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David A.
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
Reviews 
(1,672)
Mark
Math - Pre-Calculus
Jul 15, 2018
David was great. very encouraging. thank you for your help
rachel
Math - Pre-Calculus
Jul 15, 2018
great help!
Gregory
Math - Pre-Calculus
Jul 14, 2018
David is awesome and extremely supportive! Confirmed my work!
Robert
Math - Pre-Calculus
Jul 12, 2018
Great Service!
Luismel
Math - Pre-Calculus
Jul 9, 2018
Excellent Help!
Hazel
Math - Calculus
Jul 9, 2018
Wonderful tutor!
Haley
Math - Algebra
Jul 3, 2018
David was super friendly and helpful
rachel
Math - Pre-Calculus
Jul 2, 2018
amazing help
rachel
Math - Pre-Calculus
Jul 2, 2018
great help
Enmaily
Math - Calculus
Jul 2, 2018
Amazing!
rachel
Math - Pre-Calculus
Jul 1, 2018
great help!!
RANDY
Math - Pre-Calculus
Jul 1, 2018
Was great explaining everything and helped me out quite a bit on a topic i was a bit puzzled on.
Patricia
Math - Pre-Calculus
Jun 29, 2018
SO SO SO HELPFUL!!!!!!!
Luismel
Math - Pre-Calculus
Jun 27, 2018
Excellent tutor!
Luismel
Math - Pre-Calculus
Jun 26, 2018
An excellent tutor!
Joshua
Math - Pre-Calculus
Jun 26, 2018
Excellent Tutor
Maria
Math - Calculus
Jun 26, 2018
A wonderful tutor and I am so grateful for them
Gabriel
Math - Pre-Calculus
Jun 22, 2018
Very patient tutor who explained new concepts with great clarity.
Chris
Math - Algebra
Jun 21, 2018
Well done!
Maria
Math - Calculus
Jun 20, 2018
I'm so glad that this tutor was so willing to help me, not just with 1 problem, but 2 problems.
Habib
Math - Pre-Calculus
Jun 15, 2018
Excellent Tutor.
Richard
Math - Calculus
Jun 14, 2018
David was great. He helped out a lot and showed me where I was going wrong.
Luismel
Math - Pre-Calculus
Jun 12, 2018
Excellent Help! Best tutor I ever had!
Christopher
Math - Pre-Calculus
Jun 10, 2018
Best experience with a tutor yet. Very knowledgeable and helpful in every regard.
David
Math - Calculus
Jun 9, 2018
Excellent service
Erica
Math - Algebra
Jun 9, 2018
my tutor was very nice and explains everything i was confused with.
rachel
Math - Pre-Calculus
Jun 7, 2018
wow amazing tutor!!!
Erica
Math - Algebra
Jun 7, 2018
The tutor was so nice and helped me with all my problems! :-)
Levornia
Math - Algebra
Jun 4, 2018
David WAS AMAZING! I am HAPPY!
JAMES
Math - Calculus
Jun 3, 2018
so helpful!!!!
JOSHUA JIM
Math - Pre-Calculus
Jun 3, 2018
The tutor was an outstanding one who helped me understand my problems thoroughly.
Franklin
Math - Pre-Calculus
Jun 3, 2018
Great help as always!!!
Jeena
Math - Pre-Calculus
Jun 2, 2018
another great tutor!
Robert
Math - Pre-Calculus
May 29, 2018
OUTSTANDING!
Craig
Math - Calculus
May 29, 2018
Best tutor yet!
Patricia
Math - Pre-Calculus
May 12, 2018
He was so kind and patient! He explained everything in depth and left no place for confusion.
Anthony
Math - Calculus
May 10, 2018
GOOOOD!
Nana
Math - Algebra
May 10, 2018
Great tutor
Peter
Math - Calculus
May 9, 2018
Great tutor
Michaina
Math - Pre-Calculus
May 8, 2018
This was extremely helpful in my process with preparing for my test. My tutor was very knowledgeable and extremely helpful.
