Square Root Calculator
Principal square root. Negatives are rejected as non-real on this page.
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How to use Square Root Calculator
- Enter value. Leave a field blank only when the page says the value is missing, not by typing 0 unless 0 is a real value.
- Read the result rows under the form. Errors appear in the status line. Nothing is uploaded.
- Rounding follows IEEE floating point in this browser unless the page says it uses integers or BigInt.
Square Root Calculator
Square root
| Computes | Principal square root. Negatives are rejected as non-real on this page. |
|---|---|
| Includes | Square root |
| Includes | Round-trip check |
| Engine | scientific |
| Upload | None |
| Advice | Arithmetic only |
What Square Root Calculator is
√2 is shown to the precision of the scientific engine. Check row squares the root. nth roots: nth root.
The formula runs in this tab. CZNull does not receive the numbers.
How this page computes
x^(1/2). The scientific page accepts sqrt(.
Entities and related jobs
Principal square root. Negatives are rejected as non-real on this page. Named features: Square root, Round-trip check.
See also Nth Root Calculator, Pythagorean Theorem Calculator, Exponent Calculator, Scientific Calculator, Percentage Calculator, Fraction Calculator.
Use cases
Hypotenuses with Pythagoras, RMS pieces, and homework.
Limits
Invalid input appears in the status line. IEEE floating point applies unless a row says otherwise. CZNull does not receive the numbers.