Quick, clean, and to the point

Expand or collapse the formula bar

Windows shortcut 
Mac shortcut 

This shortcut will toggle the formula bar between a collapsed and unclasped state.

I don't think you understand how much your training has changed my life in terms of work efficiency and effectiveness not to mention minimizing my stress, anxiety and enabling me to shine in front of employers. -Veronika
Excel foundational video course
Excel Pivot Table video training course
Excel formulas and functions video training course
Excel Shortcuts Video Course
Excel Charts video training course