 ' (1)			- transpose of matrix
 , (1)			- comma
 < (1)			- lower
% (1)			- percent
%K (1)			- Jacobi's complete elliptic integral
%asn (1)		- elliptic integral
%sn (1) 		- Jacobi 's elliptic function
( ) (April)		- left and right parenthesis
(April) 		- - the minus operation
* (1)			- multiplication 
+ (1)			-      addition
/ (1)			- right division and feed back
: (1)			- colon operator
; (1)			-  ending expression and row separator
= (April)		- equal sign
Cheb2mag (1)		- response of type 2 Chebyshev filter
Graphic (2)		- Graphic library for Scilab 
H_inf_st (1)		- static H_infinity problem 
H_norm (1)		- H-infinity norm
Macglov (1)		- Mac Farlane Glover problem
Scilab object : function (1)	- Scilab procedure
Scilab object : macro (1)   - Scilab procedure
Scilab object : rationals (1)	- rational in Scilab
Scilab object: boolean (1)  - boolean variables and operators & | ~
Scilab object: list (1) - list definition
Scilab object: matrix (1)   - matrices in Scilab
Scilab object: tlist (1)    - typed list definition
Scilab object:string (1)    - character strings
Signal (1)		- Signal manual description
[ (1)			- left bracket
[,] (1) 		- left and right brackets
[] (1)			- empty matrix
\\ (1)			- left matrix division backslash
^ (1)			- power operation 
^,exp (1)		- exponentiation
abcd (1)		- state-space matrices
abinv (1)		-  AB invariant subspace
abs (G) 		-  absolute value, magnitude
acos (1)		- cosine inverse
acosh (1)		- hyperbolic cosine inverse
addf (G)		- symbolic addition
addinter (1)		- new functions interface incremental linking at run time
addmenu (3)		- interactive button or menu definition
amell (G)		- Jacobi's am function
analpf (1)		- create analog low-pass filter 
and (1) 		- logical and
ans (1) 		- answer
apropos (1)		- searches keywords in Scilab help 
argn (1)		- number of arguments in a function call
arhnk (1)		- Hankel norm approximant
arl2 (4)		- SISO model realization by L2 transfer approximation
asin (1)		-  sine inverse
asinh (1)		- hyperbolic sine inverse
atan (G)		- tangent inverse
atanh (1)		- hyperbolic tangent inverse
augment (5)		- augmented plant
balreal (1)		- balanced realization
bezout (8)		- Bezout equation for polynomials
black (1)		- Black's diagram (Nichol's chart)
bloc2exp (1)		- block-diagram to symbolic expression
bloc2ss (1)		- block-diagram to state-space conversion
bode (1)		- Bode plot
break (1)		- keyword to interrupt loops
bstap (1)		- hankel approximant
buttmag (1)		-  response of Butterworth filter
c_link (1)		- check dynamic link
cainv (1)		-  Dual of abinv
calerf (3)		-  computes error functions.
calfrq (1)		- frequency response discretization
canon (1)		- canonical controllable form
casc (1)		-  cascade realization of filter from coefficients
case (1)		- keyword used in select
ccontrg (5)		- central H-infinity controller
ceil (1)		- rounding up
champ (2)		- draw a 2d vector field 
chart (1)		- Nichols chart
cheb1mag (1)		-  response of Chebyshev type 1 filter
chepol (1)		- Chebychev polynomial
clean (1)		- cleans matrices (round to zero small entries)  
clear (1)		- kills variables
clearfun (1)		- remove primitive.
cls2dls (1)		- bilinear transform
cmb_lin (1)		- symbolic linear combination
cmndred (1)		- common denominator form
code2str (1)		- returns character string associated with Scilab integer codes.
