[julia-users] How does Julia decide where to truncate displayed values in the REPL?

[Ivar Nesje]

Julia uses the Grisu algorithm to get the shortest representation of a floating 
point number such that it can be parsed back to the same binary representation. 
That way 1.0000000000 is printed as 1.0 and 1/3 is printed with just enough 3 
digits after the point such that 1/3 == 0.33333...