Discover our tutors in your city and overseas

8754 tutors available

Excellent (4.7)

1.9 million student reviews

The list of tutors

Jonathan

Bogotá, Colombia (face-to-face &online)

5 (1 review)
New

Student of chemical engineering of the national university gives classes of mathematics, physics and chemistry at home in bogotá

S$2/h
1^st lesson free

Alexandra

Barcelona, Spain (face-to-face &online)

Is it hard for you to memorize for exams? i can help you improve your performance.

S$15/h
1^st lesson free

Lucia

Castelló de la Plana, Spain (face-to-face &online)

Student of 5 ° of medicine gives private lessons until high school and career whenever it is of the health branch. the classes are at yours in castellón de la plana

S$13/h
1^st lesson free

Vincent

Arzier-Le Muids, Switzerland (face-to-face &online)

Maths and science with exercises and day to day applications for the the one who have difficulties

S$64/h
1^st lesson free

Lourdes

Sancti-Spíritus, Spain (face-to-face &online)

Private classes for students with learning disabilities in science subjects a

S$13/h
1^st lesson free

Rafael

Vinhedo, Brazil (face-to-face &online)

Graduated in chemical processes and offering private classes in chemistry, physics and english for elementary, high school and college students in vinhedo or on skype

S$12/h
1^st lesson free

Larissa

Rio de Janeiro, Brazil (face-to-face &online)

Technique in food chemistry by ifrj and graduated in pharmacy from ufrj, i teach chemistry classes for all audiences.

S$12/h
1^st lesson free

Oliver

Borstel, Germany (face-to-face &online)

Understanding sciences and passing exams. tutoring, exam preparation, presentation preparation by certified biologist in bonn. biology, math, physics, but also german, english,

S$18/h
1^st lesson free

Carmen

Cádiz, Spain (face-to-face &online)

Student of naval engineering teaches mathematics, physics, english and french to primary and high school students in malaga

S$15/h
1^st lesson free

Malick

Limoges, France (face-to-face &online)

Hello student in double license3 cell biology and physiology at the faculty of science and technology of limoges i give courses in math, physics, and svt from the 6th to the end.

S$22/h
1^st lesson free

Eng medeiros

São Paulo, Brazil (face-to-face &online)

**** exact professor [call: residency / local] são paulo / morumbi

S$117/h
1^st lesson free

Marina

Madrid, Spain (face-to-face &online)

Mathematical, physical and chemical classes, english, technical drawing for primary, eso and baccalaureate

S$19/h
1^st lesson free

Robin

Strasbourg, France (face-to-face &online)

Student in engineering school gives private lessons preparation bac (maths, physics-chemistry), also from high school to high school in strasbourg

S$22/h
1^st lesson free

Martín david

Sevilla, Spain (face-to-face &online)

Chemistry student offers to teach physicx, maths & chemistry at eso, bachillerato & pau

S$10/h
1^st lesson free

Albéric

Paris, France (face-to-face &online)

Engineering student gives french classes for every ages in paris or near paris

S$30/h
1^st lesson free

Mathis

Toulouse, France (online)

Student in engineering school gives a particular course of maths and physics from college to high school in toulouse

S$30/h
1^st lesson free

Aitor

Barcelona, Spain (face-to-face &online)

Graduated in biotechnology offers private or group tutoring in barcelona. together we can do everything!

S$15/h
1^st lesson free

Thibaud

Brest, France (face-to-face &online)

Student in engineering school gives math courses physics engineering sciences in clisson

S$22/h
1^st lesson free

Adeline

Béthune, France (face-to-face &online)

Polyvalent teacher in physics and chemistry, who can give courses up to a higher level depending on the specificity in béthune and around to arras

S$30/h
1^st lesson free

Mickaël

Aix-en-Provence, France (face-to-face &online)

Mathematics courses and physics and chemistry mathematics courses for all level physics chemistry homework help methodology

S$37/h
1^st lesson free

Anna

Terrassa, Spain (face-to-face &online)

Student of second of high school gives classes of all the elementary and middle school subjects

S$18/h
1^st lesson free

Alba

Málaga, Spain (face-to-face &online)

Medical student, who has experience, teaches mathematics, physics and chemistry in malaga

S$15/h
1^st lesson free

Aisha

Ramonville-Saint-Agne, France (face-to-face &online)

