Monday, July 20, 2009

How to Solve Square Roots...

How to solve a square root using Windows Standard Calculator?

For example, get the square root of 81.
1. Open nyo yung Calculator as Standard View.
2. Type 81 and then press the sqrt button.
3. Should give you the answer afterwards.

How to solve a square root using Windows Scientific Calculator?

Again, for example, let's get the square root of 81.
1. Open nyo yung Calculator.
2. Punta kayo sa View Menu at piliin nyo yung Scientific.
3. Sa Scientific View Window wala na yung sqrt button pero makikita nyo yung button na x^y. Yan ang gagamitin nyo sa pagkuha ng square root.
4. So to get the square root of 81, ita-type nyo 81 then press the x^y button and then type .5 at tapos yung = button.

Saan nanggaling yung .5? Para makuha natin ang square root ng 81 we need to raise 81 to the power of the reciprocal of 2. Ano reciprocal ng 2? 1/2 or 0.5 or .5 kaya naging 81 raise to the power of .5 so more power sa iyo kabayang mathematician.

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