#REPETITIONS, CONDITIONALS, EXPANSIONS AND INTEGRATIONS
x:=2:
y:=2*'x';
y;
d1:=expand((a+b)^2);
factor(");
x:='x':d2:=diff(cos(x)*sin(x),x);
d3:=diff((a+b)^2,b,b);
d4:=diff((a+b)^2,b$2);
d5:=diff(d1^2,a$3);
d6:=exp(I*z);d7:=subs(z=(a+b)^2,d6);
g:=d7;
g;
g:='g';
g;
M:=proc(L,X)
L*X*sin(X);
end;
M(T,k+F);
d20:=evalf(M(1,2));
Digits:=3;
d21:=evalf(M(1,2));
Digits:=6;
evalf(M(1,2));
x:='x':d22:=sum(a[i]*x^i,i=1..4);
y:='y':d23:=sum(sum(b[i,j]*x^i*y^j,i=0..2),j=0..2);
d24:='sum(x^i,i=0..3)';
d24;
d25:='diff(x^3,x)';
d25;
j(n):=n*2+1;
d26:=sum(a[j(n)],n=0..2);
d27:=sin(2*z);
z:=Pi/3;
d27;
evalf(");
d28:=a*b*c-v*n+n^2;
op(1,d28);
op(2,d28);
coeff(d28,c,1);
coeff(d28,n,2);
d30:=E^(I*f);
evalc(Re(d30));
evalc(Im(d30));
evalc(conjugate(d30));
convert(a+b*I,polar);op(1,");
op(1,convert(d30,polar));
evalc(abs(d30));
for i from 2 by 2 to 10 do a[i]:=x^i od;
H:=proc(x)
if x<0 then 0 else 1 fi;
end;
H(-1);
H(-0.001);
H(0.001);
H(1);
limit(sin(x)/x,x=0);
limit(x*log(x),x=0,right);
limit(x*log(x),x=0,left);
taylor(sin(x),x=0,4);
asympt(cosh(x),x,2);
z:='z';
z/(z^2+1);
int(",z);
x:='x';
int(sin(x)^2*cos(x)^3,x);
'int(x/(b-x),x)';
";
int(",b);
int(H,x=-1..1);
evalf(");
int(H,x=0..1);
evalf(");
evalf(int(x^2,x=0..1));
x:='x':y:='y':z:='z':
int(int(int(x^3*y*z,x=0..1),y=-1..1),z=0..1);
'int(int(x^2*y,x=0..1),y=0..1)';
evalf(");