Features p.26 The Santa Cruz Open: Othello Tournament for Computers [author Peter W Frey] One of the surprises was the impressive showing of the microcomputers and hand-held electronic units. p.38 Build a Z8-Based Control Computer with BASIC, Part I [author Steve Ciarcia] Zilog's new single-chip microcomputers ease the construction of a small, inexpensive computer system. p.48 Harvesting the Sun's Energy [author George E Mobus] A computer model helps determine the amount of solar energy received by a flatplate collector. p.94 What Time Does the Sun Rise and Set? [author Bruce Barkstrom] This sunrise-sunset program calculates many parameters associated with the sun, including the amount of solar radiation received by the earth. p.136 Multiprocessing with Motorola's MC6809E [author Hunter Scales] The MC6809E microprocessor is designed for use in a multiprocessor system. p.158 Computer Simulation of a Solar-Energy System [author Daniel Doan] An electric-circuit model makes heat flow easier to understand. p.178 Energy Conservation with a Microcomputer [author David R Jackson and John M Callahan] The principles of energy conservation can be applied to your home using a program written in PET (Microsoft) BASIC. p.230 Kalman Mileage Predictor-Monitor [author Jerry Lobdill] Predicting your cars fuel economy can alert you to mechanical problems. p.252 The infamous Traveling-Salesman Problem: A Practical Approach [author Richard T Parry and Howard Pleffer] A decision-tree pruning algorithm greatly reduces the time needed to solve the traveling-salesman problem. p.308 Micromodem Support in Apple Pascal [author Scott G Robinson] Pascal support of the standard operational features of the Micromodem II. p.326 Life After Death [author Pat Macaluso] A variation on the game of Life that introduces the concept of a cellular hereafter. p.388 Computer-Aided Drafting with Apple Pascal [author Dan Sokol] Special routines link the Apple Graphics Tablet to UCSD Pascal in this computer-aided-drafting project. Reviews p.60 Mountain Computer's MusicSystem [author Robin B Moore] p.174 The Atari Assembler/Editor [author Mark Pelczarski] p.334 DOS Plus: Double-Density Operating System for the TRS-80 [author Yvon Kolya] p.344 Percom's Doubler [author Mahlon G Kelly] p.354 Videx Keyboard and Display Enhancer [author Mark Pelczarski] Nucleus p.6 Editorial: IBM's Personal Computer p.14 Letters p.24, 134 System Notes: Terminal Width Problems with the OSI Challenger: Changes to FLOPTRAN-IV p.118 BYTE's Bugs p.120, 294, 300 Programming Oupckies: Hurricane Tracking: Energy Management with the Apple II: Computing Inflation with the Consumer Price Index p.210 Ask BYTE p.221 Books Received p.304 BYTELINES p.358 Education Forum: Animation in Computer-Assisted Instruction: The Replication of DNA p.368 Technical Forum: Catch Bytes with a Comparator p.372 Event Queue p.380, 385 BYTE's Bits p.382 Clubs and Newsletters p.386 Software Received p.180, 430 Cartoon p.433 What's New? p.494 Unclassthed Ads p.495 BOMB. BOMB Results p.496 Reader Service