: :
x == y - ;! x - (not);
x!= y - ; y$$x - (and);
x > y - ; x | | y - (or);
x > = y - ; Xor[p, g,...] -
x < y - ; (exclusive or).
x < = y - .
) 351859, -101;
) 1/3, 2/5;
) -0,832;
d) 0.5 + I 0.1.
. , (, , , ..). :
<>=<>,
<> - , ; <> - , .
Mthematica i - In[i], i - Out[i]. . Out[i ].
, , Shift Enter.
:
In[1]:= X = Z + 5*Sin [Z] <Shift/ Enter>
Out[1]:= X = Z + 5*Sin[Z]
In[2]:= X+Z <Shift/ Enter>
Out[2]:= 2 Z + 5*Sin[Z]
In[3]:= % + 5 <Shift/ Enter> % 5 ,
Out[3]:= 5 + 2 Z + 5*Sin[Z ] %
% Out[2]
In[4]:= 5 + Out[2] <Shift/ Enter> % 5 ,
Out[4]:= 5 + 2 Z + 5*Sin[Z ] % Out[2]
, , . :
N[ < . >, < >].
: :
In [1] = 1/3 + 2/7 In [2] = 1/3 + 2/7 //N
Out [2] = 13/21 Out [2] = 0,619048
15
In [3]:= N[1/3 + 2/7, 15]
Out[3]:= 0,619047619047619
Pi 30
In[4]:= N[Pi, 30]
Out[4]:= 3.14159265358979323846264338327
Sqrt [x] - ;
|
|
Exp [x] - ;
Log [x] - ;
Log [b,x] - X b;
Sin[x], Cos[ x], Tan[x], Cot[x] - ;
ArcSin[x], ArcCos[x], ArcTan[x], ArcCot[x] - .
:
In [1]:= x = Sin[90* Degree] + Exp[2] * Log[5] //N
Out[1]= x = 12,8922
In[2]:= y = Sin [x] + Exp[2] * Log [x]
Out[2 ]= y = Sin[x] + Exp [2] * Log [x]