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George Pólya (December 13,1887-September7,1985)  was a  Hungarian mathematician , he was a professor of mathematics from 1914 to 1940 at  ETH Zürich and from 1940 to 1953  at Stanford University .he wrote three books, it is "Problems and theorems in analysis“ ,"How to solve it“ and "Mathematics and Plausible Reasoning". And too wrote a lot of Articles of math but the real reason because is famous for his method for to teach mathematics that it has four steps and called: 4 Steps to Problem Solving 1. UNDERSTANDING THE PROBLEM 2. DEVISING A PLAN 3. CARRYING OUT THE PLAN 4. LOOKING BACK The four steps to problem solving is the best method for me because I have to think that do and understand the problem too. It's effective to this day inclusive me and my classmates used Pólya's method in Calculus introduction and someone too use in physics. I think that have the only student like Pólya's method because all my classmates hate it because is ...

Hi ,everyone  Today I will talk about my favorite book and film. the true is that I don't like read because the books was for the high school and the theme of this was tedious for me, usually I don't read all book and feel repentant because I never finished the book Cien años de soledad by Gabriel Garcia Marquez. My favorite book is the strange case of dr Jekyll and Mr. Hyde by Robert Louis Stevenson that I had the pleasure of reading it twice the first one in spanish and the other in english in the high school. it's about dr Jekyll created a potion that separated his dual personalities(good and bad) in Henry Jekyll and Mr. Hyde in the same body but one at the time for this I like it. My favorite film is Hercules: zero to hero. this is a disney film. I like the love story between hercules and  meg that and the music is amazing and I did a homework of this movie, I don't remember the first time that I saw the movie but yesterday listen the soundtrack that is...

Hi , this photograph was taken by my cousin javiera in Chiloe National Park during our holiday. the park is very large and  so beautiful,  you  can find dunes , Valdivian temperate rain forest,   swamps, and peat bog. And too had a café . the road to the Park was extreme, it had many hills with steep slopes, I think that I was in a roller coaster In the photograph you can see me in a outlook place in somewhere path of the park. It was taken the last summer in February.  I like this photograph because the place is so beautiful and quiet, I could be there a whole year looking at the horizon.  it was my first holiday without my family and my first trip by plane, too I had the best partner my cousin javiera. This photo represents the wonderful thing was that trip. I hope you like it.

I like many kinds of music.  Depending of the day if I feel sad I listen to ballad like the scientist by Coldplay or I feel happy I listen to song pop like shape of you by Ed sheeran and when I want remember my childhood listen power rangers theme go go power for example When I was 14, I played guitar and Electronic keyboard at the moment I do not play anything sadly. I like the piano, violin and the cello I hope someday play those instruments. I like singers that Bruno mars, selena gomez, ed sheeran,  coldplay , luis fonsi  and Schuster When I was 11, I used listen to reggaeton but today only listen in a party or a song in particular. I don’t like metal. The film music I remember is of high school musical and the jungle book.

My favorite piece of technology is the laptop my first laptop was a gift when I am 13 years old . I like the laptop because use for surf of internet, chat with friends, play videogames, search information and obviously study, also is comfortable that a computer because I can move the laptop on all sides of the house or anywhere.   I used the laptop four or five days to week before begin the class in March and today I use two or three days to week because I am busy with the university and I need to check something fast I use my smart phone. My life without it won’t be terrible because the functions that it do today I can use other piece of technology for this like a smartphone or a tablet .

why did you choose your career? Hi. All high school I  want to study  medical technology but a day in biology class  I discover  that  want to work in a laboratory and then I begin to  search  a career  that  I can do it   I have a lot of career  for example biochemistry and  molecular biotechnology . The last career was that I want to but when I see my PSU score I knew that the score was insufficient for molecular biotechnology this moment I feel sad for this and I had to search again a career. I investigated biochemistry and Chemical and Pharmaceutical because my score for biochemistry was similar with the last score of previous year so it was possible that I couldn’t follow this career.  And this happened again I feel so sad and I register in Chemical and Pharmaceutical. Days later I could register in biochemistry because I was in waiting list and I was happy 

  Hi. I am cristobal espinoza . I studied in instituto nacional and at the present I study biochemistry I lernt German and lernt a little French in the school and I learn English I live with my mother and my grandmother and  never live with my dad. I have a dog named aron .  he is so beautiful , calm and his breed  is cocker . In my free time I play video games like LOL and clash royale , see series , walk with my dog  and  I try play the piano. in my last vacation I go to taby beach with my friends . it was amazing we go to the beach all days and play Frisbee and football that is all for today  thanks for read                                                                 this is my dog