📺 Operation Video Manual [Blackboard Function] June 24, 2020 05:34 Updated Video Manual for Making a Blackboard (PC) Create Rectangular Blackboard(PC) Edit information on the blackboard (smartphone/tablet) Using the regular blackboard and history (smartphone/tablet) Related articles Blackboard function Edit Blackboard (PC) 📺Instructional Video Manual [Drawing Function] Create a blackboard(PC) About the task function
