HEIDENHAIN TNC 407 (280 580) ISO Programming - Manual (Page 209)

TNC 426/TNC 425/TNC 415 B/TNC 407 7 - 2 0
7 Programming with Q Parameters
7.7 Entering Formulas Directly
You can enter mathematical formulas that include several operations
either by soft key or directly from the ASCII keyboard. We recommend
entering the operations by soft key, since this eliminates the possibility of
syntax errors.
Overview of functions
Mathematical function Soft key
Addition
Example: Q10 = Q1 + Q5
Subtraction
Example: Q25 = Q7 – Q108
Multiplication
Example: Q12 = 5
∗
Q5
Division
Example: Q25 = Q1 / Q2
Open parentheses
Example: Q12 = Q1
∗
(Q2 + Q3)
Close parentheses
Example: Q12 = Q1
∗
(Q2 + Q3)
Square
Example: Q15 = SQ 5
Square root
Example: Q22 = SQRT 25
Sine of an angle
Example: Q44 = SIN 45
Cosine of an angle
Example: Q45 = COS 45
Tangent of an angle
Example: Q46 = TAN 45