Student engineer in 2nd year of school offers courses of maths, physics and chemistry for students up to terminale s - i am a student experienced in the field of e

S$30/h
1^st lesson free

Léia

Vélizy-Villacoublay, France (face-to-face &online)

Student in engineering school gives math lessons in / around vélizy and meudon

S$30/h
1^st lesson free

Gonzalo

Madrid, Spain (face-to-face &online)

Mathematics support classes up to eso in madrid taught by a engineer

S$18/h
1^st lesson free

Ángela

Leganés, Spain (face-to-face &online)

I am a teacher of mathematics (although i can also teach english, physics and english) at primary and secondary level.

S$15/h
1^st lesson free

Erik guillermo

Ciudad de México, Mexico (face-to-face &online)

5 (1 review)
New

Engineer of the ipn and now student of mathematics teaching i give advice and group classes of mathematics in mexico city, with my dynamic, practical - repetitive method taught ae

S$6/h
1^st lesson free

Celia

València, Spain (face-to-face &online)

University student gives classes in natural sciences, physics and chemistry, chemistry and biology for elementary students, eso and baccalaureate

S$16/h
1^st lesson free

Xavier

Barcelona, Spain (face-to-face &online)

Engineering student offers classes about mathematics, physics, chemistry and more in barcelona

S$19/h
1^st lesson free

Damien

Liège, Wallonia (face-to-face &online)

Graduate civil engineer gives math-science courses arround liege up to secondary level

S$27/h
1^st lesson free

Cristina

Sant Boi de Llobregat, Spain (face-to-face &online)

5 (1 review)
New

Psychology student gives private lessons of different subjects from primary to selectivity.

S$18/h
1^st lesson free

Eric

Rio de Janeiro, Brazil (face-to-face &online)

Particular teacher of math classes, physics and chemistry, graduated in industrial engineering in spain

S$7/h
1^st lesson free

Joana

Barcelona, Spain (face-to-face &online)

5 (1 review)
New

Human biology student teaches any subject (no matter if scientific or linguistic) in barcelona

S$18/h
1^st lesson free

Helena

Aldea Nova, Spain (face-to-face &online)

Engineering student english level c2 teaches physics, chemistry, math, technology (and more) in the area of santiago de compostela.

S$16/h
1^st lesson free

Dariel

León, Mexico (online)

Advisories math and some physics and chemistry, leon, guanajuato, what do you need?

S$4/h
1^st lesson free

Antonio

Madrid, Spain (face-to-face &online)

I support students for primary, secondary and high schools in madrid. current student of industrial engineering

S$18/h
1^st lesson free

Russlan esaú

San Francisco Coacalco, Mexico (face-to-face &online)

Engineering student teaches mathematics, physics and chemistry from basic to advanced in coacalco, state of mexico

S$6/h
1^st lesson free

Alessandra

Gallarate, Italy (face-to-face &online)

University student offers private lessons in mathematics, physics and chemistry in gallarate and in varese's province

S$22/h
1^st lesson free

Adrian

Andújar, Spain (face-to-face &online)

Student with technological baccalaureate title and pau, matematicas productive classes in jaen area

S$10/h
1^st lesson free

Carolina

Rio de Janeiro, Brazil (face-to-face &online)

Uerj physics student of physics and mathematics classes in rio de janeiro

S$15/h
1^st lesson free

Leonardo

Guaimbê, Brazil (face-to-face &online)

Engineering student gives math classes and physics to elementary and high school in são paulo

S$11/h
1^st lesson free

Estefanía

Albacete, Spain (face-to-face &online)

6€ private lessons are taught primary to high school (science and letters)

S$9/h
1^st lesson free

Amira

Plochingen, Germany (face-to-face &online)

Chemical engineer are maths, physics and chemistry in space esslingen for primary school, lower level, intermediate level, upper stuffe.

S$25/h
1^st lesson free

Mohamed tahar

Orly, France (face-to-face &online)

5 (1 review)
New

Serious for given courses and homework help for children of primary

S$30/h
1^st lesson free

Javier

Alcobendas, Spain (face-to-face &online)

Extraordinary prize in chemistry teaches science and languages in alcobendas and surroundings.

