yeah, you got me on that one. CR pretty much sets one font for the entire string.
The only trick that I have heard of, would be to have basically 3 formulas which you could break up into everything before the 1/2 and after the 1/2 and the actually 1/2. Then you could build a text box with the 3 formulas set inside it so that they would all smash together and look like 1 string.
the formulas would be something like:
local numbervar half := instr({table.field}, "1/2");
left ({table.string}, half -1)
local numbervar half := instr({table.field}, "1/2");
mid ({table.string}, half +3)
local numbervar half := instr({table.field}, "1/2");
half > 0
then you could display the results, with the actual 1/2 symbol being a static field that you can hide....this is but one stab at it.
HTH