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Firefox, Chrome. Users with html-5 enabled browsers will have a significantly better user experience.
implemented:
add a bill, pay a bill, pay all bills, view all bills, sign in, calendar
not implemented:
bill Shallow Implementation: bill operations with multiple interacting users (not necessary for the demo), pie chart, timeline feature, sign-up for new users, add a bill (doesn't check validity), pie-chart shows static image, Total amount due on front page is static