figure
axis ([-10, 100, -10, 100]); % Should be big enough to show all the text

th = text (1, 1, 'Why am I using Matlab, when I could be using Octave?');
unrot = get (th);

set (th, 'Rotation', 45);
rot = get (th);
units = {'pixels', 'normalized', 'inches', 'characters', 'centimeters', 'points', 'data'};

for k = 1:length (units)
  unit = units {k};
  set (th, 'Units', unit);
  cmd = sprintf ('rot_%s = get (th);', unit);
  eval (cmd);
end

figure
plot3 ([1, 100], [1, 100], [1, 100]);
th = text (1, 1, 1, 'I really miss using " for strings');
unrot3 = get (th);

set (th, 'Rotation', 45);
rot3 = get (th);

for k = 1:length (units)
  unit = units {k};
  set (th, 'Units', unit);
  cmd = sprintf ('rot3_%s = get (th);', unit);
  eval (cmd);
end

save extent_test.mat