19 Aug 2020 ... ... penn-math Personal Website: http://www.michael-penn.net Randolph College Math: http://www.randolphcollege.edu/mathematics/ Randolph College ...Academic Content: The Summer Mathematics Academy will expose students to the diverse field of mathematics over the three-week program. The academy will begin by introducing the theory of mathematical logic and proofs, and then will cover a selection of topics in higher-level mathematics, with different Penn faculty …Mathematics Education (MTHED) This course focuses on the development of content and pedagogy for teaching mathematics to children in elementary school. In this course, future educators consider mathematics from the learner and teacher perspectives. It is intended to help them become knowledgeable of relevant mathematics concepts.Academic Content: The Summer Mathematics Academy will expose students to the diverse field of mathematics over the three-week program. The academy will begin by introducing the theory of mathematical logic and proofs, and then will cover a selection of topics in higher-level mathematics, with different Penn faculty …6 Aug 2021 ... ... penn-math Personal Website: http://www.michael-penn.net Randolph College Math: http://www.randolphcollege.edu/mathematics/ Randolph College ...Math 314 -- Home Page Instructor: Tony Pantev Lectures: MW 9am-10:30am, Goddard Lab, room 101 Office: 3E4 David Rittenhouse Laboratory Office Hours: MW at 4-5pm and by appointment. Email address: [email protected] Office phone: (215) 898-5970 Info pages for undergraduate math: General Mathematics Undergraduate InformationHow to apply. Applications to Penn's graduate mathematics program should be submitted electronically. We no longer accept hard copy application forms. The application period …Mathematics Courses. The following courses can be used to fulfill the mathematics requirement:. CIS: CIS/ENM 1600, CIS/ENM 2610; EAS: EAS/ENM 205 ENM: All courses. Notice that you cannot take both ENM2510 (8) and MATH2410 (only one or the other); ENM 3750 (due to overlap between 4020 (formally ESE 302) and STAT4310 you can take …New York’s Penn Station is one of the busiest railroad stations in North America. According to Curbed New York, it sees around 650,000 commuters daily. Amtrak, New Jersey Transit a... Mathematics Learning Assistants will participate in the instruction of undergraduate mathematics courses. In MATH 400 Teaching in Mathematics (1-2), students will learn about and gain experience in leading and facilitating in-class and out-of-class group discussions and group problem-solving sessions. Students will be members of a teaching ... The Graduate Group in Applied Mathematics and Computational Science of the University of Pennsylvania offers a full graduate program in mathematics, conferring the degrees of Master of Arts (M.A.), and Doctor of Philosophy (Ph.D.) . The educational aim of this program is to provide well-rounded training for careers in research, teaching or ...Academic Content: The Summer Mathematics Academy will expose students to the diverse field of mathematics over the three-week program. The academy will begin by introducing the theory of mathematical logic and proofs, and then will cover a selection of topics in higher-level mathematics, with different Penn faculty …Mathematics at Penn embraces traditional core areas of mathematics as well as developing areas (Penn is one of the world's leading centers in the application of logic to …The goals of the major program are to assist students in acquiring both an understanding of mathematics and an ability to use it. We wish to inspire the discovery of new …How much of your math skills have you retained since your school days? Are you still acute, or have you become obtuse? Find out now with our quiz! Advertisement Advertisement Math:...Department of Mathematics An interesting article on defining antisemitism. David Rittenhouse Laboratories. 