TI-BASIC:Square Root

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Command Summary

Take the square root of a number.

Command Syntax


Menu Location

Press 2nd √ to paste the √( command.

Calculator Compatibility


Token Size

1 byte

Takes the square root of a positive or negative number. It works exactly the same as 2×√ or ^(1/2) but is smaller and uses an ending parenthesis. If used on a list, it will return a list with the square root of each element.

		{1 i}

This may return a complex number or throw ERR:NONREAL ANS (depending on mode settings) if taking the square root of a negative number.


Never raise something to the one-half power explicitly; use this command instead.

can be

Error Conditions

Related Commands