In scools they use speadsheets for regesters, who has brought in what, and who hasn't. They are also used for timetables and appointments. You can also use them for taking down levels and places in a contest.
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how are emeralds use in everyday life
Unless your "everyday life" involves work in some area of engineering, you won't use matrices in your everyday life.
Geometry is used in my everyday life because I see it everyday. Everything I see is practically geometry. There are posters on my classroom wall, there are desks and chairs, tables, and a big nice white board. I guess this is really how I used geometry in my everyday life.
You eat it......
it is used in a washing machine