GMACRO
example1
Set c1
1( 1 : 6/ 5 )10
End.
Set c2
1( 1.1 : 5.85 / .25 )1
Random 20 c3;
Normal 0.0 1.0.
Let c4 = c1+ c3
Let c5 = c2 + c3
name c1 'x1'
name c2 'x2'
name c3 'nran'
name c4 'y1'
name c5 'y2'
ENDMACRO