Alphabetic Operator Index

Index(in alphabetical order)

abs (1) absolute value
add (2) addition
addforce (2) apply a force to a mass
adj (1) adjunct of a square matrix
algorithm (1) Getting the construction algorithm of an element
allcircles (0) all circles of a construction
allconics (0) all concics of a construction
allelements (0) all elements of a construction
alllines (0) all lines of a construction
allmasses (0) all masses of a simulation
allpoints (0) all points of a construction
allsegments (0) all segments of a construction
allsprings (0) all springs of a simulation
alpha (1) set overall alpha
amsdata (0) data from a built-in gravity sensor
and (2) logical and
append (2) append an element to a list
apply (2) apply a function to all elements of a list (run variable is #)
apply (3) apply a function to all elements of a list (explicit run variable)
arccos (1) arccosine function
arcsin (1) arcsine function
arctan (1) arctangent function
arctan2 (1) binary arctangent function
arctan2 (2) binary arctangent function
area (3) area of triangle given by three points
assert (2) conditional print for error checking
autoclearlayer (2) automatic clearing of layers
blue (1) blue RGB-vector
calibratedamsdata (0) data from a built-in gravity sensor after calibration
candisplay (1) test if a string can be rendered by the current system and font
canvas (3) using a pixelimage as canvas w.r.t. one point
canvas (4) using a pixelimage as canvas w.r.t. two points
canvas (5) using a pixelimage as canvas w.r.t. three points
ceil (1) closest larger integer
circle (2) create a circular shape from point and radius
clear (0) clear all variables
clear (1) clear a specific variable
clearconsole (0) clear the output console
clearimage (1) erasing a pixelimage
clearlayer (1) clearing a layer
clip (1) set clippath to a shape
closeconnection (1) close a TCP connection
closefile (1) close a file given by a handle
color (1) set overall color
colorplot (3) plot a region colored by the values of a function
column (2) a specific column of a matrix
columnmatrix (1) convert a vector to a column matrix
common (2) common elements of two lists
complex (1) convert xy-point to complex number
concat (2) concatenate two lists
conjugate (1) complex conjugate
connect (1) connect a list of points
consecutive (1) list of all pairs of consecutive elements of a list
contains (2) predicate for membership
convexhull3d (1) convex hull of a list of 3D points
cos (1) cosine function
create (3) create a an arbitrary geometric element
createimage (3) create a pixelimage with name and specified size
createpoint (2) create a point with name and position (since 2.1)
createtool (3) creating a custom toolbar
createvar (1) create a local variable
cross (2) cross-product of two 3-dimensional vectors
crossratio (4) cross-ratio of four points
cycle (1) list of all pairs of consecutive elements of a list, cyclically closed
d (2) numerically differentiate a function
date (0) current real-world date
det (1) determinant of a square matrix
det (3) determinant of matrix of three points in homogeneous coordinates
directproduct (2) direct product of two lists
dist (2) numerical value of the distance of two vectors.
dist (2) distance of two points
div (2) division
draw (1) draw a point
draw (2) draw a segment
draw (1) draw the outline of a shape
drawall (1) draw all elements in a list
drawcircle (2) draw a circle from center and radius
drawcurves (2) draw an oscillograph for physics
drawfield (1) draw the flux of a vector field
drawfieldcomplex (1) draw the flux of a complex function
drawforces (1) draw the flux of a force field
drawimage (2) draw a pixelimage, w.r.t. one point
drawimage (3) draw a pixelimage, w.r.t. two points
drawimage (4) draw a pixelimage, w.r.t. three points
drawimage (5) draw a pixelimage, w.r.t. four points
drawpoly (1) draw polygon border from pointlist
drawpolygon (1) same as drawpoly
drawtable (2) draw a table
drawtext (2) draw a string
eigenvalues (1) eigenvalues of a square matrix
eigenvectors (1) eigenvectors of a square matrix
element (1) Getting a handle to an element
elementsatmouse (0) lists all elements close to the current mouse position
err (1) debugging printout
eval (1) force evaluation of an expression
exp (1) exponential function
fill (1) fill a shape
fillcircle (2) fill a circle from center and radius
fillplot (1) plot a function with integral like highlighting
fillplot (2) highlight the difference between two functions
fillpoly (1) draw filled polygon from pointlist
fillpolygon (1) same as fillpoly
flatten (1) flatten the nesting depth of a list
floor (1) closest smaller integer
flush (1) flush output to a TCP port
fontfamilies (0) a list of all available fonts
forall (2) repeat loop with # run-variable
forall (3) forall loop with explicit run-variable
forall (2) forall loop with # run-variable
forall (3) forall loop with explicit run-variable
