HEIDENHAIN IK 5394-3D - Manual (Page 358)

Chapter 4 Programming
4-86
Test conditions are constructed as formulas. Use the following information to
help construct useful test conditions.
Parantheses( )
Use parantheses to order mathematical equations. For example, in the follow-
ing equation
6*(4+2) = 36
the 4 and 2 are added together before being multiplied by the 6.
The same equation without the parantheses is as follows:
6*4+2 = 26
Here 6 is multiplied by 4 then added to 2.
Work from the innermost set of parantheses to the outermost set in equations
using multiple sets of parantheses.
For example,
((4+2)*(4+2)+1) = 37
Here the addition in the innermost parantheses is performed first, then the two
sums are multiplied and added to 1.
NOTE
The mathematical order of operations is always multiplication,
division, addition, subtraction.
Parantheses can also be used to call functions such a squares, square root, max,
min, etc. For example,
sqrt(100) = 10
the function (square root) is performed on the number in the parantheses
(100).
Brackets [ ]
Use brackets to recall previously measured features for a formula. For example,
[Circle 1]x
recalls the 'x' value of Circle 1.
A more complex equation might be
sqr([Circle 1]radius)*PI
Here the radius of Circle 1 is squared and multiplied by pi which produces the
area of Circle 1.