209 S. 33rd Street. Philadelphia, PA 19104-6395. …3 credits. Blue Book Description: Fundamental techniques of enumeration and construction of combinatorial structures, permutations, recurrences, inclusion-exclusion, permanents, 0, 1- matrices, Latin squares, combinatorial designs. Pre-requisites: MATH 220 Bachelor of Arts: Quantification. Suggested Textbook: Check with your instructor.Math videos covering a wide variety of topics from theory to application. Calculus, Differential Equations, Number Theory, Proofs, unique problems and much m... Education: Ph.D., Princeton University, 1994. College Resources. Finance; Administrative Offices; Communications; COVID-19; Data Services The goals of the major program are to assist students in acquiring both an understanding of mathematics and an ability to use it. We wish to inspire the discovery of new …The Algebra and Number Theory group at Penn State consists of researchers working in a variety of fields including: Algebraic and Analytic Number Theory. Algebraic and Arithmetic Geometry. Algebraic Statistics. Combinatorics. Commutative Algebra. Cryptography. Group Theory. Finite Field Theory.Note: The Tutoring Center also offers Penn students a variety of peer tutoring services to supplement the academic support provided by Penn faculty, ... Rate: Field Jorge Barreras Cortes: [email protected]: 267-269-7556: All …Math at Penn. We are the hub for mathematics education and research at the University of Pennsylvania. Our undergraduate program serves math majors and minors, as well as …Log into the Penn Foster Student Area now. If you're a first time user, you'll have to create a username and password using your Student ID Number. The average hourly commitment for a learning assistant can vary between 5 and 8 hours per week, depending on the assigned course. If you have any questions about the Mathematics Learning Assistants Program, please email the program coordinators at [email protected]. Please send any computing requests to [email protected] , where you should expect to receive a response within one business-day. For urgent problems, please visit our office ( DRL-3N5) or call 8-8148.Hello! I’m a fourth year mathematics Ph.D. student and NSF graduate fellow at the University of Pennsylvania, advised by Mona Merling. My research focuses on algebraic topology, homotopy theory, and category theory, and I also have an interest in mathematical visualization and communication. I believe that math can be accessible …The Graduate Group in Applied Mathematics and Computational Science of the University of Pennsylvania offers a full graduate program in mathematics, conferring the degrees of Master of Science (M.S.), and Doctor of Philosophy (Ph.D.) . The educational aim of this program is to provide well-rounded training for …Calculus Help. Calculus Videos. Learning Resource Center , offered by the Weingarten Learning Resources Center, in Stouffer Commons, Suite 300, 3702 Spruce Street, Philadelphia PA 19104, tel: (215) 573-9235. The Tutoring Center and Math Approved Tutors. Retaking Courses.The Graduate Group in Applied Mathematics and Computational Science of the University of Pennsylvania offers a full graduate program in mathematics, conferring the degrees of Master of Science (M.S.), and Doctor of Philosophy (Ph.D.) . The educational aim of this program is to provide well-rounded training for … Mathematics Learning Assistants will participate in the instruction of undergraduate mathematics courses. In MATH 400 Teaching in Mathematics (1-2), students will learn about and gain experience in leading and facilitating in-class and out-of-class group discussions and group problem-solving sessions. Students will be members of a teaching ... 2023-24 Catalog. Mathematics, PhD. The Department of Mathematics of the University of Pennsylvania offers a full Graduate Program in Mathematics, conferring the degrees of … Bachelor of Arts Degree in Mathematics. This degree program is intended for students whose interests outside mathematics are oriented toward the arts, humanities and social sciences. The requirements in these areas are greater than for the B.S. degree. Students in this degree program are strongly encouraged to select an area where mathematics ... 11 Dec 2019 ... Here is a video one of my students put together in honor of finals. Enjoy! http://www.michael-penn.net ...The Bridge to PhD is a master’s program in mathematics offered by the University of Pennsylvania. The goal of this program is to increase the number of PhD’s awarded in mathematics at Penn to members of groups that are traditionally underrepresented. This program is different than conventional master’s programs …6 Aug 2021 ... ... penn-math Personal Website: http://www.michael-penn.net Randolph College Math: http://www.randolphcollege.edu/mathematics/ Randolph College ...Mathematics at Penn embraces traditional core areas of mathematics and developing areas (Penn is one of the world's leading centers in the application of logic to theoretical computer science). The goals of the major program are to assist students in acquiring both an understanding of mathematics and the ability to use it.Math 640/641 - Ordinary Differential Equations. Year 3: 600-601. Topology and Geometric Analysis. 654. Lie Groups. 674. Information Theory 618-619. Algebraic Topology, Part I Math 644/645 - Partial Differential Equations. Math 676 (CIS 610) - Advanced Geometric Methods in Computer Science. Math 650-657 - Functional Analysis Electives (Lie ...Contact Department of Mathematics. David Rittenhouse Lab. 209 South 33rd Street Philadelphia, PA 19104-6395 Email: [email protected] Phone: (215) 898-8178 & 898-8627 Fax: (215) 573-4063. Penn WebLoginBe a part of the vibrant Penn community this summer with exciting learning opportunities for every kind of student—no matter where you call home. Penn Summer Sessions With daytime and evening classes designed to fit your summer schedule, Penn Summer Sessions make more than 200 on-campus and online credit courses available to …CSPG 50 - Mathematics 7-12. Instructional Area Code 6800. Modified: May 11, 2023. Mathematics is a group of instructional programs that describe the systematic study of logical symbolic language, its application, and the analysis of quantities, magnitudes, forms and their relationships, using symbolic logic and language.Please send any computing requests to [email protected] , where you should expect to receive a response within one business-day. For urgent problems, please visit our office ( DRL-3N5) or call 8-8148. This is a central topic in pure mathematics, as well as a vital computational tool. The course covers the following topics: complex numbers, holomorphic functions, Cauchy's theorem, meromorphic functions, Laurent expansions, residue calculus, conformal maps, topology of the plane. Prerequisite: MATH 501. MATH 503: Functional Analysis. Answers to the questions on Penn Foster exams are not available online. This is to prevent students from cheating. Penn Foster provides a list of test-taking tips at PennFoster.edu...Contact Department of Mathematics. David Rittenhouse Lab. 209 South 33rd Street Philadelphia, PA 19104-6395 Email: [email protected] Phone: (215) 898-8178 & 898-8627 Fax: (215) 573-4063. Penn WebLoginTony Pantev. Department of Mathematics University of Pennsylvania DRL 209 South 33rd Street Philadelphia, PA 19104-6395 Office: 3E4 David Rittenhouse Laboratory Office Hours: Monday 4-5pm, Wednesday 4-5pm and by appointment. Email address: [email protected] Office phone: (215) 898-5970 Fax: (215) 573-4063Mathematics Education (MTHED) This course focuses on the development of content and pedagogy for teaching mathematics to children in elementary school. In this course, future educators consider mathematics from the learner and teacher perspectives. It is intended to help them become knowledgeable of relevant mathematics concepts.11 Dec 2019 ... Here is a video one of my students put together in honor of finals. Enjoy! http://www.michael-penn.net ...University of Pennsylvania Math 104 Calculus I Spring 2014. Professor : Nakia Rimmer Email : [email protected] Office : DRL 4C21 Office Hours : Mon. 11-12:30 pm, Tue. 2-3 pm, Wed. 1-2:30 pm or by appointment. Course objective: To understand and apply the basic concepts found in a second semester calculus course, namely volumes and surface ...7 Aug 2022 ... Support the channel🌟 Patreon: https://www.patreon.com/michaelpennmath Merch: https://teespring.com/stores/michael-penn-math My amazon shop: ...Bursar. Pierre-Emmanuel Jabin. Katie Miller. Staff Assistant. University Park, PA 16802. 814-865-7529. Email the Co-Directors of Graduate Studies. [email protected] 16, 2024 · The 2024 Penn Math Contest is on March 16, 2024, and you can attend either in-person on the University of Pennsylvania campus or online over Zoom. There will be prizes available for the winners of the in-person contest, and certificates available for the winners of the online contest. There are three levels of contest (Beginners, Intermediate ... Math videos covering a wide variety of topics from theory to application. Calculus, Differential Equations, Number Theory, Proofs, unique problems and much m... The Penn Math Department maintains a wide list of courses, basic and advanced, from which it chooses its course offerings for each year. These offerings are chosen with regard to faculty and student interest as well as with an eye to balance among subfields represented in the Department.Other Penn State colleges and campuses may require the First-Year Seminar; ... Undergraduate Mathematics Office Academic Advising 104 McAllister Building University Park, PA 16802 814-865-7528 [email protected]. Suggested Academic Plan. The suggested academic plan(s) ...Suggest a problem: https://forms.gle/ea7Pw7HcKePGB4my5Please Subscribe: https://www.youtube.com/michaelpennmath?sub_confirmation=1Merch: …How to apply. Applications to Penn's graduate mathematics program should be submitted electronically. We no longer accept hard copy application forms. The application period … Math at Penn. We are the hub for mathematics education and research at the University of Pennsylvania. Our undergraduate program serves math majors and minors, as well as those seeking to take just one or two math courses. Students in our graduate program pursue masters and doctoral degrees in preparation for academic and professional careers ... Math at Penn. We are the hub for mathematics education and research at the University of Pennsylvania. Our undergraduate program serves math majors and minors, as well as those seeking to take just one or two math courses. Students in our graduate program pursue masters and doctoral degrees in preparation for academic and professional careers ...In today’s fast-paced world, convenience is key. From online shopping to mobile banking, we have come to expect instant access to services at our fingertips. The healthcare industr...CIS 2620. Automata, Computability, and Complexity. Total Course Units. 7. 1. Mathematics Electives must be math LEVEL 2000 or above. 2. Please consult with the Math Minor adviser before registering. The degree and major requirements displayed are intended as a guide for students entering in the Fall of 2023 and later.MATHEMATICAL BIOLOGY. The Center runs a roughly biweekly seminar series in which we invite researchers in mathematical biology to give a lecture, from around the country and beyond. Many of these seminar speakers are also long-term visitors to Penn, who will interact with a broad range of researchers across campus.Undergraduate. Why Choose Mathematics? Mathematics Majors. Mathematics Minor. Mathematics Courses. Honors Math. Mathematics Advising. Penn State Math Club. Learning Assistants.The Mathematical Economics Major is intended for students with a strong intellectual interest in both mathematics and economics and, in particular, for students who may pursue a graduate degree in …Contact Department of Mathematics. David Rittenhouse Lab. 209 South 33rd Street Philadelphia, PA 19104-6395 Email: [email protected] Phone: (215) 898-8178 & 898-8627 Fax: (215) 573-4063. Penn WebLoginAre you brainy enough to get a perfect score on this basic math test? If you think you're up for it, we have lined out 35 great questions for you to prove to yourself that you are ...14 Aug 2021 ... ... penn-math Personal Website: http://www.michael-penn.net Randolph College Math: http://www.randolphcollege.edu/mathematics/ Randolph College Math ...Contact Department of Mathematics. David Rittenhouse Lab. 209 South 33rd Street Philadelphia, PA 19104-6395 Email: [email protected] Phone: (215) 898-8178 & 898-8627 Fax: (215) 573-4063. Penn WebLogin3451 Walnut Street University of Pennsylvania Philadelphia, PA 19104 Mon, Wed., Thu., Fri.: 9am-5pm Tue: 10am-5pm Sat, Sun: ClosedResearchers have devised a mathematical formula for calculating just how much you'll procrastinate on that Very Important Thing you've been putting off doing. Researchers have devi...Contact Department of Mathematics. David Rittenhouse Lab. 209 South 33rd Street Philadelphia, PA 19104-6395 Email: [email protected] Phone: (215) 898-8178 & 898-8627 Fax: (215) 573-4063. Penn WebLoginThe Graduate Group in Applied Mathematics and Computational Science of the University of Pennsylvania offers a full graduate program in mathematics, conferring the degrees of Master of Science (M.S.), and Doctor of Philosophy (Ph.D.) . The educational aim of this program is to provide well-rounded training for …Office: Room 4E2A in David Rittenhouse Laboratory; Department of Mathematics; University of Pennsylvania; 209 S. 33rd Street; Philadelphia, PA 19104-6395. Office Hours: After class and by appointment. Telephone: (215) 898-9594 (Math. Dept. Office (215) 898-8178) Fax: (215) 573-4063. Email: harbater AT math.upenn.edu.Math at Penn. We are the hub for mathematics education and research at the University of Pennsylvania. Our undergraduate program serves math majors and minors, as well as those seeking to take just one or two math courses. Students in our graduate program pursue masters and doctoral degrees in preparation for …2 days ago ... WebPenn Summer Academy: Mathematics Academy Penn LPS Penn Summer Academy: Mathematics Academy Breadcrumb Home The Mathematics Academy is a ...CSPG 50 - Mathematics 7-12. Instructional Area Code 6800. Modified: May 11, 2023. Mathematics is a group of instructional programs that describe the systematic study of logical symbolic language, its application, and the analysis of quantities, magnitudes, forms and their relationships, using symbolic logic and language.7 Aug 2022 ... Support the channel🌟 Patreon: https://www.patreon.com/michaelpennmath Merch: https://teespring.com/stores/michael-penn-math My amazon shop: ...Students who wish to take further mathematics courses beyond Math 1160 and 2600 will be prepared to take either of two sequences in analysis/advanced calculus (Math 3600-3610 or Math 5080-5090), ... Penn's Three-Year Academic Calendar; …Department of Mathematics. Math Graduate. Graduate Admission. Choosing a Ph.D. Program is a very important decision. No program is ideal for everybody, and the Penn State Ph.D. Program in Mathematics is no exception. It may however be an excellent choice for students who are interested in certain areas of Mathematics, can live without hustle ...17 Mar 2023 ... ... penn-math My amazon shop: https://www.amazon.com/shop/michaelpenn 🟢 Discord: https://discord.gg/Ta6PTGtKBm 🌟my other channels🌟 mathmajor ...Mathematics Courses. The following courses can be used to fulfill the mathematics requirement:. CIS: CIS/ENM 1600, CIS/ENM 2610; EAS: EAS/ENM 205 ENM: All courses. Notice that you cannot take both ENM2510 (8) and MATH2410 (only one or the other); ENM 3750 (due to overlap between 4020 (formally ESE 302) and STAT4310 you can take …19 Aug 2020 ... ... penn-math Personal Website: http://www.michael-penn.net Randolph College Math: http://www.randolphcollege.edu/mathematics/ Randolph College ...10 Aug 2022 ... Support the channel⭐ Patreon: https://www.patreon.com/michaelpennmath Merch: https://teespring.com/stores/michael-penn-math My amazon shop: ...19 Aug 2020 ... ... penn-math Personal Website: http://www.michael-penn.net Randolph College Math: http://www.randolphcollege.edu/mathematics/ Randolph College ...Mathematics Education (MTHED) This course focuses on the development of content and pedagogy for teaching mathematics to children in elementary school. In this course, future educators consider mathematics from the learner and teacher perspectives. It is intended to help them become knowledgeable of relevant mathematics concepts.How to apply. Applications to Penn's graduate mathematics program should be submitted electronically. We no longer accept hard copy application forms. The application period …Deal Start: Mar 13, 2024 Deal End: Mar 19, 2024 Status: ExpiredCSPG 50 - Mathematics 7-12. Instructional Area Code 6800. Modified: May 11, 2023. Mathematics is a group of instructional programs that describe the systematic study of logical symbolic language, its application, and the analysis of quantities, magnitudes, forms and their relationships, using symbolic logic and language.Suggest a problem: https://forms.gle/ea7Pw7HcKePGB4my5Please Subscribe: https://www.youtube.com/michaelpennmath?sub_confirmation=1Patreon: https://www.patreo...There are introductory graduate courses in Algebra, Analysis, and Geometry-Topology. Each is offered in two versions: a masters level version and a Ph.D. level version. The masters level algebra course is Math 502/503, and the Ph.D. level course is Math 602/603. In analysis, the corresponding numbers are 508/509 and 608/ (609 or 610).9 Dec 2021 ... ... penn-math Personal Website: http://www.michael-penn.net Randolph College Math: http://www.randolphcollege.edu/mathematics/ Randolph College ...
Mathematics Courses. The following courses can be used to fulfill the mathematics requirement:. CIS: CIS/ENM 1600, CIS/ENM 2610; EAS: EAS/ENM 205 ENM: All courses. Notice that you cannot take both ENM2510 (8) and MATH2410 (only one or the other); ENM 3750 (due to overlap between 4020 (formally ESE 302) and STAT4310 you can take …. Fanduel sportsbook nj
Mar 16, 2024 · The 2024 Penn Math Contest is on March 16, 2024, and you can attend either in-person on the University of Pennsylvania campus or online over Zoom. There will be prizes available for the winners of the in-person contest, and certificates available for the winners of the online contest. There are three levels of contest (Beginners, Intermediate ... Mathematica File: https://bit.ly/3sbxNuv⭐Support the channel⭐Patreon: https://www.patreon.com/michaelpennmathMerch: https://teespring.com/stores/michael-penn...Academic Content: The Summer Mathematics Academy will expose students to the diverse field of mathematics over the three-week program. The academy will begin by introducing the theory of mathematical logic and proofs, and then will cover a selection of topics in higher-level mathematics, with different Penn faculty …Blue Book Description: First- and second-order equations; special functions; Laplace transform solutions; higher order equations; Fourier series; partial differential equations. Pre-requisites: MATH 141. Pre-requisite for: MATH 412, MATH 419. Bachelor of … Matthew Willyard ([email protected]) and Nicholas Stepanik ([email protected]) – MATH 230, 231 and 232 Nestor Handzy ( [email protected] ) – MATH 250, 251, and 252 Course Information I received my B.S. in Mathematics from the School of Mathematical Sciences at Peking University and Ph.D. from the Department of Mathematics at Brown University under the supervision of Prof. Jill Pipher. I grew up in Xi’an, a beautiful historic city in the northwest of China, and moved to Beijing with my family during middle school. My name ... Math 425--Partial Differential Equations Basic Information. Email: levh@sas(dot)upenn(dot)edu Office: 1N1 DRL Office Hours: Wednesday 4:00-6:00, or by appointment Course Website:here Homework Solutions. Homework 2: Solutions Homework 3: Solutions Homework 4: Solutions Homework 5: Solutions Homework 6: Solutions …1 Course Unit. MATH 1700 Ideas in Mathematics. Topics from among the following: logic, sets, calculus, probability, history and philosophy of mathematics, game theory, …Course: Math 570 (Intro to Logic and Computability)/Phil 006 (Formal Logic II)/Lgic 310 (Logic I) Instructor: Henry Towsner E-mail: [email protected] Office: 4N51 Office Phone: (215) 898-8474 Textbook The textbook for this class is Leary and Kristiansen, A Friendly Introduction to Mathematical Logic, 2nd ed., 2015.This text is freely available …Course: Math 570 (Intro to Logic and Computability)/Phil 006 (Formal Logic II)/Lgic 310 (Logic I) Instructor: Henry Towsner E-mail: [email protected] Office: 4N51 Office Phone: (215) 898-8474 Textbook The textbook for this class is Leary and Kristiansen, A Friendly Introduction to Mathematical Logic, 2nd ed., 2015.This text is freely available …Math 170 - Ideas in Mathematics. Cardinality of sets, rationals and reals, prime numbers, methods of proof, modular arithmetic, graphs, coloring theorems, Euler and Hamiltonian circuits, polyhedra and the Platonic solids, groups and symmetries, other topics as time and interest permit. The Language of Mathematics: Making the Invisible Visible ...1 Course Unit. MATH 1700 Ideas in Mathematics. Topics from among the following: logic, sets, calculus, probability, history and philosophy of mathematics, game theory, … Bursar. Pierre-Emmanuel Jabin. Katie Miller. Staff Assistant. University Park, PA 16802. 814-865-7529. Email the Co-Directors of Graduate Studies. [email protected]. 3 credits. Blue Book Description: Introduction to logic, sets, probability. Pre-requisites: 2 units of high school mathematics. Pre-requisite for: None. Suggested Textbook: Finite Mathematics + its applications, Goldstein, 10th Edition Pearson, 9780321571892. Check with your instructor to make sure this is the textbook used for your section.Math 314 -- Home Page Instructor: Tony Pantev Lectures: MW 9am-10:30am, Goddard Lab, room 101 Office: 3E4 David Rittenhouse Laboratory Office Hours: MW at 4-5pm and by appointment. Email address: [email protected] Office phone: (215) 898-5970 Info pages for undergraduate math: General Mathematics Undergraduate Information MATH 557, Mathematical Logic. MATH 558, Foundations of Mathematics. MATH 559, Recursion Theory. MATH 561, Set Theory. MATH 574, Topics in Logic and Foundations. MATH 597, Special Topics. Beyond Penn State. There is FOM, an automated e-mail list for foundations of mathematics. There is a web page of resources in foundations of mathematics. Are you brainy enough to get a perfect score on this basic math test? If you think you're up for it, we have lined out 35 great questions for you to prove to yourself that you are ...Math 170 - Ideas in Mathematics. Cardinality of sets, rationals and reals, prime numbers, methods of proof, modular arithmetic, graphs, coloring theorems, Euler and Hamiltonian circuits, polyhedra and the Platonic solids, groups and symmetries, other topics as time and interest permit. The Language of Mathematics: Making the Invisible Visible ...This undergraduate and graduate club is dedicated to hosting and organizing the annual University of Pennsylvania Math Contest for high school participants. Our student group is focused on expanding mathematical outreach and stoking high school students' interest in math. There are many positions that don't require …Mathematica File: https://bit.ly/3sbxNuv⭐Support the channel⭐Patreon: https://www.patreon.com/michaelpennmathMerch: https://teespring.com/stores/michael-penn....