omg u need A scientific calculator, doesnt ur maths teacher teach u how to use it cause im now a pro at myn and been usin it for years already.
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omg u need A scientific calculator, doesnt ur maths teacher teach u how to use it cause im now a pro at myn and been usin it for years already.
i av no idea
It's 50 matey. Although people already told you! :p
I use a calculator, I can't work it out mentally...