1+1
a=5

a

a+1

a+b

a=b;

a

6d=47

6d
6*d

6 d
7 8

%

%%%%%%%%%

%

?%

%13

?=

?==

sin[5]
Sin[5]
Sin[5.]

Sin[5]
N[Sin[5]]

Sin[5]//N

5//Sin
5//Sin//N
(5//Sin)//N

vysl=Solve[(x^3)+c*(x^2)+14==d,x];

Ukazka hranatych zavorek

vysl[[1]]
vysl[[1]]/.c->5
vysl[[1]]/.{c->5,d->6}//N
(x/.(vysl[[1]]/.{c->5,d->6}//N))+1
(*takto lze psat komentare*)

I

?Plot

Plot[Sin[franta],{franta,-2,2},PlotLabel->"Sin[franta]",AxesLabel->{"franta","Sin[franta]"},PlotStyle->RGBColor[1,0.5,0]]

Plot[Sin[franta],{franta,-2,2},PlotLabel->"Sin[franta]",AxesLabel->{"franta","Sin[franta]"},PlotStyle->{Thickness[0.05],RGBColor[1,0,0],Dashing[0.1]}]

Plot[{Sin[t],Cos[t]},{t,-3,3},PlotStyle->{{Hue[0.1],Dashing[0.3]},{Hue[0.5],Thickness[0.02]}},AxesLabel->{"osa x","osa y"}]

{0,1,2,3}

Table[i,{i,1,10}]
Table[2i,{i,1,10}]
Table[i*opice,{i,1,10}]
Table[Sin[i]//N,{i,1,10}]
Sin[{2,3}]
{Sin[1],Sin[2]}//N