In Focus range is the core.
A quick reference is ok. And additional info and handy tips.
For a good study, you have to have your pace.
Today, you have to use document management software to manage documents and writing documents for a long write. And this is called Information Technology.
Some people always ignore to read the document called Read Me First which designed to give the most important information about a software prior to using it.
Sound designation and documentation skills are key to develop an accurate and well-designed spreadsheet. To achieve that, you must form a thorough grounding in the basics of creating and working with spreadsheets.
To begin with, you will have your goals, the objectives:
Navigate your way around Excel
Get familiar with workbooks and worksheets, know when you will use worksheets.
Work with Ranges in a worksheet
Work with formulas and functions to perform calculations
Design beautiful look of a worksheet by using font formatting
Alter the Layout of a worksheet
Sort and filter data in a worksheet
Get help and avoid problems in worksheets