ID:DA0653879X
Hoffman, Ruth
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[developed by Ralph A. Oliva, M. Dean LaMont, Linda R. Fowler ; with contributions by Elizabeth McIntosh ... et. al. ; in cooperation with Ruth I. Hoffman ... et. al.]
Texas Instruments Incorporated c1984
Available at 1 libraries
[developed by the staff of the Texas Instruments Learning Center, Ralph A. Oliva, M. Dean LaMont, Linda R. Fowler ; with contributions by Elizabeth McIntosh ... et al. ; in cooperation with the staff of the University of Denver Mathematics Laboratory, Ruth I. Hoffman ... et al.]
Texas Instruments Learning Center c1976