Evolution ofComputersOur TeamThank YouE/17/269 Rajapaksha R.C.L.E/17/318 Senanayake S.M.U.A.E/17/383 Weerawarna S.B.Y.T.E/17/385 Welikumbura W.B.P.Early YearsAbacusNapier's Bones (1600s)Pasca...
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