Features p.20 Structured Programming and Structured Flowcharts [author Gregg Williams] A technique that makes programs easier to write, understand, fix, and change. p.36 Build the Disk-80: Memory Expansion and Floppy-Disk Control [author Steve Ciarcia] Steve discusses how to use dynamic memory and floppy-disk-controller integrated circuits and presents a design that incorporates them. p.54 Three-Dimensional Computer Graphics, Part 1 [author Franklin C Crow] Ways to display solid objects with the removal of hidden lines and surfaces. p.132 What Is Good Documentation? [author Jim Howard] How to write clear and effective documentation. p.166 A Beginner's Guide to Spectral Analysis, Part 2 [author Mark Zimmermann] Images can be transformed into holograms via Fourier transforms. p.262 A Simple Approach to Data Smoothing [author Fred Ruckdeschel and Janice A Krinsky] The techniques described here can aid in the interpretation of data taken from real-world situations. p.300 The New Literacy: Programming Languages as Languages [author Jon Handel] BASIC, ALGOL, and APL are compared to the English language. p.317 Computer Music: A Design Tutorial [author Thomas P Orlofsky] A modest amount of…