The following alphametic puzzle:
AREA
CONE
LAPLACE
PARALLEL
POLAR
SCALAR
+ SLOPE
---------
CALCULUS
has 1 solution.
It is:
A=2 C=4 E=1 L=9 N=0
O=6 P=3 R=7 S=8 U=5
2712
4601
9239241
32729919
36927
842927
+ 89631
---------
42945958