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10 .1 0 ent e ri ng f o rm ulas dir e ctly – HEIDENHAIN TNC 320 (340 551-01) User Manual

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HEIDENHAIN TNC 320

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Arc tangent
Inverse of the tangent. Determine the angle from the
ratio of the opposite to the adjacent side.
Example: Q12 = ATAN Q50

Powers of values
Example: Q15 = 3^3

Constant “pi” (3.14159)
Example: Q15 = PI

Natural logarithm (LN) of a number
Base 2.7183
Example: Q15 = LN Q11

Logarithm of a number, base 10
Example: Q33 = LOG Q22

Exponential function, 2.7183 to the power of n
Example: Q1 = EXP Q12

Negate (multiplication by –1)
Example: Q2 = NEG Q1

Truncate decimal places
Form an integer
Example: Q3 = INT Q42

Absolute value of a number
Example: Q4 = ABS Q22

Truncate places before the decimal point
Form a fraction
Example: Q5 = FRAC Q23

Check algebraic sign of a number
Example: Q12 = SGN Q50
If result for Q12 = 1, then Q50 >= 0
If result for Q12 = –1, then Q50 < 0

Calculate modulo value
Example: Q12 = 400 % 360
Result: Q12 = 40

Logic command

Soft key