SIGN Google Sheet Formula
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SIGN Formula Syntax
Example Use Case
Determining the sign of a number for directional analysis
Understanding the SIGN Formula
The SIGN function in Excel returns the sign of a number: 1 for positive, -1 for negative, 0 for zero. It’s a minimalist tool for checking directionality, useful in decision-making, data categorization, or conditional logic.
SIGN(-5) returns -1, while SIGN(3.2) gives 1. It’s a single-argument function, stripping a number to its essence—positive, negative, or neutral—without regard to magnitude.
Why Use SIGN?
SIGN simplifies polarity checks—think profit/loss flags, trend detection, or IF conditions. Its binary output (1, 0, -1) makes it a clean input for formulas needing directional cues without complexity.
Example with Sample Data
| Number | Formula | Result |
|---|---|---|
| -5 | =SIGN(-5) | -1 |
| 3.2 | =SIGN(3.2) | 1 |
| 0 | =SIGN(0) | 0 |
SIGN flags direction: -5 is -1, 3.2 is 1. It’s a sign spotter.
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