( We Take the Mystery Out of Gomputers. .. What is a computer? Not so many years ago, the pocket calculator we now take for granted could have passed for a powerful computer, worth a great deal of money Today however, there is much more to the definition of a computer. Computers work not onty with numbers, but with alphanumeric data-names, words, stock numbers. A computer can be programmed to repeat the same function over and over It can logically evaluate information given to it, and act on its findings.
What the Expanding World of TRS-80 is About . . . It's About Business and the New Model II 2-Megabyte System. . . It's About Service Before and After You Buy. . . Although thousands of TRS-80 Model I systems are used commercia-lly some applications require more memory and itigher speed than Model I offers. You can order a TRS-80 at over 7000 locations worldwide.
Over 100,000Owners Know TRS-8O's Benefits Small Businesses Save Time and Cut Costs Smal.I-business owners have learned TRS-80 g"ives them an effective, yet affordable "head start" on the competition. Tedious paperwork like payroll and inventory can be handled by TRS-80,and this allows a businessman to spend more time on the really productive areas of his job.
TRS-80 System Selection Guide 32K Business System Application 16K Level II Real Estate Mortgage and Cash Flow Analysis, Appreciation and Depreciation, Income and Expense, Time Trend Analysis Statistics Multiple Linear Regression, Time Series Analysis, Chi Square Analysis Multiple Linear Regression, Time Series Analysis, Chi Square Analysis Ma lng List 80 Names per Data File 7 Key Fields. Approx. 600 Names per Data Diskette, Approx.
The TRS-80 Model I Microcomputer System Radjo SlrackS TBS-80 Microcomputer System is tuIly wired, t6ted and U L Iisted for electical safety -you can put it to work immediatelyl lt's ideal for finances, education, accounting, lab use -even for home entertainment' And it's the computer with a full line of accessorles being delivered nov4 with more to come in the future! Basrc TRS-80 syst ems include a 12" video monitor, Rea.
for Business, Education or Personal Use cepts plain-English commands and statements from the programmer and translates them into the numeric language of the Z-80. You can accessthe Z-80's numeric "machine language" directly by using our "T-Bug" monitor program, availabie on cassette tape, or in "assemlcly language" by using our "Editor/Assembler" tape. (Both of these tapes are suggested only for advanped programmers with a knowledge of machine and assembly language.
Ghoose from Turo Versions of BASIC Language LEVEL I LEVEL II Array names numeric vaiable name No Auto Iine number CassetleSpeed 250Baud 500Baud CompressedProg. Yes No Storaqe Command Allbreviations Yes D$k Capabilitv No Yes t,rror uooes Error Trappinq Editino Execution tirne Yes No Yes No (L-II 30o/"faster than L-I) Yes Yes Fo!matted Pnnt No Logical Iine lgth. 64 Char. 255 Char' Mu.lti Statement Droq.
TRS-80Model I Accessories You Will Wantl System Dust Covers NEW Low As 5rt Keep your system in top condition when it's not in use. Custom vinyl covers fit snugly over systems, disk drives or line printers. S y s t e mC o v e r 2. 6 - 5 0 1. . . . . . . . . . 7 . 9 5 2-PackDisk Drive Covers. 26-502 . . .....5.95 Printer Cover (for 26-1750or 26-77521. 26-5U3.. . . . . . . . . . . . . 5.
The Keys to a More Powerful TRS'80 TRS-80Expansion Interface Expansion is a key word in the TRS-80 philosophy The TRS-80's modular design lets you expand to just the system you want. Of course, you can add 16K RAM and Level 1I BASIC to the keyboard unit. Beyond that point, the Expansion L:rterface becomes the hub of expanded TRS-80 computer systems. The Expansion Interface measures 4Y2x76yzx8" ar,d is designed to sit directly under the video monitor aqting as a base for it.
Desks and Gommunications for Your TRS-80 TRS-80 Telephone Interface II This is the fast way to transfer data ftom one location to another-by telephone with the Tblephone Interface tr. It s a full "orig'inate/answer" acoustic coupler which allows two TRS-8o'S to talk to each other. You can also communicate with another computer which has "origdnate only" capability (like our Telephone Interface I.
TRS-80Mini-Disk system - Fast, Efficient Mass storage of Data Storo Largo AnouDtt lot AlDott 8lrd PrograDr Acce lrltalt The TRS-80 Mini-Disk system is a stor' aqe medium allowing immediate access to- th" latg'a u-oatttts of data and proqrams vou will need fol accountmg rnientorv co.ttrol mailing lists and other iobs. Up to 4 drives can be attached ituor-rgh th" E*p^ttsion Interface furnishin; 49,900 to about 307.
Powerful Disk BASIC and TRSDOSOperating Systems TRS-80 Mini-Disk System Also Provides Powerful Enhancement8 to Radio Shack's Level Il BASIC Flle Commard!: CLOSECloses a file whjch is curreitly open. The file must be ieopened for use. DISKDUMP - Aprcsram to write a diskfile io tbe DDe pnnter (orvjdeo) secto! by sector in hex code and ASCII, 16 bytes at a time. Shows how dara formats are stored on a disk. EOE - Fuction to check for end of file.
