Sphinx Cryptarithm #15

From Sphinx Magazine #135, May 1933

Reconstruct the extraction of square root.

[sphinx15]

Sphinx Cryptarithm #12

From Sphinx Magazine #130, April 1933

Reconstruct the extraction of square root:

 

[sphinx12]

Sphinx Cryptarithm #10

From Sphinx Magazine #126, March 1933

Reconstruct the extraction of square root:

[sphinx10]

Sphinx Cryptarithm #5

From Sphinx Magazine #120, February 1933

Reconstruct the extraction of square root:

I don’t know if anyone is interested in seeing more of these Alphametic puzzles from Sphinx magazine (there are 92 in total). But I am putting this one up because I have not come across this method of square root extraction before.

[sphinx5]