From: Eric Abrahamsen <eric@ericabrahamsen.net>
To: emacs-orgmode@gnu.org
Subject: Re: How to use Calc constants in an Org table?
Date: Fri, 06 Feb 2015 08:47:21 +0800 [thread overview]
Message-ID: <87bnl7dfxi.fsf@ericabrahamsen.net> (raw)
In-Reply-To: 8761bgoba1.fsf@wmi.amu.edu.pl
Marcin Borkowski <mbork@wmi.amu.edu.pl> writes:
> Hello Orgers,
>
> I'd like Org to compute Fibonacci numbers for me (using a simplified
> Binet formula, i.e., Fib(n)=round(phi^n)/sqrt(5)). Here's my
> (unsuccessful) attempt:
>
> | n | Fib(n) |
> |---+--------------------------|
> | 1 | round(phi / 2.2360680) |
> | 2 | round(phi^2 / 2.2360680) |
> | 3 | round(phi^3 / 2.2360680) |
> | 4 | round(phi^4 / 2.2360680) |
> | 5 | round(phi^5 / 2.2360680) |
> | 6 | round(phi^6 / 2.2360680) |
> | 7 | round(phi^7 / 2.2360680) |
> | 8 | round(phi^8 / 2.2360680) |
>
> #+TBLFM: @3$1..@>$1=1+@-1::@2$2..@>$2=round(phi^$1/sqrt(5))
>
> I tried adding the line
>
> #+CONSTANTS: phi=1.61803398875
> to the file (and C-c C-c'd on it), but to no avail.
>
> What am I doing wrong?
References to constants need to be prefixed with a "$". So replacing the
"phi" with "$phi" in the table formula should do what you want.
Eric
next prev parent reply other threads:[~2015-02-06 0:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-05 11:20 How to use Calc constants in an Org table? Marcin Borkowski
2015-02-06 0:47 ` Eric Abrahamsen [this message]
2015-02-06 10:23 ` Marcin Borkowski
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