How to calculate X^n using normal calculator

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Quick Summary
Explains a shortcut to calculate x^n using a normal calculator by repeated square roots, adjustments, and multiplication. Useful for exams without scientific calculators, providing approximate results for exponential calculations.

That's easy...

Say x^n = p

than x^-n = 1/p

Sir what if the power to e is negative. Will same apply?
Why doesn't ICAI allow students to use scientific calculator? This process is so tedious and error prone

Is there any formula to find the value without using the calculator?

(2.03)^-6.9

Calculator is not giving the correct answer for this, Someone help, Please

How to calculate compounded annually amount in mobile calculator like FD with interest. 

If the term is for 5 years and interest rate is say 7% and amount is 120000. Then, the calculation will be

120000*(1+7%)^5

'X=' is not working, showing the same answer every time

 

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