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David A.

David A. | Tutor in Algebra, Calculus, Pre-Calculus | 2330450

What do you want to work on?


About David A.

Subjects

Algebra, Calculus, Pre-Calculus

Education

Bachelors in Engineering, General from Universidad Nacional de Colombia

Career Experience

When I first started studying biological engineering, I discovered how truly passionate I feel about calculus and math in general. I always excelled in my classes, but sadly as I graduted, I realized that biological engineering was not the major I wanted to make my life about. I've never been afraid of starting over, so I decided to go back to university and, by the next semester, I will be starting to pursue a degree in computer science.

I Love Tutoring Because

tutoring has taught me a lot of new approaches and techniques to solve problems I wasn't aware of. I love tutoring because there's no better feeling than knowing the positive impact you are creating in students who are seeking for help, and they genuinely appreciate it. Tutoring has also helped me improve and keep up to date with all the necessary knowledge for my future courses!

Other Interests

Archery, Book collecting, Computer programming, Creative writing, Digital arts, Paintball, Swimming, Traveling, Urban exploration, Video Gaming, Volleyball, Weightlifting, Writing


Reviews    (6,739)


Sarah

Math - Pre-Calculus

Sep 26, 2025
David was great so helpful

Phillip

Math - Algebra

Sep 21, 2025
The tutor I have was very helpful and nice and when I made a mistake he tells me to check and some tips that help me and I will be using the tips on how to solve problems in the future.

Nikki

Technology - Computer Science - Python

Sep 14, 2025
This tutor did a great job of providing examples and giving me explanations when I really needed them, instead of asking questions about questions about questions! Very helpful.

Tobia

Technology - Computer Science - Python

Sep 14, 2025
Lost connection.

Kass

Math - Calculus

Sep 10, 2025
not enough time for the problem i had

Kass

Math - Calculus

Sep 10, 2025
wonderful tutor

Christopher

Math - Calculus

Sep 10, 2025
David was very kind and provided resources for my specific question. While the subject matter was out of scope for their expertise, they recommended I engage with a Statistics tutor. While David was unable to help with my particular problem, I am sure they are very knowledgeable.

Divija

Math - Algebra

Sep 8, 2025
This session was very helpful and the tutor was very nice too.

Raymond

Technology - Computer Science - Python

Aug 30, 2025
i am very glad for this option, the problem i had with Jupyter labs , the tutor was not familiar with the Jupyter format and unable to assist me , but it is a good feature

Addison

Math - Pre-Calculus

Aug 26, 2025
na

Noe

Math - Algebra

Aug 20, 2025
Very good at explaining instructions, would recommend again

Bryan

Technology - Computer Science - Python

Aug 3, 2025
Trying to get support for IT423 and no options are available.

Richard

Technology - Computer Science - Python

Jul 26, 2025
Great help from the tutor. Quick and fast.

Katie

Technology - Computer Science - Python

Jul 3, 2025
They have saved me from being stuck on issues that no matter what I tried, I could not figure out.

Tiare

Technology - Computer Science - Python

Jul 3, 2025
David was awesome.

Amanda

Technology - Computer Science - Python

Jun 28, 2025
There is no help available for ArcGIS Pro, I am lost and confused and have had nothing but troubles.

Rayhan

Math - Pre-Calculus

Jun 27, 2025
Tutor was really knowledgeable and made me to think and apply the concepts I learnt

Dale

Technology - Computer Science - Python

Jun 27, 2025
David is a great tutor!

Courtney

Technology - Computer Science - Python

Jun 26, 2025
code errors

Rachael

Technology - Computer Science - Python

Jun 25, 2025
Mr.David was able to help me find the small spelling mistake I had in one line.

Cordaro

Technology - Computer Science - Python

Jun 23, 2025
They are very patient and help out every time and they make sure I am understanding each step of code

Hovsep

Math - Algebra

Jun 3, 2025
I really liked this form of tutoring, I just wish the responses would be a little faster. I'm not sure if it's the tutor's typing or the connection but overall was a great experience.

Elle

Math - Pre-Calculus

May 15, 2025
Truly wanted to help me understand the concept more than the question. very helpful

Joseph

Math - Calculus

May 11, 2025
very good tutor!

Tess

Math - Differential Equations

Apr 26, 2025
David is an amazing help as always!! He is extremely patient and explains concepts in a clear and concise manner.

Liliana

Math - Pre-Calculus

Apr 25, 2025
David was so kind and helpful, thank you!

Dale

Math - Differential Equations

Apr 22, 2025
David is quick witted and patient. He caught many of my errors and was patient in explaining everything.

Mohammad

Math - Algebra

Apr 22, 2025
I needed help but I think the shifts were over

Rachel

Math - Algebra

Apr 15, 2025
I love the help I get!

Dale

Math - Differential Equations

Apr 13, 2025
Great tutor helped me catch my mistakes and correct them, so I didn't have to do the whole problem over again.

Katelynn

Math - Algebra

Apr 7, 2025
I want this tutor again. He was awesome.

