How do you calculate root of any number using casio Fx 991MS calculator?

Answer 1

3 simple steps.

i) press square root button

ii) enter the number

iii) hit "="

is it really that hard to figure out?

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For complex numbers, refer to the definition of a complex number (abs(a)*exp(-j*angle(a)))1/2 = sqrt(abs(a))*exp(-j*angle(a)/2). therefore to do this on the casio fx-991ms try the following(assuming the complex number is stored in the ans):

(sqrt(abs ans))[angle symbol]((arg ans)/2)

added by Greg

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