Hi
I have developed this kind of Business Applications in the past.
Please take a look at below 2 (two) demo, in that we have all requirements fulfilled. You can access this application through Tablets/Smartphones(iPad/iPhones) and obviously with any computer.
A Dentist Financial Projection System with Analytics( Graphs and Charts)
[login to view URL]
Username/Password: mi/mi
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A Order Management System, Maintains Purchase Orders, Items Inventory, Maintains Suppliers, Generate Purchase Orders in PDF format, Send Purchase Orders and many others.....
[login to view URL]
This is Order Management System, please look on Purchase Orders
Login for Purchase Order Manager with only Purchase Related Access, please look on Purchase Orders
Username/password : purchasemgr1/mi
Login for Order Management System Administration with all Access
Username/password : omadmin/mi
Looking forward to hear from you soon
Regards
MI