Do you want to quickly understand and edit long and complex formulas? Do you want to write correct, succinct, efficient and powerful formulas? Do you want to build error-free and fast spreadsheets? Functions and formulas are elementary components of spreadsheets and spreadsheet language; they are at the core of Google Sheets editing and programming. However, the current formula editing is constrained by the narrow formula bar or single cell boxes. Formula Editor provides features that existing tools don't have, and helps you to better understand, optimize, and write functions and formulas. Therefore, it assists you to build safe, neat and powerful spreadsheets.