e: mental hex/decimal conversion?

  • From: Alex Hall <mehgcap@xxxxxxx>
  • To: programmingblind@xxxxxxxxxxxxx
  • Date: Sat, 11 Apr 2009 18:57:55 -0400

So there is no way to convert it simply, that is, without multiplying by powers of 16? Oh well, it was worth a try, and thanks for the help.


Have a great day,
Alex

----- Original Message -----
From: "Jerry Richer" <jerry@xxxxxxxxxxxxxxx
To: <programmingblind@xxxxxxxxxxxxx
Date sent: Sat, 11 Apr 2009 16:14:44 -0400
Subject: Re: mental hex/decimal conversion?

    OK, take your hex number.

! Count the number of digits from right to left starting with
zero, let's
call that number x
! Multiply that digit by 16 to the power x
! Set the result aside
! Move one digit to the right
! Multiply that digit by 16 to the power x-1
! Set the result aside
! Move one digit to the right
! Multiply that digit by 16 to the power x-2
! Set the result aside
! Continue until you get to the right most digit and finally
multiply it by
16 to the power x-x or zero
! Now add all these set aside numbers together to get the base 10
equivalent
of your hex number

              Jerry

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