Piston Version 1.000 2015 initial release 500 characters in total, assigned to the following Unicode blocks:
Unicode blocks Percent Total codes Total charaters
Basic Latin
75.78%

75.78%

128 97
Latin-1 Supplement
100%

100%

128 128
Latin Extended-A
100%

100%

128 128
Latin Extended-B
48.08%

48.08%

208 100
Spacing Modifier Letters
10%

10%

80 8
Greek and Coptic
1.39%

1.39%

144 2
General Punctuation
13.39%

13.39%

112 15
Superscripts and Subscripts
8.33%

8.33%

48 4
Currency Symbols
2.08%

2.08%

48 1
Letterlike Symbols
1.25%

1.25%

80 1
Mathematical Operators
4.69%

4.69%

256 12
Geometric Shapes
1.04%

1.04%

96 1
Private Use Area
0.02%

0.02%

6400 1
Alphabetic Presentation Forms
2.5%

2.5%

80 2
Total:
6.3%

6.3%

7936 500