Sigma 7
Sigma 7 may refer to:
the callsign of the spacecraft used in the 1962 Mercury-Atlas 8 mission
the SDS Sigma 7 computer, made by Scientific Data Systems (SDS), later known as Xerox Data Systems (XDS)
Sigma Seven, a Japanese company
Sigma 7 (video game), 1987 computer game by Durell Software
Sigma 7 AC servo drive series from Yaskawa Electric Corporation
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