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Product Requirements:

The device must fit in a standard school bag and shouldn’t occupy much space in the bag.(Space, Portability)

Should be seamlessly integrated in the bag (Space, Portability)

The system must work independently of the presence of the smartphone. (Usability, Efficiency, Performance)

The system must store and thus remember user settings even after it is switched off. The system must not lose analyzed or raw data, if the power is lost or the system is cycled. (Efficiency, Reliability)

The system must always prioritize user preferences over inferred preferences, regardless of historical data. (Efficiency, Reliability)

The system must be designed to work with one specific user (Ethical, Interoperability)

The system must respect the user's preferences and the user's will anytime. (Ethical, Interoperability)

The system must only suggest or help the user, it must not decide for the user in any case. (Ethical)

Organisational Requirements:

Default Language is English. (Standards)

The system must have a module structure to allow future implementation.(Implementation)

When the smartphone can't be used, the notifications come from the bag with limited functions.(Delivery)

Without any internet connection the system's functionality will be limited to those working with information acquired with the last update. It will notify the user of the absence of internet connection.(Delivery)

General:

The entire system interface must be integrated in a smartphone application. (Usability)

The system interface, without notification functionalities, must be integrated in a web server application accessible to any device with internet connection. (Usability)

NON fUNCTIONAL REQUIREMENTS