Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
전치계산기는 사용자 인터페이스와 밀접하게 연결되어 있습니다.jeonchigyesan-gi-neun sayongja inteopeiseuwa miljeobhage yeongyeoldoeeo issseubnida.The frontend processor is closely connected to the user interface.