Mariah
Math - Pre-Calculus
May 6, 2018
David really helped me this semester! I enjoyed working with him a lot.
rachel
Math - Pre-Calculus
May 5, 2018
very helpful amazing tutor
Mariah
Math - Pre-Calculus
May 2, 2018
I can't explain how great David is! He seriously is my favorite tutor on here. He is patient, gives you options on methods to use, and gives you study tips. He is kind and motivating.
Benton
Math - Calculus
Apr 26, 2018
Great tutor! was very helpful and explained every step very well and made sure I understood each step thoroughly before we moved on.
Mariah
Math - Pre-Calculus
Apr 25, 2018
David is consistent in his work. Every time he is efficient and friendly. He tutors AND teaches in such a great way. He has helped my grade improve.
Kimo
Math - Calculus
Apr 24, 2018
quick initial response time and tutor made it look easy. I feel much more confident now!
Nicholas
Math - Pre-Calculus
Apr 22, 2018
David A. was very helpful and thorough in making sure I understood the problem at hand.
Nicholas
Math - Pre-Calculus
Apr 21, 2018
The tutor was very helpful, this service was a life saver.
Mariah
Math - Pre-Calculus
Apr 18, 2018
David is a pleasure to work with! He take the time to show you every single step if needed. One of the greatest things about David is that he is patient and always encouraging. Never condescending and always answers your questions! I recommend him as a tutor.
Mariah
Math - Pre-Calculus
Apr 18, 2018
David is helpful in explaining every step of the problem!
Mariah
Math - Pre-Calculus
Apr 16, 2018
Amazing tutor!!!
Maria
Math - Calculus
Apr 15, 2018
A most wonderful tutor who has helped a lot to understand the problem. I am very fortunate and grateful to be using this service!
Bernard
Math - Calculus
Apr 8, 2018
David was really informative and knowledgeable of the subject. He explained things very well and should get paid a higher salary.
Aija
Math - Pre-Calculus
Apr 6, 2018
I wish that maybe we can have free access to more math categories for people in college. For me I am working on my AA in Liberal Arts and the math for this kind of class touches on a lot of different types of math.
Nicholas
Math - Calculus
Apr 5, 2018
The gentleman was a great help!
dave
Math - Pre-Calculus
Apr 5, 2018
Thank you so much
Mariah
Math - Pre-Calculus
Apr 2, 2018
David takes the time to help you understand the concepts and see the big picture. This helps in understand the smaller things and then from there it's easier to do the equations and arithmetic. I recommend David as a tutor!
Nes
Math - Pre-Calculus
Mar 31, 2018
saved me from the evil triangles
Kelvin
Math - Calculus
Mar 30, 2018
David A is awesome!
Mariah
Math - Pre-Calculus
Mar 27, 2018
David is AMAZING. He is encouraging and patient. He makes sure to go at your pace and is gentle in correcting your mistakes. He is saved as one of my favorite tutors because time and time again he is great.
rachel
Math - Pre-Calculus
Mar 20, 2018
amazing help!!
Jason
Math - Algebra
Mar 19, 2018
Great tutor! explained everything well!
Wendy
Math - Pre-Calculus
Mar 14, 2018
Excellent Tutor!
Wendy
Math - Pre-Calculus
Mar 12, 2018
Excellent Tutor!
rachel
Math - Pre-Calculus
Mar 10, 2018
amazing tutor!! really helps in understanding problems
rachel
Math - Pre-Calculus
Mar 9, 2018
great help
Rachel
Math - Calculus
Mar 9, 2018
David was Awesome! Much happier with my second experience. I hope I get hime everytime!
DMello
Math - Algebra
Mar 4, 2018
it was a good tutor and help me understand it
Madison
Math - Algebra
Mar 1, 2018
great tutor i added to favorites
Aisa
Math - Pre-Calculus
Feb 27, 2018
very good
Jillian
Math - Pre-Calculus
Feb 26, 2018
You always have such kind people working here!!! Such a big help!!!!
Jared
Math - Pre-Calculus
Feb 23, 2018
I didn't know what to expect coming in, but this was an amazing experience. David really helped me get the push I needed to fully understand the problems I was struggling with. I'm definitely going to keep using this throughout my college career!
