Q: What are the functions of BtoCAD 2009 compared with AutoCAD?
A: With DWG as default file format, BtoCAD is fully compatible with AutoCAD2.5-2009, and shares similar user interface and commands. It also acquires all of AutoCAD’s 2D functions and part of the 3D functions while is less than one tenth of AutoCAD’s price.

Q: Will I infringe AutoCAD’s copyright when using BtoCAD?
A: No. BtoCAD is a CAD software that its developer, YFCAD Software, reserves all rights for the copy license; it is by no means any AutoCAD pirate product. It has been recorded in National Copyright Administration of the People’s Republic of China and it does not infringe the copyright of AutoCAD.

Q: How about the strength and capacity of the BtoCAD developer? Any after-sales service?
A: YFCAD Software, developer of BtoCAD has been established for 15 years, its products cover manufacturing industry, design industry and home furniture industry. The company has participated in defining some industry standards. The company has completed after-sales service system and can response to customers?requests quickly, and all of these are free of charge.

Q: Does BtoCAD support secondary development? And what program language it support?
A: Yes. BtoCAD can support Lisp, ADS and VBA in secondary development while it can not support ARX currently but may support in the next version. Lisp program of AutoCAD can be applied directly; ADS code only needs to be reedited again while VBA code is fully supported theoretically but low practicability because of authorization problem.