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Error with exp function and imaginary numbers
07-28-2020, 05:54 PM
Post: #6
RE: Error with exp function and imaginary numbers
For comparison, I get the following results with HP 50g:

EXP(-1E49) 0.
COS(-1E49) .814097070848


With LongFloat, 50 digits precision:

EXP(-1E49) 0.
COS(-1E49) -.9190287918554938...


Interesting that the 50g gives an erroneous answer for COS but a different one than the Prime.
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RE: Error with exp function and imaginary numbers - John Keith - 07-28-2020 05:54 PM



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