Good morning,
Doug replied:
Go to Google and input extcalc.rpm and you'll find several
entries
that are specific
to Fedora, and some that do not seem to be specific. Download the
file and
install it with a root command line "rpm -Uvh filename.rpm"
where the
filename.rpm is
the complete name of the downloaded file, complete with any version
numbers, etc.
(Without the quotes that I have used here, of course.)
If the downloaded file has word spaces in it, then type \ before any
space.
The same goes for parentheses--both ( and ).
Of course, the file will not be updated all the time, but so what? If
it works
now,
it should continue to work on and on into the future.
I was about to do that when I saw Stan's response:
I took a quick look at the sourceforge page for this project, and it
looks like it uses qt4 as its interface. So it might not work in
latest Fedora versions, because they use qt5. It looks like
development has stopped on this approximately two years ago, so to use
it with qt5 would require modifying it yourself.
It might just require a few tweaks, but it could require more extensive
alteration.
I looked for other graphics calculators for Linux and found "GMT"
(Genius Mathematics Tool) and "Qalculate!". "Apper" does find them,
so
I installed them (as "Genius Math Tool", "Qalculate!, and "Qalculate!
(GTK)"). I gave them quick, preliminary tries, and they seem to work.
Plots of sines and cosines do look nice and wavy. If those are not
adequate, I could wrestle with "GDL", or perhaps C++ writing files and
"gnuplot" reading them.
I'm closing this.
Bill.