In[]:=
Plot[Exp[x],{x,0,1}]
Out[]=
0.2
0.4
0.6
0.8
1.0
1.5
2.0
2.5
In[]:=
Plot[Exp[x],{x,0,1},PlotRange->{{0,1},{0,1}}]
Out[]=
0.0
0.2
0.4
0.6
0.8
1.0
0.0
0.2
0.4
0.6
0.8
1.0