coeff (1)		- coefficients of matrix polynomial
coffg (8)		- inverse of polynomial matrix
colcompr (8)		- column compression of polynomial matrix
colinout (1)		- inner-outer factorization
colnew (G)		- boundary value problems for ODE
colregul (1)		- removing poles and zeros at infinity
comments (1)		- comments
comp (1)		-  function compilation
conj (1)		-  conjugate
cont_frm (1)		- transfer to controllable state-space
cont_mat (1)		- controllability matrix
contour (2)		- level curves of surface
contr (G)		- controllability, controllable subspace
contrss (1)		- controllable part
convol (1)		- convolution
convstr (1)		- case conversion
copfac (1)		- right coprime factorization
corr (G)		- correlation, covariance
cos (G) 		-  cosine function
cosh (1)		- hyperbolic cosine
cotg (1)		- cotangent
coth (1)		- hyperbolic cotangent
csim (1)		- simulation (time response) of linear system
cspect (1)		- spectral estimation (periodogram method)
ctr_gram (1)		- controllability gramian
czt (1) 		- chirp z-transform algorithm
dasrt (G)		- DAE solver with zero crossing
dassl (G)		- differential algebraic equation
dcf (1) 		- double coprime factorization
debug (1)		- debugging level
deff (1)		- on-line definition of function
degree (1)		- degree of polynomial matrix
delbpt (1)		- delete breakpoint
delip (1)		- elliptic integral
delmenu (3)		- interactive button or menu deletion
demos (G)		-  guide for scilab demos
denom (8)		- denominator
derivat (8)		- rational matrix derivative
des2ss (1)		- descriptor to state-space
des2tf (1)		- descriptor to transfer function conversion
determ (8)		- determinant of polynomial matrix
detr (1)		- polynomial determinant
dft (1) 		- discrete fourier transform
dhnorm(1)		- discrete H-infinity norm
diag (1)		- diagonal including or extracting 
diary (1)		- diary of session
diophant (8)		- diophantine (Bezout) equation
disp (1)		- displays variables 
dispbpt (1)		- display breakpoints
driver (2)		- select a driver for plotting
dscr (1)		-  discretization of linear system
dsimul (1)		- discrete time response
dt_ility (1)		- detectability test
dtsi (1)		- stable anti-stable decomposition
edit (G)		-  function editing
ell1mag (1)		- magnitude of elliptic filter
else (1)		- keyword in if-then-else
elseif (1)		- keyword in if-then-else
emptystr (1)		- zero length string
end (1) 		- end keyword
eqfir (1)		- minimax approximation of FIR filter
eqiir (1)		- Design of iir filters
equil (1)		- balancing of pair of symmetric matrices
equil1 (1)		- balancing (nonnegative) pair of matrices
erf (3) 		-  The error function.
erfc (3)		-  The complementary error function.
erfcx (3)		-  The scaled complementary error function.
errbar (2)		- add error tic on a graphic
errcatch (1)		- error trapping
errclear (1)		- error clearing
error (1)		- error messages 
eval (1)		- evaluation of a matrix of strings
eval3d (2)		- values of a function on a grid
eval3dp (2)		- computes facets of a 3D parametrized surface
evans (1)		- Evans root locus
evstr (1)		- evaluation of expressions
exec (1)		- script file execution
execstr (1)		- command execution by evaluation of strings
exists (1)		- checks variable  existence
exit (1)		-  Scilab quit
external (1)		- Scilab Object, external function or routine
eye (1) 		- identity matrix
fac3d (2)		- complex 3D surface plotting
factors (8)		- numeric real factorization
factors (8)		- numeric real factorization
faurre (1)		- filter
fchamp (2)		- draw a 2d vector field 
fcontour (2)		- level curves
feedback (1)		- feedback operation
feval (1)		- multiple evaluation
ffilt (1)		- coefficients of FIR low-pass
fft (G) 		- fast fourier transform.