S$22/h
1^st lesson free

João pedro

Sion (Belo Horizonte), Brazil (online)

Student medical ufmg - mathematics and physics classes for elementary and high school

S$10/h
1^st lesson free

Cristian

València, Spain (face-to-face &online)

Marketing engineering student and teaches physics and mathematics in the city of valencia

S$15/h
1^st lesson free

Gustavo

Centro (Lages), Brazil (online)

Professor of biochemistry, pharmacology and physiology for higher education and high school students.

S$29/h
1^st lesson free

Andrea

Torino, Italy (face-to-face &online)

Tuition mathematics, chemistry, physics, biology

S$22/h
1^st lesson free

Thiago

Niterói, Brazil (face-to-face &online)

Civil engineer by ufrj gives math, physics and chemistry in niterói and rio de janeiro

S$15/h
1^st lesson free

Clara

Granada, Spain (face-to-face &online)

Medical student tutoring is offered for health sciences; eso both as degree or degree in medicine or nursing.

S$18/h
1^st lesson free

Marcos

Contagem, Brazil (face-to-face &online)

Chemistry, physics, mathematics and industrial design. prof. mark chemical studant of puc-mg

S$15/h
1^st lesson free

Héloïse

Vandœuvre-lès-Nancy, France (face-to-face &online)

High prepa (lycée parc in lyon) and soon student in engineering school, gives science tutoring on orange and surroundings in summer

S$30/h
1^st lesson free

Matthias

Saint-Étienne, France (face-to-face &online)

Student at the school of mines - tuition from the 6th to the end

S$22/h
1^st lesson free

Rocío

Narón, Spain (online)

Class maths, biology, science, physics and chemistry (for students of eso and primary)

S$19/h
1^st lesson free

Johanna

Santa Lucía de Tirajana, Spain (face-to-face &online)

A graduate in chemistry teaches private lessons in gran canaria at any level

S$13/h
1^st lesson free

José luis

Granada, Spain (face-to-face &online)

Biochemistry student teaches english, chemistry, biology and mathematics all levels in granada

S$13/h
1^st lesson free

Claire

Lille, France (face-to-face &online)

available to give lectures to paces, students and college / high school science.

S$27/h
1^st lesson free

Igor v

Jaguariúna, Brazil (online)

Great math and science teacher using skype, graduated in university of são carlos

S$10/h
1^st lesson free

Florence

Strasbourg, France (face-to-face &online)

I teach mathematics and physical applied to the level l1 see as materials

S$13/h
1^st lesson free

Montserrat

Barcelona, Spain (face-to-face &online)

Well qualified engineer offers classes in all scientific fields and english to diffent kinds of students

S$18/h
1^st lesson free

Laura

Cardet, France (face-to-face &online)

Former student of mathematics license, provides tutoring in math, chemistry, and english svt

S$22/h
1^st lesson free

Meriam

Toulouse, France (face-to-face &online)

Especially during contest prep: biology and chemistry esa / benv / csls / esa / paces / face-in / remote

S$22/h
1^st lesson free

Sabine

Paris 14e, France (face-to-face &online)

Engineer offering private tutoring maths/physics for all levels.

S$37/h
1^st lesson free

Michael

Marseille 8e , France (face-to-face &online)

Computer engineer gives lessons any level maths, english (bilingual), or support for youth

S$30/h
1^st lesson free

Guillaume

Soisy-sous-Montmorency, France (face-to-face &online)

Student in engineering school gives lessons in high school or college (mathematics, english, physics, chemistry)

S$22/h
1^st lesson free

Dmitry

Paris 1er, France (face-to-face &online)

I am an international student, i have finished my studies in physics and mathematics in russia, now i studied at polytechnic

S$37/h
1^st lesson free

Nidhal

Paris 14e, France (face-to-face &online)

Particular courses in maths and physics for all levels to bac+1

S$37/h
1^st lesson free

Laure

Paris 12e, France (face-to-face &online)

Serious student offers private lessons (english, homework help, tutoring, mathematics, physics and chemistry)

S$30/h
1^st lesson free

Badreddine

Longjumeau, France (face-to-face &online)

5 (1 review)
New

Teacher researcher at the university gives courses in math, physics, preparation for engineering school

S$30/h
1^st lesson free

Margarida

Lisboa, Portugal (face-to-face &online)

I finished high school in 2021 in science and technology. i was a student at the santa cecília music academy and i finished with an internal average of 182 and an entrance average of 187, having had 1

S$22/h
1^st lesson free

Emma

Burgos, Spain (face-to-face &online)

Chemistry student, i teach mathematics, chemistry and biology, i can also help with physics and english.