force (1) probing force at a specific position
format (2) convert a number to a string with specified precision
format (2) convert a number to a string with specified precision
gauss (1) convert complex number to xy-point
geotype (1) retrieve the geometric type of a vector
gray (1) gray RGB-vector
green (1) green RGB-vector
greset (0) reset colors, alpha, width, clip and transformation. Reset stack
grestore (0) restore colors, alpha, width, clip and transformation from stack
grey (1) grey RGB-vector
gsave (0) store colors, alpha, width, clip, and transformation to stack
guess (1) convert a number to a string guessing the numbers meaning
guess (1) convert a number to a string guessing the numbers meaning
halfplane (2) create a halfplane shape
hermiteanproduct (2) hermitian scalar product
hue (1) hue RGB-vector
if (2) if operator
if (3) if/else operator
im (1) imaginary part
imagergb (3) inquiring the rgba value of a pixel
imagesize (1) getting the size of an image
import (1) import program code from file
incidences (1) list of incidences of a geometric object
indexof (2) first index of a substring
indexof (3) first index of a substring after position
inputs (1) Getting the defining objects of an element
inspect (1) list available attributes
inspect (2) get an attribute
inspect (3) set an attribute
instrument (1) specifying a MIDI instrument
instrumentnames (0) list all available MIDI instruments
inverse (1) inverse of a square invertible matrix
iscircle (1) test for circle
iscomplex (1) test for complex number
isconic (1) test for conic
iseven (1) test for even integer
isgeometric (1) test for geometric object
isinteger (1) test for integer
iskeydown (1) asks if a key is currently pressed
isline (1) test for line
islist (1) test for list
ismass (1) test for mass
ismatrix (1) test for nested list in matrix shape
isnumbermatrix (1) test for list which is a number matrix
isnumbervector (1) test for list which is a number vector
isodd (1) test for odd integer
ispoint (1) test for point
isreal (1) test for real number
isselected (1) test for being selected
isspring (1) test for spring
isstring (1) test for string
issun (1) test for sun
isundefined (1) test for being undefined
javascript (1) calling javascript
join (2) join of two points
key (0) typed character
keydownlist (0) list of all kurrently pressed keys
keys (1) list of local keys associated with an object or a variable
layer (1) setting the drawing layer
length (1) length of a string
length (1) length of a list
line (1) setting the geometric type of a vector to line
linearsolve (2) solve a system of linear equations
linecolor (1) set line color
linereflect (1) obtain a transformation matrix for reflection in a line
linesize (1) set line size
load (1) load data from a file
local (arbitrary many arguments) create local variables (deprecated)
locusdata (1) list of points on a locus
log (1) natural logarithm
map (2) obtain a transformation matrix for translations
map (4) obtain a transformation matrix for similarities
map (6) obtain a transformation matrix for affine transformations
map (8) obtain a transformation matrix for projective transformations
mapgrid (1) mapping a rectangular grid
mapimage (2) map a pixelimage, w.r.t. a function
matrixrowcolumn (1) number of rows and colums of a matrix
max (1) maximum of all list elements
max (2) maximum of function values applied to all list elements (run variable is #)
max (3) maximum of function values applied to all list elements (explicit run variable)
meet (2) intersection of two lines
message (1) show a message in the status line
midiaddtrack (1) assigning a MIDI melody given by a list of notes to a track
midichannel (1) setting the midi channel
midicontrol (2) setting an arbitrary midi control value
midiposition (1) setting the sound pointer
midiposition (0) getting the sound pointer
midispeed (1) setting the speed of the MIDI tracks
midispeed (0) getting the speed of the MIDI tracks
midistart (0) starting the MIDI tracks
midistop (0) halting the MIDI tracks
midivolume (1) setting the midi volume
min (1) minimum of all list elements
min (2) minimum of function values applied to all list elements (run variable is #)
min (3) minimum of function values applied to all list elements (explicit run variable)
mod (2) modulo
mouse (0) current mouse position in homogeneous coordinates
mover (0) last moved object
moveto (2) move point to position
mult (2) multiplication
not (1) logical not
openconnection (2) open a TCP port
openfile (1) open a file with specified name, return a handle
openurl (1) open a specified URL in a browser
or (2) logical or
pairs (1) list of all pairs of elements of a list
para (2) parallel of line through point
parallel (2) parallel of line through point
parse (1) convert string to CindyScript expression
pauseanimation (0) pause the animation
perp (1) perpendicular 2-dimensional vector
perp (2) perpendicular of line through point