fgrayplot (2)		- 2D plot with gray levels
file (1)		- file management
filter (1)		- modelling filter
find (1)		- find indices of  boolean vector or matrix true elements
find_freq (1)		- parameter compatibility for elliptic filter design
findm (1)		- for elliptic filter design
fix (1) 		- rounding towards zero
floor (1)		- rounding down
flts (1)		- time response (discrete time, sampled system)
for (1) 		- language keyword for loops
format (1)		- printing format
fort (1)		- fortran or C user routines call
fourplan (1)		- augmented plant to four plants
fplot2d (2)		- 2D plot of a curve defined by an external
fplot3d (2)		- 3D plot of a surface defined by an external
fplot3d1 (2)		- gray level plotting of a surface 
frep2tf (4)		- transfer function realization of a frequency response
freq (G)		- frequency response
freson (1)		- peak frequencies
frmag (1)		- magnitude of FIR and IIR filters
fsfirlin (1)		- design of FIR, linear phase filters
fsolve (G)		- find a zero of a system of n nonlinear functions
fspecg (1)		- stable factorization
fstabst (1)		- Youla's parametrization
full (1)		-  sparse to full matrix conversion
funptr (G)		- coding of  primitives ( wizard stuff )
fwiir (1)		- IIR filters in cascade realization
g_margin (1)		- gain margin
gainplot (1)		- magnitude plot
gamitg (5)		- H-infinity gamma iterations
gcare (1)		- control Riccati equation
gcd (8) 		- gcd calculation
genfac3d (2)		- convert  3d datas to four sides facets
geom3d (2)		-  projection from 3D on 2D
getenv (G)		- get the value of an environnement variable
getf (1)		- loading of function
getpid (G)		- get Scilab process identificator
getvalue (1)		- xwindow dialog for data acquisition 
gfare (1)		- filter Riccati equation
gr_menu (2)		- simple interactive graphic editor
graduate (2)		- pretty axis graduations
grayplot (2)		- 2D plot of a surface using gray levels
group (1)		- group delay for digital filter
gtild (1)		- tilde operation
h2norm (1)		- H2 norm
h_cl (5)		- closed loop matrix
h_inf (1)		- H-infinity (central) controller
halt (3)		- stop execution
hank (1)		- hankel matrix
hankelsv (1)		- Hankel singular values
havewindow (3)		- return scilab window mode
help (1)		- on-line help command
hermit (8)		- Hermite form
hilb (1)		- Hilbert transform
hist3d (2)		- 3D representation of an histogram
histplot (2)		- plot an histogram
horner (1)		- polynomial/rational evaluation
host (G)		- unix call
hrmt (1)		- gcd of polynomials
htrianr (8)		- triangularization of polynomial matrix
if then else (1)	- conditional execution
iir (1) 		- iir digital filter
iirgroup (1)		- group delay Lp IIR filter optimization
iirlp (1)		- Lp IIR filter optimization
imag (G)		- imaginary part
impl (G)		- differential algebraic equation
imrep2ss (4)		- state-space realization of an impulse response 
input (1)		- prompt for user input
int (1) 		- integer part
intc (1)		- Cauchy integral
intdec (1)		- Changes  sampling rate of a signal
integrate (1)		- integration by quadrature
interp (G)		- interpolation
interpln (1)		- linear interpolation
intg (G)		- definite integral
intl (1)		- Cauchy integral
invr (8)		- inversion of (rational) matrix
invsyslin (1)		- system inversion
isdef (3)		- check variable  existence
iserror (1)		- error test
isoview (2)		- set scales for isometric plot
jmat (1)		- row or column block permutation
kalm (1)		- Kalman update
karmarkar (1)		- karmarkar (test program)
keyboard (1)		- keyborad commands
kron (3)		- Kronecker product
lattn (1)		- recursive solution of normal equations
lattp (1)		- lattp
lcf (1) 		- normalized coprime factorization
lcm (8) 		- least common multiple
ldiv (1)		- polynomial matrix long division
ldivf (1)		- left symbolic division
length (1)		- length of object
leqr (1)		- H-infinity LQ gain (full state)
lev (1) 		- Yule-Walker equations (Levinson's algorithm)
levin (1)		- Toeplitz system solver
