PRODUCT() – Multiplies all numbers in a range
The PRODUCT() function calculates the product of all numeric values in a specified range by multiplying them together.
Syntax
PRODUCT(range)
- range: A continuous range of cells whose numeric values you want to multiply (e.g., T1A1:T1A5).
Basic example
PRODUCT(T1A1:T1A4)
This formula multiplies all numeric values from cell T1A1 to T1A4.
Example outputs:
- If T1A1:T1A4 = [2, 3, 4, 5] → 120 (2 × 3 × 4 × 5)
- If T1A1:T1A4 = [10, 0.5, 2, empty_cell] → 10 (10 × 0.5 × 2; empty cell ignored)
- If T1A1:T1A4 = ["5", 3, "Text", 2] → 6 (3 × 2; all text, including "5", is ignored)
- If the range T1A1:T1A4 is entirely empty or contains only text/empty cells, MathGrid's PRODUCT() returns 0.
Key features
- Numeric multiplication: Only actual numeric values in the range are multiplied.
- Ignores text: All text values within the range, including numbers formatted as text (e.g., "5"), are ignored and do not contribute to the product.
- Ignores empty cells: Blank cells within the range are ignored.
- Empty/Non-numeric range result: If the specified range contains no numeric values (it's empty or contains only text/blanks), this function returns 0 in MathGrid.
- Zero factor: If any numeric value in the range is zero, the entire product will be zero.
Practical uses
- Calculating compound interest or growth rates over several periods.
- Determining the total volume when given multiple dimensions (length × width × height).
- Finding the result of sequential scaling factors.
- Multiplying probabilities.
Common mistakes
- Incorrect range specification: Ensure the range is correctly defined (e.g., T1A1:T1A10).
- Textual numbers not converted: MathGrid's PRODUCT() ignores text that looks like numbers (e.g., "5" is treated as text, not the number 5). Data must be in true numeric format to be included.
- Expecting 1 for empty/non-numeric: MathGrid’s PRODUCT() returns 0 when the input range is empty or contains no numeric values.
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