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Why learning with Classgap?

Satisfaction guaranteed

If you're not completely satisfied after your first class, we'll refund your purchase. more info

If you didn't do the lesson, it's cancelled or you are not completely satisfied within 24 hours passed your first lesson, we'll help you find a new tutor or refund your purchase.

Change the date at any moment

You will be able to reschedule the class if you can't attend

Pay once you've received the lesson

The class will be charged for once the class has finished more info

You will need to enter your payment details in advance. In the case of individual class bookings the amount will be charged for at the time of the class, but if you purchase a pack of classes, the payment must be made upfront.


He's from Spain



over 10 years of experience teaching online classes

  • Physics
    Basic Physics Middle sc., High sc. / Sixth form, University
  • Electronics Beginner, Intermediate, Advanced
  • Maths
    Basic Math Middle sc., High sc. / Sixth form, University


SpanishFull proficiency

CatalanFull proficiency


Degree Ingeniero De Telecomunicaciones


The tutor wrote the presentation in another language Translate it online

Soy profesor con más de 20 años de experiencia en clases de repaso tanto particulares como en grupos.

Las asignaturas de las que doy clases son principalmente son matemáticas y física, tanto en nivel de bachillerato o selectividad, como nivel universitario para carreras de ingeniería. En el caso de estudios universitarios también imparto clases de asignaturas relacionadas con el área de la Electrónica y las Telecomunicaciones.

Book an online lesson (The calendar displayed shows your local time)

Carlos accepts bookings with at least 24 hours in advance.

hours Monday


Julian Garcia Sanchez
The description has also been written in other languages, click here to read them all

Frequently Asked Questions

• 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".

• How does a lesson at Classgap happen?

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.

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