From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael Brand <michael.ch.brand@gmail.com>
Subject: Re: Using constants in columns
Date: Sat, 17 Oct 2015 20:00:40 +0200
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To: Guido Van Hoecke <guivho@gmail.com>
Cc: orgmode <emacs-orgmode@gnu.org>

Hi Guido

On Sat, Oct 17, 2015 at 1:47 PM, Guido Van Hoecke <guivho@gmail.com> wrote:
> I have not found a way to specify the vector in a constant.

You can access the elements of the vector constant suggested by Eric
with Calc's subscript function:

#+CONSTANTS: vat=[1.15,1.21,1.40]

| Amount | VAT |  Total |
|--------+-----+--------|
|    100 |   1 | 115.00 |
|    100 |   2 | 121.00 |
#+TBLFM: $3 = $1 * subscr($vat, $2); %.2f

Michael