01220nam 2200361 450 991071529320332120210301103203.0(CKB)5470000002509088(OCoLC)1229107667(EXLCZ)99547000000250908820210107d1970 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierMathatronics programmable electronic calculatorPortland, Ore. :U.S. Department of the Interior, Bureau of Land Management, Portland Service Center,1970.1 online resource (3 unnumbered pages)Technical note / Bureau of Land Management ;[2]"Filing code: 1265.13 (P-410).""Date issued: June 1970."CalculatorsUnited StatesProgrammable calculatorsCalculatorsProgrammable calculators.United States.Bureau of Land Management.Portland Service Center,GPOGPOBOOK9910715293203321Mathatronics programmable electronic calculator3326909UNINA