so i want a date/time class that does math on times so i don't have to. like this: # t_end, t_start are 'HHMM' if int(t_end[0]) > int(t_start[0]): duration = ((int(t ...

Mathematics skills learnt in real-world situations may not translate to the classroom and vice versa, according to a new study. A team surveyed children in India who work in markets, to see whether ...