DMello
Math - Algebra
Feb 19, 2018
awesome
rachel
Math - Pre-Calculus
Feb 18, 2018
amazing help!
rachel
Math - Pre-Calculus
Feb 17, 2018
great help
AMELIE YOON HEISE
Math - Pre-Calculus
Feb 12, 2018
The whiteboard never functions right for me. It sucks.
laraven
Math - Algebra
Feb 8, 2018
I love this
Tovah
Math - Pre-Calculus
Feb 5, 2018
Thank you for your help
Malik
Math - Pre-Calculus
Feb 4, 2018
Learned a lot.
Mikki
Math - Algebra
Jan 26, 2018
great tutor :)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
Emma
Math - Pre-Calculus
Jan 20, 2018
Great guidance helping me work my way to the correct answer.
Alexander
Math - Pre-Calculus
Jan 19, 2018
Excellent tutor
Ashley
Math - Calculus
Jan 14, 2018
This tutor continues to be incredibly patient and very helpful. Will definitely keep on my favorites list. We need more tutors like him! Promote now! :)
andrew
Math - Algebra
Jan 13, 2018
David was amazing
Ashley
Math - Calculus
Jan 12, 2018
This tutor was very patient, and had great attention to detail! Would work with him again.
Heath
Math - Pre-Calculus
Dec 20, 2017
Very helpful, would always use it if I need help on homework.
Lindsay
Math - Pre-Calculus
Dec 20, 2017
merry christmas everyone
DanielleRyan
Math - Algebra
Dec 19, 2017
I cannot find a tutor for my subject
Mia
Math - Pre-Calculus
Dec 18, 2017
DUDE WAS SO AWESOME
Anthony
Math - Calculus
Dec 17, 2017
THE BEST TUTOR! GOES THROUGH EVERYTHING CLEARLY! GET IT! A+++++++++++
Jodi
Math - Pre-Calculus
Dec 17, 2017
Thanks so much for the help!!! Very helpful.. Iasked questions and he understands where i'm at.
Jasmine
Math - Pre-Calculus
Dec 17, 2017
He helped me a lot, he went straight to my question and didn't confuse me.
Adam
Math - Calculus
Dec 17, 2017
best tutor on the site able to get to the point very easily when other tutors stuggle a bit
Maria
Math - Calculus
Dec 16, 2017
An excellent tutor that helped me understand the concepts and was very patient and understanding about it! I just wish I could have more time to work with tutors like this!
Candace
Math - Pre-Calculus
Dec 12, 2017
Best tutor Ive ever had. Explains things very well and helps me throughout the whole problem. A++++
Sabreena
Math - Algebra
Dec 10, 2017
David was wonderful!
Govinda
Math - Calculus
Dec 10, 2017
It was okay
Maria
Math - Calculus
Dec 6, 2017
A wonderful tutor who genuinely cared about whether or not I understood the concepts! I would love to work with them again!
Meggie
Math - Pre-Calculus
Dec 4, 2017
Great tutor and very good feedback!
Eunice
Math - Pre-Calculus
Dec 3, 2017
My tutor was really good and patient.
Tareyn
Math - Pre-Calculus
Dec 2, 2017
david is great, no doubt that he know his stuff
Mitchell
Math - Calculus
Dec 2, 2017
David was amazing he let me figure things out on my own when I could. He stuck with me and really helped me understand my question.
kasie
Math - Calculus
Nov 27, 2017
nothing, my first experience was wonderful!
Mark
Math - Calculus
Nov 24, 2017
They did not have the necessary skills to help me in multivariable calculus.
Cole
Math - Pre-Calculus
Nov 24, 2017
The audio sharing feature really helps me connect with my tutor. Thank you for thinking this up!
Raj
Math - Algebra
Nov 10, 2017
mic is really laggy and choppy
Nahum
Math - Pre-Calculus
Nov 9, 2017
Nice and quick responses
Roberto
Math - Pre-Calculus
Nov 3, 2017
Very good
Brian
Math - Pre-Calculus
Oct 29, 2017
David was awesome in assisting me with my problem and understanding what I needed to do.
Tea
Math - Algebra
Oct 28, 2017
very good
Caroline
Math - Calculus
Oct 27, 2017
I finally get this!
Erica
Math - Algebra
Oct 26, 2017
My tutor was so patient and encouraging!They are a favorite of mine!!
