Square root symbol in labels?

[Oliver Götze]

Hello,
is there a way (or a terminal [iam using postscript eps enhanced
color]) which allows to display the square root symbol? I have some
plots i have to label with this symbol but do not whant to use:
"(x)^1/2" or "sqrt(x)".

Is there a way to use the symbol insteat?

[Christoph Bersch]

Hi,

The only way that I am aware of without using any LaTeX-based terminal
is to use the Unicode character SQUARE ROOT (U+221A)

set terminal pdfcairo enhanced
set encoding utf8
set ylabel '√x'
set output 'test.pdf'
plot sin(x)

or with the Symbol font (see ps_guide.ps):

set terminal postscript eps enhanced
set ylabel '{/Symbol \326}x'
set output 'test.eps'
plot sin(x)

With a LaTeX-based terminal you could do

set terminal epslatex standalone
set ylabel '$\sqrt{x}$'
set output 'test.tex'
plot sin(x)

latex test.tex && dvips test.dvi && ps2pdf test.ps

Christoph

[Oliver Götze]

Thanks i will try the non latex based terminal variants, because i
already used the latex terminal (just for the square root) but it is
totally not practical.