a bit of talk & notice

so yeah, now i'm back in dormitory and just got to write it 6 days after that happened. actually i want to be able to type more in this post, so yeah. and "dream 04." should follow real soon after this. i'm getting lazy these days...

rant about rates and fees.

uh, i didn't get all the infos i need for constructing the numerical part of this thematic mathematical rant. so i just put in examples, and before that i calculate algebraically.

here goes!

rant about handwash soap

all right now i feel like i want to make some little calculation after seeing a handwash soap advertisement. they say that washing your hands with that soap eradicates 99.99% of the bacterium that exist there, so let's calculate a bit.