GUI input method, but you can also use a sort-of command line version where you enter the code for the expression as text in your document, then highlight it and select Insert Formula. As an example, this

 x={{-b +- sqrt{b^2 -4ac}} over {2a}}

will turn into this

Here's the a screenshot: (Notice the first symbol on the tool bar - that's where I've place the Insert Equation button.)