Below is a list of the constants and their values available for use in Sonnet Equations. All constants use uppercase characters.
Entry |
Definition |
FREQ |
The frequency in Hz at which the present data point is being calculated. |
PI |
π |
TWO_PI |
2π |
EPSILON_0 |
Epsilon sub zero - The permittivity of free space ε0= 8.854187816E-12 F/m |
MU_0 |
Mu sub zero - The permeability of free space μ0= 0.000000125664 H/m |
ETA_0 |
The impedance of free space η0= 376.7303136 ohms |
RAD_TO_DEG |
Factor to convert radians to degrees 57.2957795 |
DEG_TO_RAD |
Factor to convert degrees to radians. 1.0/57.2957795 |
VELC |
Speed of light in free space c = 299792458.0 m/ sec |
CELL_X |
Cell size in the X direction (Geometry Project Editor tab only) |
CELL_Y |
Cell size in the Y direction (Geometry Project Editor tab only) |
REF_L |
Left Reference Plane (Geometry Project Editor tab only) |
REF_R |
Right Reference Plane (Geometry Project Editor tab only) |
REF_T |
Top Reference Plane (Geometry Project Editor tab only) |
REF_B |
Bottom Reference Plane (Geometry Project Editor tab only) |
BOX_X |
Box size in the X direction in the present project units (Geometry Project Editor tab only) |
BOX_Y |
Box size in the Y direction in the present project units (Geometry Project Editor tab only) |
CELLS_X |
The number of cells in the X direction (Geometry Project Editor tab only) |
CELLS_Y |
The number of cells in the Y direction (Geometry Project Editor tab only) |
Exponential Notation Syntax
When using exponential notation, you must use a minus sign "-" to indicate a negative exponent. A positive exponent may be indicated by a ''+'' sign. The positive sign may be used but is not necessary; the positive is implied. Please see the example below.