Jaya
Math - Pre-Calculus
Oct 26, 2017
The tutor did not explain the concept to me very well. The tutor then eventually left the room without helping me solve my math problem.
Alexandra
Math - Algebra
Oct 26, 2017
It is better than after school tutoring
Adam
Math - Calculus
Oct 21, 2017
as always pleasure working with david
Karli
Math - Calculus
Oct 16, 2017
Very understanding and helpful
Adam
Math - Calculus
Oct 15, 2017
Fantastic made calc a breeze to work on
Dante
Math - Pre-Calculus
Oct 12, 2017
David went above and beyond!
SweetPotato
Math - Pre-Calculus
Oct 10, 2017
4 words: David A is cool. Awesome tutor. 10/10 would learn from again.
Gabriella
Math - Pre-Calculus
Oct 10, 2017
The tutor was helpful in finding my answer and explaining what I did not understand. He was friendly and understanding for the most part.
Chad
Math - Pre-Calculus
Oct 4, 2017
tutor is very patient.
Emily
Math - Algebra
Oct 3, 2017
Very helpful and helped me understand this subject
Taylor
Math - Algebra
Oct 3, 2017
the service was good it just could've been better
Mike
Math - Pre-Calculus
Oct 1, 2017
David is the best tutor i have ever had!
Lexi
Math - Calculus
Oct 1, 2017
Loved him, he had a good sense of humor and was very helpful.
Riya
Math - Algebra
Sep 30, 2017
My tutor for math, was amazing, he explained the process in a slow step by step way to make the work easier. Thank you Tutor.com!
Lisa
Math - Pre-Calculus
Sep 27, 2017
Amazing tutors!!!!!!!!
Nasser
Math - Pre-Calculus
Sep 24, 2017
tutor was lowkey sassy
rachel
Math - Pre-Calculus
Sep 24, 2017
amazing help
Jorge
Math - Algebra
Sep 15, 2017
good
Jesse
Math - Algebra
Sep 15, 2017
He helped a lot
Brittany
Math - Pre-Calculus
Sep 14, 2017
He was so patient with me and challenged me. I though he was great!
Meet
Math - Calculus
Sep 13, 2017
David is an excellent tutor.
Corey
Math - Calculus
Sep 12, 2017
Spent 2+ hours on one problem and didn't finish, frustrating that the service is timed and a lot of the time it's waiting on the tutor.
Devin
Math - Algebra
Aug 31, 2017
It was hard understanding him at first
Rachel
Math - Calculus
Aug 28, 2017
vary helpful. :)
Porter
Math - Calculus
Aug 26, 2017
great guy!
David
Math - Pre-Calculus
Aug 26, 2017
This was my first time using the tutoring service. I should have done it earlier in the course. The tutor was a huge help and he really led me in the right direction.
Cindy
Math - Calculus
Aug 21, 2017
Although I had a challenging problem, my tutor kept trying to help me through it without using a particular rule, but when we kept running into the problem again, we ended up having to use the rule. I like how the tutor kept guiding me through the problem as we worked together to approach the challenging problem. Thanks so much for all the effort!
Jose
Math - Calculus
Aug 17, 2017
awesome! taught me a new way to do sign charts, explained everything thoroughly and fully, LIFESAVER
Lisa
Math - Pre-Calculus
Aug 17, 2017
Amazing Tutor !!!!!
Pete
Math - Calculus
Aug 16, 2017
Made me work for the answer. Very helpful
Skylar
Math - Calculus
Aug 15, 2017
N/A
Nicole
Math - Calculus
Aug 6, 2017
Fantastic! please fix bugs on whiteboard.
Wendy
Math - Pre-Calculus
Aug 4, 2017
Excellent Tutor!
Aileen
Math - Pre-Calculus
Aug 3, 2017
he was really nice
Carlos
Math - Algebra
Aug 2, 2017
ITS RIGGED
Sharnali
Math - Pre-Calculus
Jul 22, 2017
I loved my tutor so much. He explained everything so clearly, and does not bore me, unlike my real teachers in school.
Kenneth
Math - Pre-Calculus
Jul 19, 2017
David A. was awesome, really helpful and let me struggle enough to find my own way without giving me the easy answer!
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