2
x**2+y**2-4;
x*y-1;

THE SOLUTIONS :
4 2
===========================================================
solution 1 :
t :  1.00000000000000E+00   0.00000000000000E+00
m : 1
the solution for t :
 x :  5.17638090205041E-01   0.00000000000000E+00
 y :  1.93185165257814E+00   5.22024357439882E-54
== err :  1.700E-16 = rco :  5.774E-01 = res :  2.498E-16 ==
solution 2 :
t :  1.00000000000000E+00   0.00000000000000E+00
m : 1
the solution for t :
 x : -1.93185165257814E+00   0.00000000000000E+00
 y : -5.17638090205042E-01   1.14794370197489E-41
== err :  2.355E-16 = rco :  5.774E-01 = res :  2.220E-16 ==
solution 3 :
t :  1.00000000000000E+00   0.00000000000000E+00
m : 1
the solution for t :
 x :  1.93185165257814E+00   0.00000000000000E+00
 y :  5.17638090205042E-01  -1.14794370197489E-41
== err :  2.355E-16 = rco :  5.774E-01 = res :  2.220E-16 ==
solution 4 :
t :  1.00000000000000E+00   0.00000000000000E+00
m : 1
the solution for t :
 x : -5.17638090205041E-01   0.00000000000000E+00
 y : -1.93185165257814E+00  -5.22024357439882E-54
== err :  1.700E-16 = rco :  5.774E-01 = res :  2.498E-16 ==