O surpriza ascunsa in Google numai buna de Sf. Valentin

Tastati in Google formula de mai jos si o sa aveti o surpriza 😉

sqrt(cos(x))*cos(300x)+sqrt(abs(x))-0.7)*(4-x*x)^0.01, sqrt(6-x^2), -sqrt(6-x^2) from -4.5 to 4.5

Si daca mai vreti puteti incerca si “Do a barrel roll” sau “askew” 🙂

– via mashable