1. 12.1. BASIC RESERVED WORDS
    2. 12.2. SML SUMMARIES
      1. 12.2.1. SML INSTRUCTION SUMMARY
      2. 12.2.2. SML ASSEMBLER SUMMARY
    3. 12.3. ALLOWABLE CHARACTERS IN SML AND THEIR CORRESPONDING EBCDIC CODES
    4. 12.4. COMMAND SUMMARIES
      1. 12.4.1. VI (Visual) Editor Command Summary
      2. 12.4.2. Unix Command Summary
      3. 12.4.3. XEDIT EDITOR COMMAND SUMMARY
    5. 12.5. DATA SHEETS
    6. 12.6. USEFUL NOTES
      1. 12.6.1. Scan-converting circles
        1. 12.6.1.1. ALGORITHM 1: BRUTE FORCE PARAMETRIC METHOD
        2. 12.6.1.2. ALGORITHM 2: INCREMENTAL VERSION OF 1
        3. 12.6.1.3. ALGORITHM 3: ELIMINATING THE ROUNDING OPERATION
        4. 12.6.1.4. ALGORITHM 4: CALCULATING ERRORS INCREMENTALLY
        5. 12.6.1.5. ALGORITHM 5: ELIMINATING CALCULATION OF ABSOLUTE VALUES
        6. 12.6.1.6. ALGORITHM 6: EXPRESSING THE ALGORITHM IN TERMS OF THE SUM (ER + ED )
        7. 12.6.1.7. ALGORITHM 7: ELIMINATING MULTIPLICATIONS: 4*X AND 4*Y
      2. 12.6.2. Hidden-Surface Algorithms -- Point-Sampling Algorithms
        1. 12.6.2.1. DEPTH-SORTING (PAINTER'S ALGORITHM)
        2. 12.6.2.2. Z-BUFFER
        3. 12.6.2.3. RAY-TRACING (RAY-CASTING)
        4. 12.6.2.4. SCAN-LINE
      3. 12.6.3. Features of Various Algorithms
        1. 12.6.3.1. DEPTH-SORTING
        2. 12.6.3.2. Z-BUFFER
        3. 12.6.3.3. RAY-TRACING
        4. 12.6.3.4. SCAN-LINE
      4. 12.6.4. Hidden surface algorithms (continued)
      5. 12.6.4. Shading polygon meshes
    7. 12.7. GRAPHICS UTILITIES
    8. 12.8. UNIX PLOT ROUTINES
    9. 12.9. HEWLETT PACKARD 7475A PLOTTER
      1. 12.9.1. Controls & Indicators
        1. ERROR
        2. ARROWS
        3. ENTER
      2. 12.9.2. Plotting on the 7475A
        1. COORDINATE SYSTEM
        2. SCALING
        3. HEWLETT PACKARD GRAPHICS LANGUAGE(HPGL)
        4. SUMMARY OF HPGL COMMANDS
        5. EXAMPLE PROGRAM
      3. 12.9.3. Digitizing a Point