Remote-processing BASIC 52 Manuale Utente Scaricare il pdf (Pagina 127)

RPBASIC-52 PROGRAMMING GUIDE

2-108

SQR

Syntax: SQR(expr)

Where: expr is any valid mathematical expression, number, or variable greater than 0

Function: Returns a positive square root.

Mode: Command, run

Use: PRINT SQR(A)

Cards: All

DESCRIPTION

expr must be positive. Any calculation is accurate to ±5 least significant digits.

ERRORS

ARITH. UNDERFLOW expr or result is less than RPBASIC-52's smallest floating point value of ± 1E-127

ARITH. OVERFLOW expr or result is greater than RPBASIC-52's largest floating point value of

±.99999999E+127

BAD ARGUMENT Attempt to take SQR() of a negative number

EXAMPLE

100 FOR N = 1 to 10

110 A=SQR(N)**2

120 IF (A-N)<>0 THEN PRINT A,N

130 NEXT

>run

2.0000001 2

2.9999999 3

5.0000001 5

6.0000002 6

6.9999999 7

7.9999998 8

1 2 ... 122 123 124 125 126 127 128 129 130 131 132 ... 162 163

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Remote-processing BASIC 52 Manuale Utente Pagina 127