You can set it so that each character is the same width even if you use a proportional font. However, using
a fixed-width font with proportional settings will still have characters which are the same width.
10
ｗ
Variable space
Ｃ
Ｉ
ｗ
Equal space
Ｃ
Ｉ
Variable space
ｗ
Equal space
Ｃ
Ｉ
ｗ
Ｃ
Ｉ