Unlock the Premium Engineering Suite
- ✅ Full access to Fresnel, JFET, and BJT charts.
- ✅ Loop calculator for fast iterations.
- ✅ High-resolution downloads (PNG).
- ✅ No ads.
- ✅ R$ 9.90 / month or R$ 79.90 / year.
Pix confirmations can take a few minutes on Mercado Pago.