Convertools

Sign Function Calculator

Return the sign of a number as -1, 0, or 1 using Math.sign.

Author

Dr. Mateo Silva Herrera

Math editorial contributor

Colombian urban planner with a PhD from UCL, designing resilient infrastructure for flood-prone cities

Reviewed by

Prof. Kenji Tanaka

Math content reviewer

Japanese materials scientist at Kyoto University, known for breakthroughs in sustainable polymer research

Last updatedFebruary 22, 2026

PublishedFebruary 22, 2026

Table of Contents

  1. Reference values
  2. Calculator
  3. Reference table
  4. FAQs
  5. Methodology and review
  6. Related conversions

0 Number =

0 Sign

Representative value from the Sign Function Calculator reference table.

Reference Values

Browse 27 reference values with individual detail pages for quick lookup.

Browse all reference values

Sign Function Calculator

Return the sign of a number as -1, 0, or 1 using Math.sign.

Calculated Result

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Reference Table

Use this complete table for quick lookup and internal linking to specific value pages.

Sign Function Calculator Reference
Numbersign(x)
-10.75 Number-1 Sign
-9.5 Number-1 Sign
-8.25 Number-1 Sign
-7.1 Number-1 Sign
-6.5 Number-1 Sign
-5.01 Number-1 Sign
-4.5 Number-1 Sign
-3.33 Number-1 Sign
-2.5 Number-1 Sign
-1.2 Number-1 Sign
-0.99 Number-1 Sign
-0.5 Number-1 Sign
-0.1 Number-1 Sign
0 Number0 Sign
0.1 Number1 Sign
0.5 Number1 Sign
0.99 Number1 Sign
1.2 Number1 Sign
2.5 Number1 Sign
3.33 Number1 Sign
4.5 Number1 Sign
5.01 Number1 Sign
6.5 Number1 Sign
7.1 Number1 Sign
8.25 Number1 Sign
9.5 Number1 Sign
10.75 Number1 Sign

Frequently Asked Questions

Common questions about Sign Function Calculator, formulas, and typical use cases.

What does the Sign Function Calculator calculator do?

It helps with determining direction, sign, or polarity in algebra and programming logic.

What formula does the Sign Function Calculator calculator use?

sign(x) returns -1 for negative values, 0 for zero, and 1 for positive values.

What inputs are valid?

Any finite number is valid.

When would I use this?

determining direction, sign, or polarity in algebra and programming logic

Methodology and Review

This page combines a live calculator, precomputed reference values, and FAQ content from the same conversion definition to reduce mismatch between calculator output and lookup tables.

Editorial metadata (author, reviewer, and update date) is rendered on the page and in structured data. See our editorial policy, review process, and corrections policy.

For compliance-sensitive work, verify final values against project requirements, governing standards, and manufacturer documentation.