SQRT

SQRT function returns the mathematical square root of a value.

COMMAND SYNTAX

    SQRT(expression)

SYNTAX ELEMENTS

expression should evaluate to a positive numeric value as the authors do not want to introduce a complex number type within the language. Negative values will cause a math error.

NOTE

The function calculates the result at the highest precision available and then truncates the answer to the required PRECISION.

TAFJ R23 note: incorrect rounding of results.

EXAMPLE

    PRECISION 6
    *
    FOR i = 1 TO 10
        CRT SQRT(i) : ' | ' :
    NEXT i

    * TAFC: 1 | 1.414214 | 1.732051 | 2 | 2.236068 | 2.44949 | 2.645751 | 2.828427 | 3 | 3.162278 |
    * TAFJ: 1 | 1 | 2 | 2 | 2.2 | 2.4 | 2.6 | 2.8 | 3 | 3.2 |
Last update: Thu, 07 Dec 2023 10:05