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FlexPDE assigns specific meanings and uses to a number of predefined 'reserved' words and symbols in descriptors.
Except when they are included as part of a comment or a literal string, these words may only be used for their assigned purpose.
ABS
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ALIAS
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AND
|
ANGLE
|
ARC
|
ARCCOS
|
ARCSIN
|
ARCTAN
|
AS
|
AT
|
ATAN2
|
|
BESSJ
|
BESSY
|
BINTEGRAL
|
BOUNDARIES
|
BY
|
|
CDF
|
CENTER
|
CLOSE
|
CONIC
|
CONSTRAINTS
|
CONTOUR
|
COORDINATES
|
COS
|
COSH
|
CROSS
|
CURL
|
|
DEBUG
|
DEFINITIONS
|
DEGREES
|
DEL2
|
DELTAT
|
DIFF
|
DIR
|
DIRECTION
|
DIV
|
DNORMAL
|
DOT
|
DTANGENTIAL
|
ELEVATION
|
ELSE
|
END
|
ENDTIME
|
EQUATIONS
|
ERF
|
ERFC
|
EXCLUDE
|
EXP
|
EXPINT
|
EXPORT
|
EXTRUSION
|
FEATURE
|
FILE
|
FINISH
|
FIT
|
FIXED
|
FOR
|
FROM
|
|
|
GAMMAF
|
GLOBALMAX
|
GLOBALMIN
|
GRAD
|
GRID
|
|
HISTORIES
|
HISTORY
|
|
IF
|
INITIAL
|
INTEGRAL
|
INTEGRATE
|
INTSTRING
|
|
JACOBIAN
|
JUMP
|
|
LAMBDA
|
LAYER
|
LAYERED
|
LIMITED
|
LINE
|
LIST
|
LN
|
LOAD
|
LOG10
|
MAGNITUDE
|
MAX
|
MESH_DENSITY
|
MESH_SPACING
|
MIN
|
MOD
|
MONITORS
|
MOVE
|
|
NATURAL
|
NEUMANN
|
NORMAL
|
NOT
|
|
|
OFF
|
ON
|
OR
|
PERIODIC
|
|
|
PI
|
PLOTS
|
POINT
|
PRINT
|
PRINTONLY
|
|
RADIANS
|
RADIUS
|
RAMP
|
REGION
|
REPEAT
|
REPORT
|
RESOLVE
|
|
|
SCALAR
|
SELECT
|
SIGN
|
SIMPLEX
|
SIN
|
SINH
|
SPLINE
|
SPLINETABLE
|
SPLINETABLEDEF
|
SQRT
|
STAGE
|
STAGED
|
START
|
SUM
|
SUMMARY
|
SURFACE
|
SWAGE
|
|
TABLE
|
TAN
|
TANGENTIAL
|
TANH
|
TECPLOT
|
THEN
|
TIME
|
TITLE
|
TO
|
THRESHOLD
|
TRANSFER
|
TRANSFERMESH
|
UNORMAL
|
UPULSE
|
URAMP
|
USTEP
|
|
|
VAL
|
VALUE
|
VALUES
|
VARIABLES
|
VECTOR
|
VELOCITY
|
VERSUS
|
VIEWANGLE
|
VIEWPOINT
|
VOID
|
VTK
|
VTKLIN
|
XCOMP
|
|
|
YCOMP
|
|
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ZCOMP
|
ZOOM
|
|
|