Good ! Needs more unit type
Very good calculator (best I have ever used) on iphone.
But, conversion utility is missing some key unit types such as Torque, Stiffness, Moment, Acceleration which are very useful for engineers and students. Another suggestion is icons for each unit type is fine, but, show name of unit type as well so that it is easy to find unit types.
TKR07 about
Calcbot 2, v2.0.1