t.SetTextSize(0.026)
t.DrawText(3, 17, r'>>> x, y = 5, 7')
t.DrawText(3, 16, r'>>> import math; x*math.sqrt(y)')
t.DrawText(
3, 14,
r'>>> for i in range(2,7): print "sqrt(%d) = %f" % (i,math.sqrt(i))')
t.DrawText(3, 10,
r'>>> import ROOT; f1 = ROOT.TF1( "f1", "sin(x)/x", 0, 10 )')
t.DrawText(3, 9, r'>>> f1.Draw()')
t.SetTextFont(81)
t.SetTextSize(0.018)
t.DrawText(4, 15, '13.228756555322953')
t.DrawText(4, 13.3, 'sqrt(2) = 1.414214')
t.DrawText(4, 12.7, 'sqrt(3) = 1.732051')
t.DrawText(4, 12.1, 'sqrt(4) = 2.000000')
t.DrawText(4, 11.5, 'sqrt(5) = 2.236068')
t.DrawText(4, 10.9, 'sqrt(6) = 2.449490')
pad = TPad('pad', 'pad', .2, .05, .8, .35)
pad.SetFillColor(42)
pad.SetFrameFillColor(33)
pad.SetBorderSize(10)
pad.Draw()
pad.cd()
pad.SetGrid()
f1 = TF1('f1', 'sin(x)/x', 0, 10)
f1.Draw()
nut.cd()
nut.Update()
