****************************************************************
Inudkčnost cívky
L = 
(1/(2*pi*f))*sqrt((UL^2/IL^2)-RL^2)
****************************************************************

Horizontální složka magnetického pole Země
Hz = 
(N*I)/(2*R*tan(deg2rad(f)))
****************************************************************

Výpočet poměru e/m
B = 
((4E-07*pi)*N*R^2*I)/((R^2+x^2)^(3/2))
e/m = 
(2*U)/(r^2*B^2)

****************************************************************
graf
a*sin(x)^3+b*sin(x)^2-c*sin(x)-1

x
-3..5

a
4

b
2

c
-2

****************************************************************
y+sqrt(x)

y
0..100;0.5 [m]

x
0..1000;10 [mm]

****************************************************************
0.5*C*S*ro*v^2

C
0.33 [-]

S
2.5 [m2]

ro
1.3 [kg/m3]
* [kg/m3]		- zada uzivatel z klavesnice

v
1..35;0.2 [m/s]

****************************************************************
****************************************************************
****************************************************************

Parametric presentation

For using parametric presentation you have to switch to Parametric mode in Modes menu first. 

For 2D parametric curves you must have expressions for X_ and Y_ and one range variable.

****************************************************************
X_
(a+b)*cos(t)-c*cos(((a/b)+1)*t)

Y_
(a+b)*cos(t)-c*sin(((a/b)+1)*t)

a
5

b
3

c
5

t
-10..10;0.1



****************************************************************
****************************************************************
Lissajous 
X_
3*cos(5*t)

Y_
5*sin(7*t)

t
0..6.28;0.01