Typing all seven-segment signs
using only 16 characters of a special font.
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A seven-segment sign can be divided into three parts: initial, medial and final. For example:
= + + ;
= + + ;
= space + + , etc.
There are 4 variants of the initial part, 8 variants of the medial, and 4 variants of the final. So we need only 16 characters.
Use this tool for typing (if you use Internet Explorer, maybe you should allow scripts so that the buttons could work):
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A Unicode interval 2fe0...2fef is free of blocks, at least for September 2019.
A non-official map used here:
U+2fe0 = initial space;
U+2fe1 = initial upper segment;
U+2fe2 = initial lower segment;
U+2fe3 = initial both segments;
U+2fe4 = medial space;
U+2fe5 = medial upper segment;
U+2fe6 = medial central segment;
U+2fe7 = medial upper and central segments;
U+2fe8 = medial lower segment;
U+2fe9 = medial lower and upper segments;
U+2fea = medial lower and central segments;
U+2feb = all three medial segments;
U+2fec = final space;
U+2fed = final upper segment;
U+2fee = final lower segment;
U+2fef = final both segments;
.