Transferred from en.wikipedia to Commons by Maksim.

Summary

Graph of the logarithmic integral function li(x) in the range of 1.01 < x < 25

Original creation by Linas Vepstas <linas@linas.org>; using gnuplot with setup

set term svg
set out 'li.svg'
#
set data style lines
set key right
set xzeroaxis linetype -1 linewidth 2
set yzeroaxis linetype -1 linewidth 2
set xtics axis
set ytics axis
#
# set bmargin 2
set lmargin 5
#
# set yrange [-3:12]
unset border
set border 2
#
set title "logarithmic integral li(x)"
set xlabel "x"  0, 3
set ylabel "li(x)" -1, 0
plot "li.dat" using 1:2 title "" with lines linewidth 2

Licensing

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue

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	You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
	This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue