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6+ years
Griffin
I am a graduate from Kansas State University with a B.S. in Chemical Engineering. I have worked professionally as a research assistant for KSU, a project manager for Cargill, and an auxiliary engineer with Black & Veatch. With recent experience in office, industry, and university, I am fully prepare...
Kansas State University
Bachelor of Science, Chemical Engineering

Certified Tutor
6+ years
Ian
I am an undergraduate student in my junior year at the University of Georgia. It is currently my second semester in the Tull School of Accounting here and I plan on pursuing a Masters of Accountancy in the graduate program. I have years of experience tutoring during my time as a member of a Math Hon...
University of Georgia
Current Undergrad Student, Accounting

Certified Tutor
6+ years
Samantha
I am currently working towards a Political Science degree with a focus in Statistics, and I hope to go on to law school after I graduate. My favorite subjects are Statistics, Political Science, History, English, and French.
Middle Georgia State University
Associate in Arts, Political Science and Government

Certified Tutor
6+ years
Aiden
I'm a recent graduate from Reed College where I majored in Political science with additional concentrations in environmental science, sociology, philosophy, and 3D art.
Reed College
Bachelor in Arts, Political Science and Government

Certified Tutor
6+ years
Jack
I am a Junior in college at Northeastern University working towards my Bachelor of Science in Physics. I aspire to earn my PhD in Physics after college.
Northeastern University
Bachelor of Science, Physics

Certified Tutor
I am a licensed physician from Florida who is currently changing careers. I graduated from the University of Pennsylvania in 2009 and have extensive tutoring and editing experience. While a student, I became a certified writing tutor through the Critical Writing Department. Since I completed my writ...
Nova Southeastern University
PHD, Medicine
University of Pennsylvania
Bachelors, History
University of Pennsylvania
undergraduate

Certified Tutor
9+ years
Jai
I'm a recent Stanford graduate (Electrical Engineering and Computer Science), and have been working at a major Management Consulting firm for a few years now. I personally scored a 2360 (out of 2400) on the SAT and 35 on the ACT and was successful in gaining admission to several top universities. I'...
Stanford University
Bachelors in Electrical Engineering and Computer Science

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Kate
I'm available to tutor biology, chemistry, physics, math from Algebra up through AP Calculus, SAT test prep, and French. I've been tutoring students in science and math for 7 years. I also spent 8 months working and studying in France, and have tutored high school and adult students in French. When ...
Massachusetts Institute of Technology
Masters, Environmental Engineering
Massachusetts Institute of Technology
Bachelors

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Erika
I am available to tutor middle and high school math, history and test prep. I have tutored math and history in the past and I previously taught a test prep course at a school in Hanoi, Vietnam. I have a lot of experience teaching all the need-to-know tricks to doing great on the SATS/ACTS! When I am...
Harvard University
Master of Public Policy, Public Policy

Certified Tutor
6+ years
Rhea
I am a current student at the University of Chicago. I am working towards a Bachelor of Science in Biological Sciences, and I am on the pre-medical track. I am extremely passionate about tutoring, and I have several years of experience tutoring students in my high school's learning center in various...
University of Chicago
Bachelor of Science, Biology, General
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Jeffrey
Pre-Calculus Tutor • +29 Subjects
I am enrolled in the Mechanical Engineering PhD program at Rice University which will begin Fall 2020, and I am hoping to return to academia as a professor after earning my PhD. In the meantime, I am looking to share my passion for gaining knowledge, specifically in STEM, by educating the up and coming members of such a great field. I have experience tutoring both Calculus and Physics at Notre Dame, as well as experience as a Student Assistant for Differential Equations and Mechanics. I believe the key to learning is much deeper than learning to solve problems and that seeking knowledge is one of the best means for personal improvement.
Sami
Pre-Algebra Tutor • +19 Subjects
I am a Duke University graduate in Economics and Computer Science. I am currently pursuing an MBA degree at the Yale School of Management. I have worked in the financial field, both at a management consulting firm and a fortune 500 company. My hobbies include playing and coaching soccer. Hobbies: reading, writing, art, books, music
Sharon
Pre-Algebra Tutor • +29 Subjects
I am a graduate of the University of Chicago, and I will be starting a graduate program at Columbia in August. I am about to complete a year of service with City Year, an education non-profit that places young adults into under-served schools. As a City Year member, I worked full-time in the classroom with middle-school students who were in approximately the 10th percentile for math (meaning they score lower than 90% of students). One-fourth of those students were able to grow around 15 percentile points by the end of the year! Hobbies: reading, cooking, gardening, music, art, nature, books, writing
Annie
Pre-Algebra Tutor • +28 Subjects
I am currently a second year medical student. I was a Physiological Sciences major at UCLA (class of 2015), and pursued research during my gap year between undergrad and medical school.
Tony
Calculus Tutor • +28 Subjects
I am a recent graduate of Yale University and incoming first year medical student at Columbia University. Originally from the DC area, I have always had a passion for science and medicine and pursued a degree in Biology while at Yale. During the 2008-2009 academic year, I tutored science, math, English, history, and Mandarin Chinese part-time with a DC-based tutoring company. At Yale, I worked as a freshman counselor to provide academic and career advice to incoming freshmen. I have taken both SAT and MCAT test prep classes and am familiar with both tests as well as the preparation necessary to score well. My personal career goals include attending medical school to pursue either immunology/infectious diseases or psych/neurology, teaching biology at the university level, and working in public/global health with either the CDC or the WHO.
Matthew
Pre-Algebra Tutor • +39 Subjects
I'm a highly creative person who works best with visual thinkers. Very recently graduated from Stanford University, I majored in Human Biology with a concentration in Bioinformatics and Stem Cell Science. Technical though my background may be, I am currently gigging as a singer/songwriter/composer in NYC and tackle even the most hard-science of problems with a top-down, big-picture, holistic approach. If you have a propensity to look at problems in a cross- or inter-disciplinary manner (or want to learn how to do so), I'm the tutor for you!
Charles
AP Calculus AB Tutor • +25 Subjects
I am a junior Mechanical Engineering major at Yale, and I hope to become a Naval Aviator after college. I am also a varsity sailor, and enjoy playing music with friends when I can get some free time. I have been tutoring my fellow students throughout my entire academic career, and I would best describe my tutoring style as one that adapts to each students' needs. For example, I have always tried to frame questions in a different way so that the student can better understand the question. Some students need visual representations of numbers and systems to understand them, and others benefit more by understanding the concepts behind each formula. I prefer to tutor in math and physics, and especially with real world application problems. I hope to help students improve their standardized test scores and their understanding of the math and sciences so that they can achieve their academic goals! Hobbies: art, books, running, reading, music, writing
Tiffany
Pre-Algebra Tutor • +56 Subjects
I am available to tutor a broad range of subjects, I am passionate about test preparation, Accountancy, and Algebra.
MaryAnn
Calculus Tutor • +21 Subjects
I am a published author who has enjoyed “coaching” our daughter, as she navigated through high school, college and graduate school. I mentor college juniors who are seeking careers in financial services, and I serve as a peer resource to professionals who are transitioning from private industry to the nonprofit sector. Hobbies: reading, cooking, writing, books, music, art, travel
Samuel
AP Calculus AB Tutor • +29 Subjects
I am a freshman at Caltech majoring in Applied and Computational Mathematics. My favorite subject to tutor is math because I find it very rewarding to simplify complex topics to aid in understanding. I have lots of tutoring experience. In high school, I ran and taught an SAT prep class and was vice president of my school's NHS chapter where I ran our tutoring program, and I, myself, tutored. I also was a teaching assistant in the summer of 2020 for a class in discrete mathematics through a program called PACT (Program in Algorithmic and Combinatorial Thinking). I love learning and hope to make the process enjoyable for you!
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Frequently Asked Questions
Students often find the transition from polynomial rings to abstract ring theory challenging—particularly understanding ideals, quotient rings, and localization. Many struggle with Noetherian rings and primary decomposition, where the intuition from linear algebra doesn't directly apply. Another common pain point is grasping why certain properties (like unique factorization) hold in some rings but not others, and how to work with modules over non-principal ideal domains. Tutors help students build the conceptual framework needed to see these structures as natural extensions of familiar algebraic objects.
Commutative algebra proofs often require identifying which ring properties are relevant and knowing when to apply tools like the Chinese Remainder Theorem, Nakayama's Lemma, or localization. Tutors help you develop a strategic approach: recognizing proof patterns (contrapositive arguments, contradiction, induction on degree), knowing when to reduce to local rings, and understanding how to leverage prime ideals as a diagnostic tool. Working through proofs together, you'll learn to ask the right questions—like "Is this property preserved under localization?" or "Can I reduce to the case where the ring is local?"—that guide your problem-solving.
Ideals are abstract by nature, and it's easy to manipulate them symbolically without understanding what they represent geometrically or algebraically. Many students struggle to see why prime ideals correspond to irreducible varieties, or why maximal ideals are the "points" of a ring's spectrum. Tutors bridge this gap by connecting ideals to concrete examples—like how ideals in polynomial rings relate to solution sets of equations—and by building intuition through worked examples before moving to general theorems. This conceptual grounding makes advanced topics like primary decomposition and localization much more accessible.
Localization often feels like an unmotivated technique until you see it solves real problems. The key insight is that localizing at a prime ideal focuses your attention on that prime—making properties "local" easier to verify than globally. Tutors help you recognize when localization is the right tool: checking if a module is projective, understanding flatness, or reducing global problems to local ones where intuition is clearer. By working through examples where localization simplifies a proof or reveals structure, you develop the judgment to apply it strategically rather than mechanically.
Noetherian rings are significant because they guarantee that ascending chains of ideals stabilize—a property that makes many theorems possible and prevents pathological behavior. Students often miss why this matters until they see examples of non-Noetherian rings where basic results fail. Tutors help you appreciate Noetherian rings by contrasting them with counterexamples, showing how the Noetherian condition enables primary decomposition and makes dimension theory well-behaved. Understanding this foundational property transforms how you approach problems: you'll recognize when Noetherian assumptions are doing the heavy lifting in a proof.
Modules generalize vector spaces by allowing scalars from a ring rather than a field, but this added generality introduces subtleties: modules over non-principal ideal domains don't have nice basis decompositions, and properties like projectivity and flatness replace simpler linear algebra intuitions. Students often struggle because module-theoretic arguments feel less concrete than polynomial ring calculations. Tutors help by showing how modules arise naturally in commutative algebra—like using modules to study homological properties of rings—and by building intuition through examples before tackling general theorems about projective, flat, or free modules.
Dimension theory in commutative algebra is defined through chains of prime ideals rather than geometric dimension, making it feel disconnected from intuition. Students struggle because Krull dimension, height, and depth are defined algebraically, and it's unclear why these definitions capture what we mean by "dimension." Tutors help by connecting these definitions to geometric intuition—showing how chains of primes correspond to irreducible subvarieties—and by working through concrete examples in polynomial rings where algebraic definitions align with geometric intuition. Once you see this connection, dimension-theoretic arguments become much more interpretable.
Commutative algebra textbooks vary significantly in style—some emphasize homological methods, others focus on geometric intuition, and some prioritize computational aspects—which can create gaps in understanding when switching between sources. Tutors help by providing a coherent narrative that connects these perspectives, filling in skipped steps, and translating between different notational conventions. They can also guide you on which foundational concepts to prioritize based on your goals, whether that's algebraic geometry, number theory, or homological algebra, ensuring you build the right intuitions for your specific needs.
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