How many people use right shortcuts and formulae's in Excel to ease the daily job?

if any person is expert in shortcut, formulae or equation then definitely he will be using these method

hardly10 to20 percent

Always it shows you are an expert in excel moreover it makes the work faster

I use the functions listed on a regular basis specially v look ups.
But, when it comes to charts i normally prefer Bar charts over column or pie charts.Also, i frequently use index and match functions.& yeah Pivot tables obviously are one of the tools i use for performing variance analysis and sales analysis.