HEIDENHAIN TNC 426 PB/M Technical Manual page 243

Special case:
Entering a formula
(As of NC software
280 472-01)
December 2001
Only for MP2020.x (linear distance of one motor revolution); starting with NC
Software 280 476-01 also for MP7530.x (type of dimension for
transformation).
You can enter a formula instead of a fixed value. When entering the formula,
you must pay attention to the case of the letters (whether they are small or
capital). Functions are written small, variables are written in capitals.
Functions:
+ Addition
– Subtraction
· Multiplication
/ Division
log Logarithm
log10 Logarithm to the base of 10
exp Exponent
() Expressions in parentheses
are solved
Variable:
REF Current position of the axis relative to the machine datum
(resolution 0.0001 mm or °)
Input and Output of Machine Parameters
sin Sine
cos Cosine
tan Tangent
asin Arc sine
acos Arc cosine
atan Arc tangent
sqrt Square root
sqr Square
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