Question

I am using bc command to make system number conversion.
From decimal to binary, binary to HEX, and HEX to decimal.
But I have a problem with it.

This is the problem:

memam@mSolaris:~$ bc
ibase=2 
obase=16
1111
17

Why the output doesn’t appear correctly?
The output must be F?

And when I use ibase=16 and obase=2, it works correctly.
When I change the ibase=10 and obase=2, it works correctly.

ibase=10
obase=2
3 
11

but this is true?

Answer 1

Specify the obase first so that it doesn’t try to interpret the value with the radix specified in ibase.

$ bc
obase=16
ibase=2
1111
F

Or, well…

$ bc
ibase=2
obase=10000
1111
F