inaccuracy problem (internal 15 decimals is not enough)
Not a Problem
It seems that GeoGebra calculates with 15 decimal digits.
(I assumed numeric format to be double precision floating...)
For example: sqrt(2)^4 should be 4, not something else.
This inaccuracy leads us to problems e. g. with sheets and algebra window.
CAS works better.
Desmos works better.
Files:
accuracy_GG_Des...
The same problem 
is there a calc that 1 / (sqrt(1234567² + 1) - 1234567)=sqrt(1234567² + 1) + 1234567?
how much decimals do you need for your "accuracy"?
In ggb-cas is the same result as in Desmos (undefined)
In ggb-algebra is another convention, the result is infinity instead of undefined.
I think this is very near, what you expected.
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