L3-BAR | LI-BAR | (L1-2D) | |
L3-GRA | LI-SEC | (L1-2D) | |
L3-CUR | L2-HIS | (L1-2DY | |
L3-PIE | L2-PIE | (L1-2D) | |
L3-CV3D | L2-XY | (L1-2D) | |
L3-CO2D | L2-XYZ | (L1-3D) | |
L3-CO3D | L2-C2 | (L1-2D) | |
L3-SURF | L2-C3 | (L1-3D) | |
L1-2D | L2-SURF | (L1-3D) | |
L1-3D | L2-STER | (L1-3D) | |
L1-CNTR | (L1-2D or -3D) | LF-STSU | (L1-3D) |
L1-BOX | (L1-2D or -3D) |
Level 3 programs (prefixed L3-) can be loaded and run in the usual way. For example, to load and run the program L3-BAR, enter
CHAIN "L3-BAR"
Press RETURN, and then press PLAY on the cassette recorder.
Programs in Levels 1 and 2 are designed to be incorporated into your own programs, and so are in EXEC format, All Level 2 programs and some Level 1 programs require either L1-2D or L1-3D, the fundamental plotting programs, to be loaded also - the appropriate program name appears in parentheses next to these program names in the listing above.
To load L2-HIS, for example, you would enter
*EXEC "L2-HIS"
and press RETURN. Press the PLAY button on the cassette recorder. The program is listed on the screen during loading. Once loaded, enter
*EXEC "Ll-2D"
and press RETURN. Press PLAY. on the cassette recorder and wait for this program to be loaded in also.
At this point you should refer to the appropriate chapter for details of running the program.