+1 to convert numbers, -1 to change numbers.
1423A145 -> 14m2 (14m means 14 million and the m2 200k)
1201 = 1k2
1000k2 = 1m
1255k = 1m26
Always display the biggest 3. the third can be 1 larger because of rounding (max. 1% difference to real value)
And put k (kilo), m (mega), g (giga), t...