Tess

Math - Differential Equations

Apr 6, 2025
David was extremely patient and kind. He helped me through a problem that I had a significant amount of difficulty with while explaining the steps we took so that I understood.

Roberta

Math - Algebra

Apr 5, 2025
this tutor explained things very well and when I asked question was informative . it made the experience good and I was able to finish my homework because I understood how to do the graphs!! thank you

Lucas

Math - Pre-Calculus

Apr 3, 2025
It wasn't anything the site or the tutor failed to do, but seems my issues may have been more software related than material related. Overall it was a good experience though.

Dale

Math - Differential Equations

Apr 1, 2025
David A for the win again. He caught every miscalculation I made and guided me to the correct solution.

Dale

Math - Differential Equations

Mar 23, 2025
Great tutor helped me realize how to view the problem.

Gabriela

Math - Calculus

Mar 22, 2025
Excellent tutor! Very quickly helped me figure out one of my biggest struggles. Thank you!

Dale

Math - Differential Equations

Mar 16, 2025
David A did a great job letting me know that the solution produced by matlab was wrong. Now I know to just wait for and e-mail reply from my professor and continue with my Pierson e-textproblem set for this module.

Dale

Math - Differential Equations

Mar 15, 2025
David A is a great tutor. We caught my errors and guided me on the right path.

Dale

Math - Differential Equations

Mar 9, 2025
Great tutor, helped me understand how to see teh problem, which lead to the correct answer.

Lexie

Math - Pre-Calculus

Mar 3, 2025
great tutor really helped

Joshua

Math - Algebra

Feb 24, 2025
ok

Jazmine

Math - Differential Equations

Feb 23, 2025
we need more poeple that can help on the programming from for matlab as this class mainly uses this

Tyler

Math - Differential Equations

Feb 22, 2025
I cant say enough good things about David. He really helped me through a frustrating misunderstanding of the material and gave me the confidence to try these problems on my own. Thank you David!

Reese

Math - Calculus

Feb 16, 2025
This tutor is amazing! Very knowledgeable, kind, and patient.

Learner

Math - Differential Equations

Feb 11, 2025
very thorough and helpful thank you!

Tyler

Math - Differential Equations

Feb 6, 2025
Love this guy! David was awesome as usual and really got me thinking about the problem and how we handle finding the solution. made the instructions in the course seem easier to understand and helped me through the problem step by step when i was struggling. Thank you David!

Tyler

Math - Differential Equations

Feb 6, 2025
I cant say enough good things about David. He is the reason I am returning to this service. He makes the topics introduced poorly in my course digestible and easy to understand. Thank you David!

Learner

Math - Differential Equations

Feb 5, 2025
I really appreciate your patience and your willingness to explore all of these concepts to be sure that I understand. You were of wonderful assistance!

Oriana

Math - Pre-Calculus

Feb 2, 2025
This tutor was extremely helpful, very kind, very encouraging, and was quick to help as well.

Tyler

Math - Differential Equations

Feb 1, 2025
David is an awesome tutor and has really helped solidify what im learning in my course. He has done an amazing job describing how things work and helping me through the problems im having conceptually. 10/10 stars. i will continue to return because David has been so helpful.

Alex

Math - Differential Equations

Jan 30, 2025
Wonderful :D

Tyler

Math - Differential Equations

Jan 29, 2025
Cant say enough good things about David. amazing tutor that really seems to care. Thank you David!

Teodoso

Math - Calculus

Jan 27, 2025
great job

Tyler

Math - Differential Equations

Jan 24, 2025
I want to give David a special thank you for going over his 1 hour time limit on this problem to help me finish up! Thank you David, you were extremely helpful as usual!

Tyler

Math - Differential Equations

Jan 24, 2025
David, once again, has made the course material easily understood and digested. helping me through the problem without doing it for me but supporting me in such a way that i can find answers for myself and understand how. Thank you David! ill pass this class because of your help!

Iris

Math - Algebra

Jan 24, 2025
This was the best service, and I am so happy that it builds such a better understanding!

Tyler

Math - Differential Equations

Jan 12, 2025
I believe myself to be a relatively harsh critic when it comes to tutors on this site. That being said, I could not possibly have higher praise For David and his ability to thoughtfully but quickly and effectively help me through the problems I had today. His willingness to stick with me and guide me through difficulties in the course material and allow me the time and space I needed to form my own thoughts is exemplary and should be studied by most of the rest of your tutors who have a tendency to shy away from 'giving out answers' so much so that they hinder students interested in reverse engineering answers to understand the process. Thank you David, for understanding that im not here to just get the answers and run, and teaching me more in 2 hours than ive been able to learn from my textbook in 2 weeks. 10/10 stars. I will be returning to this service and it is because of tutors like David.

Anissa

Math - Pre-Calculus

Jan 10, 2025
David was a great tutor and let me problem solve while also giving me pointers. This allowed me to find the answer on my own and to actually understand the content. :)
View All

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