Program 2a:

 Input an integer less than 32767
15684
 The base 10 of the input is: 15684
 The base 2 of the input is:
 011110101000100


Program 2b:
 Input a base 10 decimal:
.5743
 The base 10 of the input is: .5743
 The base 2 of the input is: .100100