ANSWERS: 1
  • First we have to think logically? Lemme ask this first, why does the needle move in clock wise direction, why not anti clockwise? Because what the former thing way the sundial, and it was invented in north and there the shadow goes anticlock wise. If it had been invented in south, we would have a clock with needle moving in anti-clock wise direction. Like wise, what was before calculator? It was abacus, in that the number were from 987.. so is calculator. I hope this is the most apt answer. Nothing like I appose others opinions.

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