Function
(Picture explanation): What's new in version
4.0 ?

Function

Expression
input

Rectangular
coordinates

Curve

2
dim

Negative
f(x,y)=0

3dimensional
solid curve can be made.
3dimensional
surface: perfectly

Surface

3
dim

Negative
f(x,y,z)=0

Polar
coordinates

Curve

2
dim

Negative
f(r,u)=0

Sphere
coordinates

Cylindrical
coordinates

Curve

3
dim

Parametric
r=f(u): p=g(u): z=h(u)

Surface

3
dim

Parametric
r=f(u,v): p=g(u,v): z=h(u,v)

Other
figures

Curve

2,3
dim

Command

Surface
solid

2,3
dim

Command

Figure
Tools: Drawing things such as basic figures, functions, quadric curves, etc.
in 2 or 3dimensional coordinates by using the mouse.

A
body of rotation  Rotating lines that are drawn by the
functionexpression or figure tools or commands.
Making
a body of rotation centering around the rotationaxis which is
the axis of x,
y, z or any line or the line through two points
appointed by the angle and subdivision.

The
drawing screen

Adjusting
the size of coordinates region

2dimensional coordinates

The
method displaying 2 dimensional coordinates

Displaying
the polar coordinates

Displaying the arrowheads: autooption

Displaying the origin,
axis, coordinates values

auto
 option

The
method displaying 3dimensional coordinates

Drawing the spaceframe,
the coordinatesaxis

3D

Displaying a full line or a dotted line of the space
frame temporarily

(Not) displaying
middle lines of the surface of the spaceframe

Making
selected items be continuously seen when we let
the spaceframe be
rotated
(animation)

Displaying
coordinates values

auto
 option

Equally
dividing
interval of variable range; adjusting subdivision
of figure
for velocity, accuracy,
good picture

4.0 can readjust the
rectangular region with the mouse

Drawing
method

curve

point
unit

surface
unit

cylinder
unit (hidden surface removal)

rectangular,
cubic unit

ray
trace

a
body of rotation (hidden surface removal)

a
body of rotation ( surface unit)

surface

point
unit

line
unit

only
toward one variable direction

negative
 cross
section perpendicular to the xaxis

negative
 cross
section perpendicular to the yaxis

negative
 cross
section perpendicular to the zaxis

surface
unit

hidden surface
removal

cubic unit

ray
trace

color
of solid surface


by
black, white

by
the color of dialogue box (appointed color)

by
brightness

by
illumination

by
the color of dialogue box (appointed color( not to distinguish
faces)

transparently
(distinguishing
face)

shape
of solid surface


Triangle
The polygon is subdivided to triangles.

Polygon
 leave as it is.

illumination
 in case of drawing 3dimensional solid, direction
of light and intensive of light is adjustable.
also
appointing
the effect of shadow, transparency of light and
the index of refraction and the ratio of reflection.

appointing the color

background
of 'the drawing screen',
coordinate axis, internal color of figure
section
coordinate,
coordinate scale  appointment, auto option

separately
appointing color of character in 2D
or 3D screen.

appointing
linethickness

thickness

Graph
or figure, coordinate axis, spaceframe

8
~ 14

section
coordinate,
coordinate scale  appointment, auto option

length

coordinate
scale  appointment, auto option

type

a
dotted line

picture
collection screen

In
case of saving pictures by gcg file , the
bmp files is saved in the folder which is made below
the gcg file..
(Management
becomes convenient.)

Making the 'temporary graph memory display window'
or the contents above it to be seen
in a big window

function

inverse
trigonometric function,
hyperbolic function, inverse hyperbolic function, sgn, conj

Calculation

Single
Integral (indefinite
integral)

differentiation(derivative),
high order differentiation, partial differentiation

differential
coefficient,
high order differential coefficient , partial differential
coefficient

in
the field of complex numbers  included complex
operation and function

calculation
without regard to ciphers  decomposition to prime
factors,
nPr, nCr, nHr, n!, +,,*,/, sqr

Matrix
 sum,
difference, product, scalar multiple, inverse matrix, determinant, cofactor
matrix, transpose matrix,
the echelon matrix, the solution of linear equation, alternating
product

statistic
analysis