TRS-80Library of Ready-to-Run Software BusinessRelated Software Tape Mailing List.80 names per d-aLa.file *'ih tof. 32K cassette svstem w l hold 250 names. 26-1503. (16K Level II required) . 19.95 Disk Mailing List. Selective p nting ftom one of seven key fields. Approx 600 names Der data diskette, ot 200 names on system 39.95 diskette. 26-1551. (16K Disk) . . . . . Business Mailing List. Fast sort in Zip Code or anv other sequence. 32K "Business System" -990 names- 4 disk (48K) 2970 99.95 . n a m e s .
Our Most Popular TRS-80Systems "Engineer" 16K System 1456eu . 16KLevel tr Complete System (26-1056) . Printe! l:lterface Cable (26-1411) . Ouick Printer (26-1153) . Space-SaverDesk \26-1304) For more technical app[cations, the ,,Engrnee/' system cornlf,ines powedul Level II with 16K of RAM. The new pritter Intelface cable allows direct connection of the Ouick Printer to lRS-80's bus connection, wrlnout using the Expaosion Interface. Ouick printer provides Bo-column hard copy and prcgram listings.
NEW 99900 Including Cabls 21900 TRS-80Line Printer I TRS B0 Line Printer I is a medium-speed 5x7 dot matr.x impact printer suitable for business, education and home use. It uses the standard 64_character uppel case ASCII character set, but does not support TRS-80 graphics. It uses only fanfold paper with feed holes in the margrns and wiil produce up to 5 carbon copies. A continuous loop cloth r ll3bon lasrs approxunately as ]ong as a standard tlpewriter ribbon.
:...- NEW lgggoo Including Cable Quick Printer TRS-80Line Delivers 150lines per mnute on 4.75rnch wide aluminum-fnish paper. No rrcbon ,s nceded The paper ts unajfected by hght, heat or humidity. PrDts all keyboard characters (except arrows), and upper and lower case Ietters. Giaphics are not supported. Va able character width (20 40 or B0 chaiacters per line), automatic underlining and an audible signal are all fully software controllable. All Level'II Iine pdnter commands are used.
Radio Shack's revolutionary TRS-80 Model I rntlodJced low_cost compLlting to the masses. Small business owners, educators and professional people saw the opportunity to reap benefits which were previously the exclusive domarn ol large corporations. t /hrle Model I will contrnue to fulJ l many needs (in some cases rt may even be better suited), some of you need more storage, power and speed than Model I can offer Rather than stretch the limits of Model I, we decided to meet those additional needs by designr.
Easy to Operate Fast and Expandable 32K or 64K of RAM Upper and Lower Case Direst Memory Access Built-in 8" Diskette 32K, l-Disk TRS-80 Model II System $34S0oo 64K, l-Disk TRS-80 Model II System *3899oo Anyone accustomed to a typewriter will feel light at home at the Model II keyboard. We kept it simple, with as few "special" keys as necessary to do the job.
Level III BASIC and TRSDOSDisk Operating System INP and OUT, which are no Iongerneeded Machjne language subroutines are entered easily using Model tr's improved "DEBUG" utility, and previously "POKED" values such as top offorms are handled by their own rrnidra PAUSE - lnterrupts a "DO file to require an operator action, such as inserting a diskette wheD instructed. -^mnan.
Accessories and Software to Enhance your Modet II From 1150(,(, Model II's Disk Expansion Unit Gives You Up to 2 Megabytes of Memory Storage Expanding the disk storage of yout TRS-80 Model n system is as easy as pluggmg rn one of the external Dlsk Expansion Units. It's avajlable with one, two or th-iee dives already mountedeach additional dnve adds a-bout onehalf million bytes of on-line storage.
Ghoose the Gompu TRS-80 Model II .-t-- "starter System" 4gggoo Basic,Powerful TRS-80Model II System with Line Printer Expandable as Your Needs Increase An exceptionally affordable system with 486K bytes of disk storage (including operating system software), 64K internal memory (26-4O02), a sma.ll pin-feed g%-inch wide 8o-column pdnter (26-1154) and a Line Printer II cable (26-4402\.Ideal for many businesses as it stands, yet instantly ready to be expanded as yoljr business grows.
That Fits Your Needs Model II "1.5 Megabyte Business System" 799goo A Very Powerful, High-Capacity System with High-Speed, Wide Carriage Line Printer Compare this versatile and powerfit system with 1.5 milion bytes of disk storage and 64K internal memory (26-4002), with systems costing twice as much. Includes a 2-drive external disk system (26-4161),our 1S-inch 120 CPS Traotor-Feed Line Printer UI (26-1156),and Model II System Desk (26-4301). Ideal for larger, integrated accounting systems.
Radio Shack has what it takes to be your small'comPuter GomPanY I i tl TB.S-80 Model I is in Availability! stock at most Radio Shack stores. You can see and try it before You bull Model tr is on display in all 50 Radio Shack Computer Centers and 100 special computer departments in major cities. You can order Model tr at any of our over 7000 locations. Easy operation! Our widely acclaimed Level I users manual males it easl4 even fun, for a novice tq learn computer Programming.
