Explanation

=SUM(A1:A3) means add A1 + A2 + A3

A1 = 2  

A2 = 4  

A3 = 6  

2 + 4 + 6 = 12

Last verified on 04-09-2026

Explanation

• The dollar sign ($) is used to create an absolute cell reference in MS Excel.

Additional information:

• Absolute Reference: $D$2 (Row and column fixed)
• Relative Reference: D2 (Row and column change)
• Mixed Reference: $D2 (Column fixed)
• Mixed Reference: D$2 (Row fixed)
• Shortcut Key: F4 toggles between reference types.

Last verified on 18-07-2026

Explanation

• COUNTA() counts only non-empty cells in a selected range.
• It counts cells containing numbers, text, logical values (TRUE/FALSE), errors, and formulas that return values.
• It does not count completely empty cells.
• COUNTA() is commonly used for counting filled entries in datasets.

Additional information:

• COUNT() → Counts only numeric cells
• COUNTBLANK() → Counts empty (blank) cells
• COUNTIF() → Counts cells matching a specific condition
• COUNTIFS() → Counts cells matching multiple conditions

Last verified 08-07-2026

Explanation

• F11 creates a chart from the selected data and places it on a new chart sheet.
• Alt + F1 creates a chart directly on the current worksheet.

Last verified on 07-09-2026

Explanation

Order of arguments:

• First argument: Range – the cells you want to count
• Second argument: Criteria – the condition that defines which cells to count
• Example:
• =COUNTIF(A1:A10, ">20") counts how many cells in range A1 to A10 have a value greater than 20.

Last verified on 05-09-2026