Они приводят к тормозам.
Пример:
Graphics3D 800,600,16,2
SetBuffer BackBuffer()
Local x#=0,y#=0,centX#=400,centY#=300,radius#=100,ygol#=Rnd(360)
Local txt$ = "Simple print"
While Not KeyHit (1)
Cls
Locate centX+x,centY+y
Print txt$
x = radius*Cos(ygol)
y = radius*Sin(ygol)
ygol = (ygol+1) Mod 360
Flip
Wend
End