Below, you will find current and archived manuals for On-Screen Takeoff. Current: On-Screen Takeoff Version 3.8 User Guide (PDF) View Download   Archived: On-Screen Takeoff Version 3.7 User Guide (PDF) View Download   On-Screen Takeoff Version 3.6 User Guide (PDF) View Download   On-Screen Takeoff Version 3.6.1 User Guide (PDF) View Download   On-Screen Takeoff Version 3.5 User Guide (PDF) View Download   On-Screen Takeoff Version 3.5 API / Timberline User Guide (PDF) View Download   On-Screen Takeoff Version 3.4 User Guide (PDF) View Download