While reading the tutorial it is highly recommended that you have
a copy of CoCoA running in a separate window in order to play with the
examples presented.
To execute a CoCoA command, type it into the window, ending it with a
semicolon, then press the 'return' key or 'enter' key (depending on
your system). A command can run over several lines; CoCoA will wait
for a semicolon before processing the command. Also, several commands
may be written on a single line (each ending with a semicolon).
See the next section for examples.
IMPORTANT NOTES for Macintosh and Windows users:
1. If your system has two 'enter' keys or has an 'enter' key and a
separate 'return' key, it may be that only one of these keys will
function to enter CoCoA commands. Experiment. (On some systems the
'enter' key on the far right of the keyboard is the one to use.)
2. To enter multiple lines on Macintosh and Windows systems, one needs
to highlight the lines using the mouse before hitting the 'enter'
key. Otherwise, the enter key just feeds the line containing the
cursor to CoCoA.
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