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y:=x->x^2;
y(2);
f:=(x,y)->x^3-3*x*y^2;
s:=x-> if x<1 then -1 elif x=1 then 0 else 1 fi;
s:=x->piecewise(x<1,-1,x=1,0,x>1,1);
vzorec:=(b^2*x^2*sin(b*x)-2*sin(b*x)+2*b*x*cos(b*x)*a*t)/b^3:
F:=unapply(vzorec, x, t);
map(x->x^2, a+b+c);
eqn:=(x-1)*(x^2+x+1);
sol:=solve(eqn, x);
eval(eqn, x=sol[1]);expand(eval(eqn, x=sol[2]));
solve({x+2*y=3, y+1/x=1}, {x,y});
solve(x^3+4*x^2+2*x-1>0, {x});
r:=x^7-2*x^6-4*x^5-x^3+x^2+6*x+4;
fsolve(r);
fsolve(r, x,complex):
fsolve(r,x,0..2);
1.167303978
fsolve(sin(x), x=3);
3.141592654
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