This tutorial would explain various ways of COUNTIF function in LibreOffice Calc which can be used to count strings, numbers from a cell, range, rows, columns etc.
This tutorial would explain how to create dependent dropdown list in LibreOffice Calc.
This tutorial would show how to use a basic range based data validation in LibreOffice Calc using a drop down list.
This tutorial will explain how to delete blank rows from LibreOffice Calc sheet.
Here’s how you can perform zoom in and zoom out in LibreOffice Calc sheet.