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and direction -finding -this is just right
for communications
designers, design
and system
engineers, and radio engi-
neers, particularly
those
involved with
military projects. Providing thorough
coverage of
total
systems, including
re-
ceivers, accessories, and peripheral
equip-
ment, this useful book discusses
basic
concepts
such
as selectivity and dynamic
range, proven design techniques,
cir-
cuitry, and
components, the use of mi-
croprocessors
and logic devices in
receivers,
and communications modes
such as pulse and data. It also includes
several design programs in the BASIC
language, as
well
as an
appendix
listing
spectrum -occupancy
computations.
Communications Receivers: Princi-
ples
and
Design
contains 583 pages;
costing
$59.50;
from The McGraw
-
Hill Book
Company, 11
West
19th
Street, New York,
NY 10011; Tel. 212/
337 -5945 or
337
-5951.
Using dBase Mac
By Paul
Springer &
Ralph DeFranco
dBASE Mac is Ashton -Tate's
long -
awaited database for the Macintosh.
Mak-
ing full
use
of
the Macintosh graphics
interface, dBASE Mac is
a powerful
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With
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l Sl\I(1
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complexity.
Using dBASE
Mac,
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Using dBASE
Mac
contains
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lar program.
Functioning
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Using
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Mac leads
users
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the program's
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operat-
ing procedures.
Using
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Start tutorials,
the book shows
readers
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define a personalized
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plex reports,
program with
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Using dBASE
Mac contains
400
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$19.95.
Que publishes
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call
800/428 -5331,
ext. 899.
QuickC
Programming For
the
IBM
By
Carl
Townsend
This book is
written
for
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tory
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duces the
basic aspects of programming
in
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while
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PC.
42uicF.A
Programming
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Organized into
three parts,
the
first
is a basic introduction
and overview of
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part
two, including
exercises and review questions.
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CASE, and iteration
structures,
using functions and macros,
managing the storage
of
variables,
ar-
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