Notepad with calculator, emphasis on "custom design". We have customized notebook, notepad with calculator, and perfect interpretation of notepad, can meet the needs of consumers. Consider the functional office use, custom leather portoflio is with calculator, zipper protection, can be placed in the pen, electronic products, business CARDS, internal pages and so on. These are the things you need to carry with you when you are in an office or on a business trip. And with calculator notepad for your unified integration, these convenience, is no other notepad can not replace. PU Leather Portfolio with calculator, this book can be so convenient.