Practical Computing - July 1981, Volume 4, Issue 7

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Publication Date : July 1981

Publication Contents :

Page Item
19 The Sharp MZ-80K has got it all [Advert]
21 ITT 2020 [Advert]
41 Editorial [Article]
Peter Laurie
What price software?
42 Feedback [Article]
User's letters; ZX-81 complaint and praise, raising money for refugees, micros in medicine, alternative history of microcomputing
46 LSI's M-Three aims at professional market [News Item]
The M-Three, a new British microcomputer has been launched and is the latest offering from LSI Computers; it is aimed at the top end of the professional-computer market.
46 Stars of the Pet show [News Item]
The Commodore Pet Show features a number of innovatory products for the Commodore range of systems. The Commodore VIC-20 has finally made its UK public debut.
46 Second-hand equipment [News Item]
A Beckenham-based concern has launched a microcomputer system to buy and sell new and second-hand micro equipment.
46 Government outlines strategy for national teletext campaign [News Item]
Michael Marshall MP, the Parliamentary Under Secretary of State for Industry, has announced that October is to be National Teletext Month to promote the sales of TV-based entertainment and the teletext information service.
47 Plessey makes micros [News Item]
Plessey, the UK electronics and telecommunications giant, is to manufacture microprocessors.
47 Four software additions to VisiCalc family [News Item]
Personal Software, the company responsible for the best-selling VisiCalc program has developed four more packages in the same vein. The new programs include VisiPlot, VisiDex, VisiTrend, and VisiTerm.
47 Programming as a cottage industry [News Item]
In his book, The Wired Society, James Martin predicted the revival of cottage industries. However. the cottage industries of the future would be a computer programmer.
47 More powerful Aim 65/40 [News Item]
The enhanced version of the Rockwell Aim 65 single-board microcomputer has been unveiled in London.
49 MicroCobol adherents to form user group [News Item]
Some MicroCobol users have banded together to form a distributors' and users' group.
49 Software range will draw HP-1000s into world of graphics [News Item]
Hewlett-Packard's new Graphics/1000 II software for use on the HP-1000 range of computers will provide the support required for a wide range of graphics peripherals.
49 The future of Nascom at Lucas Logic [News Item]
The purchase of Nascom by a subsidiary of the Midlands engineering giant Lucas Industries ends months of uncertainty regarding the British microcomputer manufacturer's future.
50 Intel develops removable bubble-memory cassettes [News Item]
A compact storage medium which can operate in a harsh environment is likely to be of real benefit to microcomputer users who do not have, say, the advantages of air conditioning. Intel has developed a system of removable bubble-memory cassettes which is designed to be a flexible building-block.
50 Extra products to suit Apple [News Item]
U-Microcomputers, a British-based manufacturer of microcomputer accessories based in Warrington, Cheshire, has released the U-Ram-16, a 16K memory card compatible with the Apple Language card.
50 Financial support for high technology [News Item]
A recently-established company, New Technology Finance, has been formed to provide industries in the high-technology sector with the specialised financial support they need.
51 The Onyx C8000 Series [Advert]
52 New! Sinclair ZX81 Personal Computer [Advert]
Double-page, colour advert.
54 The Consummate Compact Computer [Advert]
55 Telesoftware: Art for Prestel's sake [Article]
Martin Hayman
Martin Hayman reports on teletext art.
57 Twinning schools and business [Article]
Peter Laurie
We propose a revolutionary scheme for bringing education and business together.
58 Through the expansion jungle with intrepid Explorer [Review]
Bill Bennett
Review of Explorer 85, the modular system from Netronics.
65 Putting a new complexion on micro graphics: Compucolor II [Review]
Mike McDonald
Mike McDonald tests the colourful features of this computer and tries a selection of its software.
72 Prokit's machine-code routines ease data-entry problems [Review]
Joe Telford
The professional software kit for the Pet.
74 The action of the Tiger [Review]
Chris Bidmead
Printer review by Chris Bidmead.
75 Spinwriter's quality is not just on paper [Review]
A top-quality printer from NEC.
77 Writing your own business software [Article]
Charles Somerville
A new series by Charles Somerville on how to write your own business software.
79 No holiday for seaside resort's hard-working Apple [Article]
Cathy Lane
Applications: How a seaside camp resorted to an Apple to handle its accounts.
82 Star system [Type-In Listing]
Bob Merry
The first part of a complex space game by Bob Merry.
88 Sinclair ZX software on cassette [Advert]
89 Sun ABC 24 & 26 [Advert]
91 Making capital out of appraisal methods [Type-In Listing]
E.G. Acraman
Manage your capital investment with this program.
94 A complete micro-based examination system [Article]
Rex L. Tingley
Rex Tingey presents a program for schools.
98 Simulating 350K of virtual memory capacity [Article]
J.A. Forbes
JA Forbes explains how to create that extra memory.
101 Essential tools for repetitive sums [Article]
Mark Walker
Mark Walker analyses several sorting algorithms.
105 Z-80 Zodiac [Article]
For all users of systems based on the Z-80 chip.
106 ZX-80/81 Line-up [Article]
Page dedicated to the ZX-80 and ZX-81.
108 Tandy Forum [Article]
Devoted to the TRS-80 - news and user's tips, queries and comments.
109 6502 Special [Article]
The 6502 Special is dedicated to the exchange of information between 6502 users.
111 Pet Corner [Article]
News and user's tips, queries and comments.
113 Apple Pie [Article]
Ideas, hints and comments for Apple users.
114 Micromouse [Article]
Page dedicated to anything that moves.
119 Book Reviews [Review]
Martyn Thomas & Bill Bennett
'Programming standard Pascal' by R.C. Holt and J.N.P. Hume and 'Musical applications of microprocessors' by Hal Chamberlain.
120 Routines to improve your Pet's display [Type-In Listing]
Nick Hampshire
Part 2 of Nick Hampshire's series.
125 How a bubble-sort can test code efficiency [Article]
Philip Barker
A comparison of bubble and other sort routines.
132 Buyers' Guide - Microcomputers [Article]
147 Son of Hexadecimal Kid [Article]
Richard Forsyth
168 does your computer talk? [Advert]
Arfon Microelectronics Speech Synthesizer - Colour advert.
170 Technology leaps ahead with the Vector Graphic 3005 from Almarc [Advert]
Colour advert.

ISSN Number : 0141-5433

Creator : IPC Electrical Electronic Press

This exhibit has a reference ID of CH5515. Please quote this reference ID in any communication with the Centre for Computing History.

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