S$15/h
1^st lesson free

Victor

Grenoble, France (online)

Teaching basic and advanced mathematics, physics and computer science. graduated in electrical engineering and currently in double degree in artificial intelligence.

S$30/h
1^st lesson free

Sara

Burgos, Spain (face-to-face &online)

Graduated in chemistry with extensive experience, she teaches chemistry, physics, mathematics, and school support at all levels.

S$18/h
1^st lesson free

Sabine

Woluwe-Saint-Lambert, Wallonia (face-to-face &online)

Student in pharmaceutical sciences, i teach science in general with a relaxed methodology

S$27/h
1^st lesson free

Mónica

Cartagena, Spain (face-to-face &online)

Graduated in telecommunications, i teach classes in any subject of science and technology.

S$15/h
1^st lesson free

Adrian

Kecamatan Kembangan, Indonesia (face-to-face &online)

Chemical ? physics? come on, easy.

S$3/h
1^st lesson free

Martim

Lisboa, Portugal (face-to-face &online)

12th grade student in the science and technology area with an average of 18.7. i already have some practice with explanations in the area of physics and chemistry from the 7th to the 11th grade.

S$15/h
1^st lesson free

Bryan

Willemstad, Netherlands (face-to-face &online)

Experienced teacher of physics, mathematics and chemistry. teaches in curaçao, but online sessions are also possible.

S$30/h
1^st lesson free

Alba

Palma, Spain (face-to-face &online)

Graduated in biochemistry, specialized in nutrition and human reproduction. teacher's master's degree student. i offer revision classes in biology, physics and chemistry in marratxí, santa maría and s

S$15/h
1^st lesson free

Aleyna

, Türkiye (face-to-face &online)

I am a 3rd year student of architecture (english). i give private lessons in primary, secondary and high school in mathematics, english and science.

S$4/h
1^st lesson free

Alex

Rubí, Spain (face-to-face &online)

High school mathematics teacher (selectivity, eso) studying second year of chemical engineering

S$15/h
1^st lesson free

Catarina

Vila Nova de Gaia, Portugal (face-to-face &online)

Mechanical engineer with a postgraduate degree from harvard business school subjects: english; high school mathematics and physical chemistry; 1st and 2nd cycles, etc. faculty: materials, algebra, mat

S$30/h
1^st lesson free

Hugo

Valencia, Spain (online)

Solution of exams (partial), works and virtual classes of engineering, mathematics, chemistry and physics

S$12/h
1^st lesson free

Agustin

, Argentina (online)

Advanced student of aerospace engineering at the national university of la plata.

S$2/h
1^st lesson free

Camila

San Isidro, Argentina (face-to-face &online)

I have been a private teacher since 2014 and i teach mathematics, chemistry and physics to high school and cbc students

S$2/h
1^st lesson free

Senanur

Bursa, Türkiye (face-to-face &online)

I am an engineering student. i can teach mathematics and science (science, physics, chemistry, biology) from primary school to high school in bursa.

S$4/h
1^st lesson free

Marine

Lyon 2e, France (online)

Engineer in energy efficiency and 10 years of profession, i am someone fun and serious (it is possible!) and very pedagogue! i am passionate about teaching and only wish success!

S$37/h
1^st lesson free

Hamza

La Celle-sous-Gouzon, France (face-to-face &online)

2nd year engineering student at centralesupélec teaches maths, physics and chemistry at college, high school and preparatory level.

S$44/h
1^st lesson free

Juan

General Pacheco, Argentina (face-to-face &online)

Learn with someone you understand! chemical engineering student (itba). years of experience giving private and group classes, face-to-face and virtual. very cheap prices. nothing like ap

S$2/h
1^st lesson free

Vanessa

Bangu, Brazil (face-to-face &online)

5 (1 review)
New

Master in chemistry at ufrj teaches chemistry, physics and math for elementary school, high school and higher education in rio de janeiro

S$15/h
1^st lesson free

Coline

Ecublens, Switzerland (face-to-face &online)

Bachelor student at epfl gives math / physics / chemistry lessons around lausanne

S$39/h
1^st lesson free

Hajar

Rennes, France (face-to-face &online)

Holder of an engineering degree and currently a student in master 2, i teach courses in maths, physics, chemistry and english from primary to high school with a 3-year support experience.

