HEIDENHAIN TNC 620 (340 56x-01) - Manual (Page 392)

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Programming trigonometric functions
Press the ANGLE FUNCTION soft key to call the angle functions. The
TNC then displays the following soft keys:
Programming: Compare “Example: Programming fundamental
operations.”
Function Soft key
FN6: SINE
Example FN6: Q20 = SIN–Q5
Calculates and assigns the sine of an angle in
degrees (°)
FN7: COSINE
Example FN7: Q21 = COS–Q5
Calculates and assigns the cosine of an angle in
degrees (°)
FN8: ROOT-SUM OF SQUARES
Example: FN8: Q10 = +5 LEN +4
Calculates and assigns length from two values.
FN13: ANGLE
Example: FN13: Q20 = +25 ANG–Q1
Calculates the angle from the arc tangent of two
sides or from the sine and cosine of the angle
(0 < angle < 360°) and assigns it to a parameter.