HEIDENHAIN TNC 407 (280 580) User Manual - Manual (Page 199)

TNC 425/TNC 415 B/TNC 407 7-14
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 through the ASCII keyboard. We recommend
entering the operations by soft key, since this excludes the possibility of
syntax errors.
Overview of functions
Mathematical function Soft key
Addition
e.g. Q10 = Q1 + Q5
Subtraction
e.g. Q25 = Q7 – Q108
Multiplication
e.g. Q12 = 5 * Q5
Division
e.g. Q25 = Q1 / Q2
Open/Close parentheses
e.g. Q12 = Q1 * (Q2 + Q3)
Square
e.g. Q15 = SQ 5
Square root
e.g. Q22 = SQRT 25
Sine of an angle
e.g. Q44 = SIN 45
Cosine of an angle
e.g. Q45 = COS 45
Tangent of an angle
e.g. Q46 = TAN 45