How does the DM42 accuracy compare to other calculators ?

[Michael de Estrada]

I was curious as how the the new Swiss Micros DM42 accuracy compared with other calculators, so I performed the calculation of -2 ln e^x on several calculators with the following results:

DM42 > -2.000 -i2.316E-34

HP 42s > -2.00 -i4.14E-13

HP 50g > -2.000 -i4.135E-13

HP Prime > -2.000 -i4.135E-13

So, the HP calculators all have the same error in the imaginary part which should be zero, but the DM42 error is 260% lower.

It would be interesting to see how these calculators compare with other operations, data types and functions.