Line Equation prog
(c) Christopher Browne, 1995

(Christopher_Browne@brown.edu)

enter the x and y coordinates of two points
---------------------------------------------------------------
"X1"?->X
"Y1"?->Y
"X2"?->A
"Y2"?->B
" "
"MIDPOINT"
"X"
(X+A)/2,  *the comma is the display symbol*
"Y"
(Y+B)/2,
" "
"Slope"
(B-Y)/(A-X)->C,
" "
"DISTANCE: THE SQROOT OF"
(A-X)^2+(B-Y)^2,
" "
"EQUATION"
"Y="
C,
"*X+"
Y-CX->D,