S$22/h
1^st lesson free

Bassam

Douai, France (face-to-face &online)

M2 student at the ecole des mines nationale supérieur des mines de douai

S$30/h
1^st lesson free

François

Tournefeuille, France (face-to-face &online)

Scientific terminale student gives lessons for college students in toulouse or webcam

S$22/h
1^st lesson free

Alexis

Bures-sur-Yvette, France (face-to-face &online)

Student in molecular physico-chemistry offers courses in math, physics, chemistry, computer science and engineer sciences

S$30/h
1^st lesson free

Salvador

València, Spain (face-to-face &online)

Civil engineer teaches mathematics and physics for high school and undergraduates with more than 1 year of teaching experience.

S$22/h
1^st lesson free

Hüsnanur

, Türkiye (face-to-face &online)

Science, social sciences and english lessons from automotive engineer to middle and primary school students

S$4/h
1^st lesson free

Enrico

Venezia, Italy (face-to-face &online)

Radiologist technician with diploma in electronics proposes repetitions of scientific subjects in venice / mestre

S$22/h
1^st lesson free

Alex

Lyon 9e, France (face-to-face &online)

Former student in physiotherapy - private course in science (maths / physics - chemistry and svt)

S$22/h
1^st lesson free

Devi

Zoetermeer, Netherlands (online)

Phd student at the university of cambridge (uk) in chemical engineering. tutor math, chemistry and everything related.

S$43/h
1^st lesson free

Daniel

Majadahonda, Spain (face-to-face &online)

Engineering student teaches eso and bachillerato math, physics and english classes in majadahonda and madrid

S$15/h
1^st lesson free

Essential information about your chemical physics lessons
✅ Average price :	S$25/h
✅ Average response time :	5h
✅ Tutors available :	8754
✅ Lesson format :	Face-to-face or online

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What do you want to learn?

Discover our tutors in your city and overseas

8754 tutors available

The list of tutors

Student of chemical engineering of the national university gives classes of mathematics, physics and chemistry at home in bogotá

Is it hard for you to memorize for exams? i can help you improve your performance.

Student of 5 ° of medicine gives private lessons until high school and career whenever it is of the health branch. the classes are at yours in castellón de la plana

Maths and science with exercises and day to day applications for the the one who have difficulties

Private classes for students with learning disabilities in science subjects a

Graduated in chemical processes and offering private classes in chemistry, physics and english for elementary, high school and college students in vinhedo or on skype

Technique in food chemistry by ifrj and graduated in pharmacy from ufrj, i teach chemistry classes for all audiences.

Understanding sciences and passing exams. tutoring, exam preparation, presentation preparation by certified biologist in bonn. biology, math, physics, but also german, english,

Student of naval engineering teaches mathematics, physics, english and french to primary and high school students in malaga

Hello student in double license3 cell biology and physiology at the faculty of science and technology of limoges i give courses in math, physics, and svt from the 6th to the end.

**** exact professor [call: residency / local] são paulo / morumbi

Mathematical, physical and chemical classes, english, technical drawing for primary, eso and baccalaureate

Student in engineering school gives private lessons preparation bac (maths, physics-chemistry), also from high school to high school in strasbourg

Chemistry student offers to teach physicx, maths & chemistry at eso, bachillerato & pau

Engineering student gives french classes for every ages in paris or near paris

Student in engineering school gives a particular course of maths and physics from college to high school in toulouse

Graduated in biotechnology offers private or group tutoring in barcelona. together we can do everything!

Student in engineering school gives math courses physics engineering sciences in clisson

Polyvalent teacher in physics and chemistry, who can give courses up to a higher level depending on the specificity in béthune and around to arras

Mathematics courses and physics and chemistry mathematics courses for all level physics chemistry homework help methodology

Student of second of high school gives classes of all the elementary and middle school subjects

Medical student, who has experience, teaches mathematics, physics and chemistry in malaga

Student engineer in 2nd year of school offers courses of maths, physics and chemistry for students up to terminale s - i am a student experienced in the field of e

Student in engineering school gives math lessons in / around vélizy and meudon

Mathematics support classes up to eso in madrid taught by a engineer

I am a teacher of mathematics (although i can also teach english, physics and english) at primary and secondary level.

