Euler Identity in Home

[Eddie W. Shore]

(04-04-2014 12:41 PM)Marcus von Cube Wrote:  

(04-04-2014 05:09 AM)ColinJDenman Wrote:  But e^i*pi in degrees mode gives the 2.07E-13. I begin to feel this is less a question of Exact versus Approximate, but rather some inconsistency internally.

In Home, π is just a floating point (BCD) number, not a symbolic constant. Thus, sin(π) simply isn't zero. I wouldn't be surprised if the result is the correctly rounded result of computing sin(3.14159265359).

Agree. This is nothing new for HP calculators.