lft (5) 		- linear fractional transformation
lgfft (1)		- utility for fft
lib (1) 		- library definition
lin (1) 		- linearization
lindquist (1)		- Lindquist's algorithm
lines (1)		- rows and columns used for display
linf (1)		- infinity norm
linfn (1)		- infinity norm
link (1)		- dynamic link
linpro (1)		- linear programming solver
linspace (1)		- linearly spaced vector
lmisolver (1)		- linear matrix inequation solver
lmitool (1)		- tool for solving linear matrix inequations
load (1)		- load saved variable
locate (2)		- mouse selection of a set of points 
log (1) 		- logarithm
log (1) 		- logarithm
logspace (1)		- logarithmically spaced vector
lqe (1) 		- linear quadratic estimator (Kalman Filter)
lqg (1) 		- LQG compensator
lqg2stan (1)		- LQG to standard problem
lqg_ltr (1)		- LQG with loop transform recovery
lqr (1) 		- LQ compensator (full state)
ltitr (G)		- discrete time response (state space)
m_circle (1)		- M-circle plot
mac2for (1)		- function to fortran routine conversion
macr2lst (1)		- function to list conversion
macrovar (1)		- variables of function
manedit (G)		-  editing a manual item
markp2ss (1)		- Markov parameters to state-space
matrix (1)		- vector to matrix conversion
max (G) 		- maximum
maxi (G)		- maximum
mese (1)		- maximum entropy spectral estimation
mfft (1)		- multi-dimensional fft
milk_drop (2)		-  test for plot3d 
min (1) 		- minimum 
mini (1)		- minimum 
minreal (1)		- minimal balanced realization
minss (1)		- minimal realization
mode (1)		- select a mode in exec file
modulo (1)		- arithmetic remainder modulo m
mulf (1)		-  symbolic multiplication
nehari (1)		- Nehari approximant
newfun (1)		- add a name in the table of functions
norm (1)		- matrix norms
null (1)		- delete an element in a list
numer (1)		- numerator
nyquist (1)		- nyquist plot
obs_gram (1)		- observability grammian
obscont (1)		- observer based controller
observer (1)		- observer design
obsv_mat (1)		- observability matrix
obsvss (1)		- observable part
ode (G) 		- ordinary differential equation solver
odedc (G)		- discrete/continuous ode solver
odeoptions (G)		- sets options for odepack solvers
ones (1)		- matrix made of ones
optim (G)		- non-linear optimization routine
or | (1)		- logical or
p_margin (1)		- phase margin
param3d (2)		- set of points or parametric curves in 3-D
param3di (2)		- parametric curves in 3-D with interactive view selection
parrot (1)		- Parrot's problem
part (1)		- extraction of strings
pause (1)		- pause mode, invoke keyboard
pdiv (1)		- polynomial division
pen2ea (G)		- pencil to E,A conversion
pertrans (G)		- pertranspose
pfss (1)		- partial fraction decomposition
phasemag (1)		- phase magnitude computation
phc (1) 		- from the hankel matrix to state-space model
plot (2)		- simple plot 
plot2d (2)		- multiple plot of functions
plot2d1 (2)		- multiple plot of functions
plot2d2 (2)		- multiple plot of functions (step function)
plot2d3 (2)		- multiple plot of functions (vertical bars)
plot2d4 (2)		- multiple plot of functions
plot3d (2)		- surface plotting
plot3d1 (2)		- gray level plotting of a surface 
plotframe (2)		- graphic frame with scaling and grids
plzr (1)		- pole-zero plot
pol2des (1)		- polynomial matrix to descriptor form
pol2str (1)		- polynomial matrix to string conversion
pol2tex (3)		- convert polynomial  to TeX format
polfact (1)		- minimal factors 
poly (1)		- polynomial definition
ppol (G)		- pole placement
predef (1)		- variable protection
print (1)		- prints variables  in a file 
printf,fprintf,sprintf (1)  - Emulator of C language printf functions
printf,fprintf,sprintf (1)  - Emulator of C language printf functions
printf,fprintf,sprintf (1)  - Emulator of C language printf functions
printing (2)		- printing scilab graphics 
prod (G)		- product
projsl (1)		- linear system projection
pspect (1)		- cross-spectral estimate between 2 series