Engineer of the ipn and now student of mathematics teaching i give advice and group classes of mathematics in mexico city, with my dynamic, practical - repetitive method taught ae

University student gives classes in natural sciences, physics and chemistry, chemistry and biology for elementary students, eso and baccalaureate

Engineering student offers classes about mathematics, physics, chemistry and more in barcelona

Graduate civil engineer gives math-science courses arround liege up to secondary level

Psychology student gives private lessons of different subjects from primary to selectivity.

Particular teacher of math classes, physics and chemistry, graduated in industrial engineering in spain

Human biology student teaches any subject (no matter if scientific or linguistic) in barcelona

Engineering student english level c2 teaches physics, chemistry, math, technology (and more) in the area of ​​santiago de compostela.

Advisories math and some physics and chemistry, leon, guanajuato, what do you need?

I support students for primary, secondary and high schools in madrid. current student of industrial engineering

Engineering student teaches mathematics, physics and chemistry from basic to advanced in coacalco, state of mexico

University student offers private lessons in mathematics, physics and chemistry in gallarate and in varese's province

Student with technological baccalaureate title and pau, matematicas productive classes in jaen area

Uerj physics student of physics and mathematics classes in rio de janeiro

Engineering student gives math classes and physics to elementary and high school in são paulo

6€ private lessons are taught primary to high school (science and letters)

Chemical engineer are maths, physics and chemistry in space esslingen for primary school, lower level, intermediate level, upper stuffe.

Serious for given courses and homework help for children of primary

Extraordinary prize in chemistry teaches science and languages in alcobendas and surroundings.

Student medical ufmg - mathematics and physics classes for elementary and high school

Marketing engineering student and teaches physics and mathematics in the city of valencia

Professor of biochemistry, pharmacology and physiology for higher education and high school students.

Tuition mathematics, chemistry, physics, biology

Civil engineer by ufrj gives math, physics and chemistry in niterói and rio de janeiro

Medical student tutoring is offered for health sciences; eso both as degree or degree in medicine or nursing.

Chemistry, physics, mathematics and industrial design. prof. mark chemical studant of puc-mg

High prepa (lycée parc in lyon) and soon student in engineering school, gives science tutoring on orange and surroundings in summer

Student at the school of mines - tuition from the 6th to the end

Class maths, biology, science, physics and chemistry (for students of eso and primary)

A graduate in chemistry teaches private lessons in gran canaria at any level

Biochemistry student teaches english, chemistry, biology and mathematics all levels in granada

available to give lectures to paces, students and college / high school science.

Great math and science teacher using skype, graduated in university of são carlos

I teach mathematics and physical applied to the level l1 see as materials

Well qualified engineer offers classes in all scientific fields and english to diffent kinds of students

Former student of mathematics license, provides tutoring in math, chemistry, and english svt

Especially during contest prep: biology and chemistry esa / benv / csls / esa / paces / face-in / remote

Engineer offering private tutoring maths/physics for all levels.

Computer engineer gives lessons any level maths, english (bilingual), or support for youth

Student in engineering school gives lessons in high school or college (mathematics, english, physics, chemistry)

I am an international student, i have finished my studies in physics and mathematics in russia, now i studied at polytechnic

Particular courses in maths and physics for all levels to bac+1

Serious student offers private lessons (english, homework help, tutoring, mathematics, physics and chemistry)

Teacher researcher at the university gives courses in math, physics, preparation for engineering school

I finished high school in 2021 in science and technology. i was a student at the santa cecília music academy and i finished with an internal average of 182 and an entrance average of 187, having had 1

Chemistry student, i teach mathematics, chemistry and biology, i can also help with physics and english.

Teaching basic and advanced mathematics, physics and computer science. graduated in electrical engineering and currently in double degree in artificial intelligence.

Graduated in chemistry with extensive experience, she teaches chemistry, physics, mathematics, and school support at all levels.

Student in pharmaceutical sciences, i teach science in general with a relaxed methodology

Graduated in telecommunications, i teach classes in any subject of science and technology.

Chemical ? physics? come on, easy.

Engineering student english level c2 teaches physics, chemistry, math, technology (and more) in the area of santiago de compostela.