To write the Greek Capital Letter Eta With Psili And Varia And Prosgegrammeni symbol ᾚ on keyboard using ALT codes; ALT+8090, just hold down the ALT key while typing the alt key c♒ode 8090. You have to use the nu🉐meric keypad of your keyboard. If you don not have numeric keypad, hold down the Fn and ALT keys while typing the alt code number.