Usama
Teaches: Maths, Physics
Hello! My name is Usama, and I am a mechanical engineer currently working in supply chain at one of the largest conglomerates in my country. I'm passi...
🏆 Over 10 years of experience teaching online classes
He's from Colombia
4 Reviews
Hello. I am Professor Justino Castro R. and I have more than 10 years of experience in teaching. I graduated in Chemical Engineering and understood the importance of assimilating the basic concepts of these three subjects for the mastery of many fields of knowledge and industry. The idea is that you acquire a lot of confidence, security and taste these subjects and that you master and fall in love with these subjects as are Mathematics, Physics and Chemistry in both Spanish and English! I hope y...
Hello. I am Professor Justino Castro R. and I have more than 10 years of experience in teaching. I graduated in Chemical Engineering and understood the importance of assimilating the basic concepts of these three subjects for the mastery of many fields of knowledge and industry. The idea is that you acquire a lot of confidence, security and taste these subjects and that you master and fall in love with these subjects as are Mathematics, Physics and Chemistry in both Spanish and English! I hope you decide to learn them completely and achieve any goal you set for yourself!
EnglishBilingual
SpanishNative
• Can I cancel a booking?
Yes, you can cancel booking up to 8 hours before the lesson starts, indicating the reason for the cancellation. We will study each case personally to carry out the refund.
• How do I pay for the lesson?
At the time you select a lesson or package of hours, you will make the payment through our virtual payment service. You have two options:
- Debit / Credit
- Paypal
Once the payment is settled, we'll send you an e-mail with the booking confirmation.
• Can I modify a booking?
Yes, something unexpected can always happen, so you can change the time or day of the lesson. You can do it from your personal area in "Scheduled lessons" through the option "Change date".
• Where are the lessons held?
The class is done through classgap’s virtual classroom. Classgap was developed specifically for educational purposes, including many useful features such as: digital whiteboard, online text editor, webcam, screen sharing and many more. View virtual classroom
Teaches: Maths, Physics
Hello! My name is Usama, and I am a mechanical engineer currently working in supply chain at one of the largest conglomerates in my country. I'm passi...