Which shortcut is used to calculate the range of cells in MS Excel

Which shortcut is used to calculate the range of cells in MS Excel
A: Alt++
B: Ctrl++
C: Shift++
D: None of these

No shortcut like Alt++ for range calculation auto sum is Alt + =. None of these is correct. Excel functions like SUM calculate ranges. Understanding formulas is essential for data analysis. This knowledge aids in financial modeling and statistics using spreadsheet software for efficient computations.