perpendicular (2) perpendicular of line through point
playanimation (0) start the animation
playfrequency (1) playing a MIDI note with specified freqeuncy
playfunction (1) use a function to generate an audio sample
playmelody (1) playing a MIDI melody given by a list of notes
playsin (1) play a periodic signal
playtone (1) playing a MIDI note
playwave (1) use a list of numbers to generate an audio sample
plot (1) plot a function with # run variable
plot (2) plot a function with explicit run variable
point (1) set the geometric type of a vector to point
pointcolor (1) set point color
pointreflect (1) obtain a transformation matrix for reflection in a point
pointsize (1) set point size
polygon (1) create a polygonal shape from a list of points
pow (2) power
prepend (2) prepend an element to a list
print (1) print a value
print (2) print to a file
print (2) write to a TCP connection
println (0) newline
println (1) print a value followed by newline
println (2) println to a file
println (2) write to a TCP connection
product (1) product of all list elements
product (2) product of function values applied to all list elements (run variable is #)
product (3) product of function values applied to all list elements (explicit run variable)
pslq (1) same as guess
random (1) random real number
random (0) random number between 0.0 and 1.0
randombool (0) random boolean value
randominteger (1) random integer number
randomnormal (0) (0,1)-normal distributed random real value
re (1) real part
readln (1) read from a TCP connection
red (1) red RGB-vector
regional (arbitrary many arguments) create local variables
release (arbitrary many arguments) remove local variables and return last value (deprecated)
remove (2) list difference
removeelement (1) delete a named geometric element and the dependent elements of it
removeimage (1) removing a pixelimage
removetool (1) removing a tool from a custom toolbar
removevar (1) destroy a local variable
repaint (0) force a repaint of the screen
repaint (1) force a repaint after a delay
repeat (2) repeat loop with # run-variable
repeat (3) repeat loop with explicit run-variable
replace (3) replace all occurences of a substring by another string
replace (2) apply several replacements given in a list of replacement pairs
resetclock (0) reset the internal clock
reverse (1) reverse a list
roots (1) determine the roots of a polynomial
rotate (1) rotate the global coordinate system
round (1) rounded value
row (2) a specific row of a matrix
rowmatrix (1) convert a vector to a row matrix
scale (1) scale the global coordinate system
screen (0) create a polygonal shape that covers the screen
screenbounds (0) determining screen bounds
screenresolution (0) determining screen resolution
seconds (0) seconds since last reset
seedrandom (1) seed the random generator
select (2) select all elements of a list with a certain property (run variable is #)
select (3) select all elements of a list with a certain property (explicit run variable)
set (1) remove multiple instances of list elements, yielding a set
setbasis (1) set global coordinate system to a translation basis
setbasis (2) set global coordinate system to a similarity basis
setbasis (3) set global coordinate system to an affine basis
setbasis (4) set global coordinate system to a projective basis
setdirectory (1) set current directory
setdirectory (1) set the current directory
setforce (2) set the force of a mass to a specific value
simulation (0) handle to simulation
simulationtime (0) time synchronized with simulation
sin (1) sine function
sort sort elements from a list, can in particular be applied to lists of strings
sort (1) sort elements in a list
sort (2) sort elements in a list by explicit function
sqrt (1) square-root
stopanimation (0) stop the animation
stopsound (0) stop all sample out lines
stoptone (1) muting a MIDI note
sub (2) subtraction
submatrix (2) a specific minor of a matrix
substring (3) substring of a string from start index to end index
sum (1) sum of all list elements
sum (2) sum of function values applied to all list elements (run variable is #)
sum (3) sum of function values applied to all list elements (explicit run variable)
take (2) access the n-th element of a list
tan (1) tangent function
tangent(2) calculate the tangent to a function
text (1) convert anything to a string
textcolor (1) set text color
textsize (1) set text size
time (0) current real-world time
tokenize (2) tokenize a string and return a list of tokens
translate (1) translate the global coordinate system
transpose (1) transpose of a matrix
trigger (2) trigger a function on value change
triples (1) list of all triples of elements of a list
unicode (1) convert unicode into character
wait (1) wait for a specified number of milliseconds
while (2) while loop
xor (2) logical exclusive or
zeromatrix (2) create a zero matrix of specified length
zerovector (1) create a zero vector of specified length