quapro (1)		- linear quadratic programming solver
quit (1)		- decrease the pause level or exit
rand (1)		- random number generator
rat (G) 		- Floating point rational approximation 
rdivf (1)		- right symbolic division
read (1)		- matrices read
readb (1)		- binary read 
readc_ (3)		- read a character string
real (G)		- real part
remez (G)		- Remez's algorithm
remezb (1)		- Minimax approximation of magnitude response
repfreq (1)		- frequency response
residu (G)		- residue 
resume (1)		- return or resume 
return (1)		- return or resume 
ric_desc (1)		- Riccati equation
ricc (G)		- Riccati equation 
riccati (1)		- Riccati equation
roots (G)		- roots of polynomials
rotate (2)		- geometric rotation of a set of points  
round (G)		- rounding
routh_t (1)		- Routh's table
rowcompr (1)		- row compression of polynomial matrix
rowinout (1)		- inner-outer factorization
rowregul (1)		- removing poles and zeros at infinity
rpem (1)		- RPEM estimation
rtitr (G)		- discrete time response (transfer matrix)
save (1)		- saving variables
scaling (2)		- affine transform of a set of points  
scanf, fscanf, sscanf (1)   - Converts formatted input
scanf, fscanf, sscanf (1)   - Converts formatted input
scanf, fscanf, sscanf (1)   - Converts formatted input
sci2exp (G)		- converts  variable to a scilab expression
sci2map (1)		- Scilab to Maple
scilab (1)		- Major unix script to execute Scilab and miscellaneous tools
scilink (1)		- Unix script to relink Scilab
secto3d (2)		- 3D surfaces conversion
select (1)		- select keyword 
semidef (1)		- semidefinite programming
sensi (5)		- sensitivity functions
setbpt (1)		- setting breakpoints 
setmenu (3)		- interactive button or menu activation
sfact (G)		- discrete spectral factorization
sign (1)		- sign function
simp (G)		- rational simplification
sin (G) 		-  sine function
sinc (1)		-  samples of sinc function
sincd (1)		- sinc function
sinh (1)		- hyperbolic sine
size (1)		- size of objects
sm2des (1)		- system matrix to descriptor
sm2ss (1)		- system matrix to state-space
smooth (1)		- smoothing by spline functions
solve (1)		- symbolic linear system solver
sort (1)		- decreasing order sorting
sparse (1)		-  sparse matrix definition
specfact (1)		- spectral factor
speye (1)		-  sparse identity matrix
spget (1)		- retrieves entries of sparse matrix
splin (G)		- spline function
sprand (1)		-  sparse random matrix
spzeros (1)		-  sparse zero matrix
sqrt (1)		- square root
square (2)		- sets scales for isometric graphics
srfaur (1)		- square-root algorithm
srkf (1)		- square root Kalman filter
ss2des (1)		- (polynomial) state-space to descriptor form
ss2ss (1)		- state-space to state-space conversion, feedback, injection
ss2tf (1)		- conversion from state-space to transfer function
sskf (1)		- steady-state Kalman filter
ssprint (1)		- pretty print for linear system
ssrand (1)		- random system generator
st_ility (1)		- stabilizability test
stabil (1)		- stabilization
stacksize (1)		- set scilab stack size 
startup (1)		- startup file 
str2code (1)		- return scilab integer codes associated with a character string
strcat (3)		- catenate character strings
string (1)		- conversion to string
subf (3)		-  symbolic subtraction
sum (1) 		- sum  of vector/matrix entries
svplot (1)		- singular-value sigma-plot
sylm (1)		- Sylvester matrix
sysconv (1)		- system conversion
sysdiag (1)		- block diagonal system connection
syslin (1)		- linear system definition
system (1)		- observation update
systmat (1)		- system matrix
tan (1) 		- tangent
tanh (1)		- hyperbolic tangent
texprint (3)		- TeX output of Scilab object
tf2des (1)		- transfer function to descriptor
tf2ss (1)		- transfer to state-space
time_id (4)		- SISO least square identification
timer (3)		- cpu time
titlepage (2)		- display a matrix of strings 
toeplitz (1)		- toeplitz matrix
trans (1)		- low-pass to other filter transform
