Task

 Describe, and give a pointer to documentation on your languages use of characters beyond those of the ASCII character set in the naming of variables.
 Show how to:
 Set a variable with a name including the 'Δ', (delta character), to 1 
 Increment it
 Print its value.


Related task
 
 Case-sensitivity of identifiers


sca Δ=10
sca Δ=Δ+1
di Δ
 
local Δ=20
local ++Δ
di `Δ'
 
mata
Δ=30
Δ++
Δ
end