![Problem Department]()
Problem DepartmentMacKay, D. L.; Rice, Geraldine; Duncan, Dewey C.; Trigg, C. W.; Thomas, Paul D.; Court, N. A.; Robinson, Nelson; Comfort, Edwin; Starke, E. P.; Binneweg, D. C.; Crosier, W. Raymond; Comptometer, ; Heyman, M. S.; Burdick, Isabella; McClusky, H. C. D. · National Mathematics Magazine · 1941