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Sign function

math Maturity 11-13

Numbers have a sign. Some are more than zero. Some are less than zero. One is just zero. This helps us know which is which. It is like a tiny label.

Signum function.svg
Signum function.svg
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🖼️ Images & Media (2)
File:Signum function.svg
Signum function.svg
File:Discontinuity of the sign function at 0.svg
Discontinuity of the sign function at 0.svg
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📚 Content adapted from Wikipedia | Readability: FK 14.5 | Vital Level 5