Tandy 1000 Basic Reference Manual

Chapter 10 I BASIC Ke.ywords
SQR
Function
SQR( number)
Returns the square root of number.
Number
must be greater than zero.
BASIC always returns the result as a single precision number
unless you specified the
/D switch when starting up BASIC.
Example
PRINT SQR(155.7)
prints 12.47798.
Sample Program
680 INPUT "TOTAL RESISTANCE (OHMS)"; R
690 INPUT "TOTAL REACTANCE (OHMS)"; X
700 2 = SQR((R * R) + (X * XI)
710 PRINT "TOTAL IMPEDANCE (OHMS) IS" 2
This program computes the total impedance for series circuits.
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Tandy 1000 Specifications

General

Processor	Intel 8088
Processor Speed	4.77 MHz
RAM	128 KB (expandable to 640 KB)
Operating System	MS-DOS 2.11
Manufacturer	Tandy Corporation
Release Year	1984
Storage	Single or double 5.25" floppy disk drive (360 KB), optional hard drive
Sound	Tandy 3-voice sound
Ports	Parallel, Serial
Graphics	CGA (Color Graphics Adapter)
Graphics Modes	320x200, 640x200