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Sender: Mailing list for the LaTeX3 project <[log in to unmask]>
Date: Sat, 9 Nov 2013 10:41:55 +1300
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From: Andrew Parsloe <[log in to unmask]>
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>> sind etc, and the inverse functions, are very welcome. (But as a student
>> of hyperbolic geometry, I especially look forward to the hyperbolic
>> functions and inverses!)
> Is this a jest, or would you actually use those functions?  Hyperbolic
> functions are not too hard, now that I have added a few tools to
> manipulate extended precision numbers (basically, they're just a bunch
> of sums and products on the result of the exponential function).
> Their inverses are more tricky, and I can't promise them any time
> soon.
> Regards,
> Bruno
Half in jest -- and therefore half seriously. Of course I can easily 
form cosh, sinh etc out of exp but it would be nice to have them 
built-in. It would be good to check elaborate 'trigonometric' 
simplifications (does 'trigonometric' apply to hyperbolic functions?) at 
general values of variables rather than values specially chosen to ease 
the calculations.