On 20/05/10 17:24, Dov Grobgeld wrote:
Regarding doing approximate answers in the head, it doesn't always work
as is told in an anecdote
of the books about the late physists Richard Feynmann. It tells the
story of how he used to brag that any arithmetic problem that could be
stated in in ten seconds he could give an approximate answer up to 10%
to in 30seconds. This all worked out for a while until someone said to him
sine of a million
which managed to shut up even Richard Feynmann.
I won't be as arrogant as Richard Feynmann, but I can give the correct answer
plus/minus one ;-)
Personally for simple calculations I use gcalctool (bound to win+c) or google
(turns out that it's also a calculator and a measurement converter ...)
Cheers,
Dov
On Thu, May 20, 2010 at 16:41, shlomo bauer <shlomoba...@gmail.com
<mailto:shlomoba...@gmail.com>> wrote:
Hi,
Sammy is wondering (for years) how unix/linux users do simple
calculations.
Many people write their own calculator language - in the tradition of
hoc. Anyone who actually
enters in the code for hoc will discover something quite interesting.
Other people use languages like Nickle (http://nickle.org/); I
typically use haskell and in the past, I used ocaml and further in the
past, I used sml - still my favorite.
Another approach is to use a spreadsheet. You can compute recursive
functions using !.
My favorite, for "simple" cacluations, is to compute an approximate
answer and to do so, I don't generally need anything except a sense of
the scale of the numbers.
Shlomo
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