trfmod (1)		- poles and zeros display
trianfml (1)		- symbolic triangularization
tril (1)		- lower triangular part of matrix
trisolve (1)		- symbolic linear system solver
triu (1)		- upper triangle
trzeros (1)		- transmission zeros and normal rank
type (1)		- variable type
typeof (G)		-  object type
unix (1)		- shell (sh) command execution
unix_g (1)		- shell (sh) command execution, output redirected to a variable
unix_s (1)		- shell (sh) command execution, no output
unix_w (1)		- shell (sh) command execution, output redirected to scilab window
unix_x (1)		- shell (sh) command execution, output redirected to a window
unobs (G)		- unobservable subspace
unsetmenu (3)		- interactive button or menu or submenu de-activation
user (1)		- interfacing a fortran routine
varn (1)		- symbolic variable of a polynomial
wfir (1)		- linear-phase FIR filters
what (1)		- list the Scilab primitives
where (1)		- get current instruction calling tree
whereami (1)		- display current instruction calling tree
whereis (1)		- name of library containing a function
while (1)		- while keyword 
who (1) 		- listing of variables
wiener (1)		-  Wiener estimate
wigner (1)		- 'time-frequency' wigner spectrum
window (1)		- symmetric window
writb (1)		- binary write
write (1)		-  write in a formatted file
x_choices (1)		- interactive Xwindow choices through toggle buttons
x_choose (1)		- interactive Xwindow choice
x_dialog (1)		- Xwindow dialog
x_matrix (1)		- Xwindow editing of matrix 
x_mdialog (1)		- Xwindow dialog
x_message (1)		- X window message
xarc (2)		- draws a part of an ellipsis 
xarcs (2)		- drawing a set of ellipsis
xarrows (2)		- draw a set of arrows
xaxis ()		- draws an axis 
xbasc (2)		- clear the recorded graphics associated to a window
xbasimp (2)		- send graphics to a postscript printer or in a file
xbasr (2)		- redraw a graphic window
xchange (2)		- coordinates transform 
xclea (2)		- erase a rectangle on a graphic window
xclear (2)		- clear a graphic window
xclick (2)		- wait for a mouse click
xclip (2)		- set a clip zone 
xdel (2)		- delete a graphic window
xend (2)		- ends a graphic session
xfarc (2)		- fill a part of an ellipsis 
xfarcs (2)		- drawing a set of ellipsis
xfpoly (2)		- fill a polygon 
xfpolys (2)		- fill a set of polygons of the same size 
xfrect (2)		- fill a rectangle 
xget (2)		- gets current values of the graphic context
xgetech (2)		- get the current graphic 2d scale
xgetfile (3)		- dialog to get a file path
xgetmouse ()		- get current position of the mouse
xgrid (2)		- add a grid on a graphic
xinfo (2)		- add an info string on a graphic window
xinit (2)		- initialisation of a graphic driver
xlfont (2)		- load a font in the graphic context
xload (2)		- load a saved graphic
xnumb (2)		- draw numbers on a graphic
xpause (2)		- suspends Scilab 
xpoly (2)		- draw a single polyline
xpolys (2)		- draw a set of polylines
xrect (2)		- draw a rectangle
xrects (2)		- draw a set of rectangles
xrpoly (2)		-  draw a regular polygon
xs2fig (2)		- send graphics to a file in Xfig syntax
xsave (2)		- save graphics in a (reloadable) file.
xsegs (2)		- draw unconnected segments
xselect (2)		- raise the current graphic window
xset (2)		- set values of the graphic context
xsetech (2)		- set the sub window of a graphic window to use for graphics
xstring (2)		- display a matrix of strings
xstringb (2)		- draw a matrix of strings 
xstringl (2)		- computes bounding box of the display of matrix of strings
xtape (2)		-  set up the record process of graphics
xtitle (2)		- add titles on a graphic window
yulewalk (1)		-  least-square filter design
zeropen (1)		- zero pencil
zeros (1)		- matrix made of zeros
zgrid (1)		- zgrid plot
zpbutt (1)		- Butterworth analog filter
zpch1 (1)		- Chebyshev analog filter
zpch2 (1)		- Chebyshev analog filter
zpell (1)		- lowpass elliptic filter
~ (1)			- logical not
