About the scientific calculator --- Wrong Answers

Why can't the calcuilator answer a simple question like sin(30) or cos(30) etc. when it is in the 'degrees'-mode?

With a number on the display nothing happens when you push the sin, cos or tan -button.

In 'degrees'-modus and the value 0.5 on the display en hitting the sin-1 button I expect 30 (degrees) in return.

But the calculator answers in radians !!

And why does it come up with Pi as a value equal to 3, when I use Pi in a (flowing) calculation?

30/180xPi should be 0.523598 ...

While your calculator says 0.5 !!!!

And why does the modus-shift button not change from RAD to DEG when radians are active?

Total useless this 'tool'

Your correct, it's wrong.

# 1 Answer

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