Ayuda de LibreOffice 24.8
Applies the selected style to the cell when the formula expression in the text box in the right is not zero.
The formula is expressed similar to a test condition evaluating to TRUE or FALSE.
For example, if C29 has a conditional formatting which formula is B1>=(DATE(2015;5;4)+TIME(18;0;0)) - a logical expression that evaluates true or false - the style applied to C29 depends on B1 contents.