گام به گام دوازدهم تجربی

✤ Step-by-step book of all the twelfth grade courses of the field of experimental sciences with answers with the new edition of 1400-1401, completely free of charge and without the need for internet ✤List of courses:1-Mathematics2. Physics3- Chemistry4- Biology5. Social identity6-Persian7. Writing8. English language9-English workbook10-Arabic, the language of the Quran11-Religion and life12-Health and hygieneSome features of the app:✔Ability to activate female sheet mode or burst✔Ability to automatically save the last page read✔Ability to zoom in on pagesکانAbility to activate night mode✔Ability to change background color✔ Can be installed on all Android 4 and above phonesبسیار Very simple and smooth user interface