Lyle Cook, James McWilliam, A Simple Calculator Algorithm, The Two-Year College Mathematics Journal, Vol. 14, No. 1 (Jan., 1983), pp. 52-54 ...

Once linked, the two pieces of hardware could be treated as a single quantum computer, allowing simple algorithms to be performed that involved operations on both sides of the 2-meter gap.

Sukhin’s calculator is simple to use. Kids input a few pieces of info: ZIP code, the number of snow days to date, and the type of school (urban public, rural public, boarding, etc.).