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Exponents and notation


Solving '2^3^4^5' with a HP48G+ (Algebraic mode) gives as a result:
1.1529150461E18
This is the solution of ((2^3)^4)^5.  But is this correct?

Using:
       5
     4
    3
   2    in equation writer gives an overflow. I believe this is the correct
way of reading '2^3^4^5'

In Mathematica '2^3^4^5' is evaluated as a general overflow, so this is read
in the correct way.

Is the HP wrong ?


L.DERUYCK
mailto:dr01202 at pophost.mediring.be



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