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{SECT 0 {EXCHG {PARA 0 "" 0 "" {TEXT -1 104 " Define your parametric c
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" {MPLTEXT 1 0 78 "xt:=t->piecewise(t<0, 0, t>0 and t<2,t+t^2+1,t>2 an
d t<3,  -t+t^2+t^3,t>3, 0);" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#>%#xtGf
*6#%\"tG6\"6$%)operatorG%&arrowGF(-%*piecewiseG6*29$\"\"!F132F1F02F0\"
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{PARA 0 "" 0 "" {TEXT -1 148 "  Make sure your curves join together sm
oothly!! (not like the one here). You can check by zooming in to the p
oints where they join (plot the curve " }}{PARA 0 "" 0 "" {TEXT -1 83 
"only for t values around where they join; in the example here these t
imes are t=2)." }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}
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