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The sqr( function calculates the square root of a value.

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Parameters

This function has one parameter:

value – This parameter must be a positive numeric value.

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Description

This function calculates the square root of a positive number. The graph below shows the result of the square root function given input values from 0 to +8.

The square root of a negative number is a complex number (see Wikipedia) which is beyond the scope of Panorama.

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Error Messages

Floating point error – The square root of values 0 or less (negative numbers) is undefined. If you attempt to calculate the square root of such a number, a floating point error will occur.

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See Also

• abs( -- calculates the absolute value of a number.
• nan( -- checks to see if a numeric value is invalid.
• nanerror( -- converts invalid numeric values into an error.
• nanzero( -- converts invalid numeric values into zero.
• val( -- converts text into a number.
• validnumber( -- checks to see if a numeric value is valid.

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History

Version	Status	Notes
10.0	No Change	Carried over from Panorama 6.0