End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
http://rahkar.farafile.ir/file/31966/شبیه-ساز-3-درس-ریاضی-رشته-تجربی-مطابق-کنکور-98