Topic       : The GFA-Basic Compendium
Author      : GFA Systemtechnik GmbH
Version     : GFABasic.HYP v2.98 (12/31/2023)
Subject     : Documentation/Programming
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Index Size  : 28056
HCP-Version : 3
Compiled on : Atari
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@hostname   : CAB     
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View Ref-FileSQR(x)

x: aexp

Produces the square root of the numerical expression x. If the expression x is
negative, an error message is invoked.

Examples:

    x=9
    y=SQR(x)
    PRINT y,SQR(4*4)

--> The numbers 3 and 4 appear on the screen.

    PRINT SQR(SQR(16))
    PRINT SQR(-2)

--> The number 2 appears, followed by an error message.