Tandy 1000 Basic Reference Manual

ChaDter 10
BASIC KEYWORDS
ABS Function
ABS (number)
Returns the absolute value of number.
The absolute value of a number is the value without regard to
its sign. Absolute values are always positive or zero.
Example
PRINT ABS(-66)
prints the absolute value of -66 which is 66.
X = ABS(Y)
computes the absolute value of Y and assigns it to X.
Sample Program
100 INPUT "WHAT'S THE TEMPERATURE OUTSIDE7
(DEGREES F)";TEMP
110 IF TEMP < 0 THEN PRINT "THAT'S" ABS(TEMP1
"BELOW ZERO! BRR!": END
120 IF TEMP = 0 THEN PRINT "ZERO DEGREES! MITE
COLD!": END
130 PRINT TEMP "DEGREES ABOVE ZERO! BALMY!": END
97

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