psxy -B WSEN
gawk " BEGIN {for (x=-13;x<=3; x+=0.1) print x,exp(x) } " >exp.txtpsxy exp.txt -R-3/3/0/12 -Jx2/1 -Bg1a1:"x":/g1a1:"y=exp(x)":>exp.pspsxy exp.txt -R-3/3/0/12 -Jx2/1 -Bg1a1:"x":/g1a1:"y=exp(x)":WeSn>exp.ps
psxy exp.txt -R-3/3/0/12 -Jx2/1 -Bg1a1:"x":/g1a1:"y=exp(x)":WS3exp.ps
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