Output of numbers

Hello, Matlab keeps giving me numbers in the form: 4.0000e-01, which I do not understand since with 4-significant digits it could perfectly give me 0.4000. Can someone tell me how I could change this? Thanks!

Answer 1

[Andrei Bobrov]

>> d = .4;
>> format short g
>> d
d =
          0.4
>> format short e
>> d
d =
  4.0000e-001
>>