Rectangle
x
----prompts for Rectang2
[Left midpoint/Right midpoint/Top midpoint/Bottom midpoint/Center] <Corner> of rectangle: 
xΤ [褤I(L)/k褤I(R)/W褤I(T)/U褤I(B)/I(C)] <@I>:
First corner of rectangle:
xΤ@I:
Other corner: 
t@I: 
Left midpoint: 
褤I: 
Right midpoint: 
k褤I: 
Top midpoint: 
W褤I: 
Bottom midpoint: 
U褤I: 
Center point: 
I: 
Length: 
: 
[Half length] <Length>: 
[@b(Half)] <>: 
[Square/Half width] <Width>: 
[(Square)/@be(Half)] <e>: 
[Square] <Width>: 
[(Square)] <e>: 
Half width: 
be: 
Half length: 
b: 
