Upenn math - Math/Physics/ Astronomy Library. Today's Hours: 9am - 7pm | Library Hours. Phone: 215-898-8173. Email: [email protected]. Location: ... ScholarlyCommons is the University of Pennsylvania's open access institutional repository for gathering, indexing, storing, and making widely available the scholarly output of the Penn community. ...

 
 MATH 2020 Proving Things: Analysis. This course focuses on the creative side of mathematics, with an emphasis on discovery, reasoning, proofs and effective communication, while at the same time studying real and complex numbers, sequences, series, continuity, differentiability and integrability. . Fidelity youth

Math-Physics Joint Seminar. Thursday, February 15, 2024 - 5:15pm. Julius Grimminger, Oxford University of Pennsylvania DRL. TBA CAGE: Philadelphia Area Combinatorics and Alg. Geometry Seminar. Thursday, February 22, 2024 - 3:30pm. Sarah Mason, Wake Forest University of Pennsylvania DRL 3C4 ... math and another subject may use two cognates for Math electives. All cognates require the approval of the Undergraduate Chair <UGradChair AT math.upenn.edu> ...Math 624, fall 2020 Algebraic Geometry. Faculty: David Harbater ; E-mail: harbater AT math.upenn.edu; Telephone: (215) 898-9594; Department office: (215) 898-8178 ; Office: DRL 4E2A; Department office: DRL 4W1-6.; Office hours: By appointment.. First semester graduate algebraic geometry. This course will provide an introduction to algebraic …The math professor and TV presenter has advice for parents and teachers Our free, fast, and fun briefing on the global economy, delivered every weekday morning. Advertisement Adver...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 WebLogin... math and another subject may use two cognates for Math electives. All cognates require the approval of the Undergraduate Chair <UGradChair AT math.upenn.edu> ...Math 240 slides Lower down on my webpage you can find slides from when I taught Math 240 in 2015 and 2013. The first half of that course covers linear algebra.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 WebLoginMath 114. Section 003 - Fall 2019. Course Guide; Syllabus; My Lab Registration; Calendar; Notes; Homework; Exams . Instructor : Wolfgang Ziller. Email : wziller@math ...Scott Professorship in Mathematics. Ezra Otis Kendall, LLD, the then current Professor of Mathematics, became the first holder of the Scott Chair. Subsequent ...31 Jan 2013 ... The rules for taking the derivative.30 Jun 2021 ... ... penn-math Personal Website: http://www.michael-penn.net Randolph College Math: http://www.randolphcollege.edu/mathematics/ Randolph College ...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 careers in research, teaching or ... 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 ... It isn’t just where you end up that counts, it’s how you got there and what happened along the way. The notion that math and writing ought to be taught in a similar way feels simul...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 …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 ...Interest is quite possibly the most complex bit of math that the average person has to use everyday. Like the Force, it can be used for good, for evil, and it binds the galaxy toge...Associate Professor of Statistics and Data Science. Nonparametric statistics, distribution-free inference, networks analysis, graphical models, statistical learning, combinatorial probability, discrete and computational geometry The Department of Mathematics of the University of Pennsylvania offers a full Graduate Program in Mathematics, conferring the degrees of Master of Arts (A.M.), Master of Philosophy (M.Phil.), and Doctor of Philosophy (Ph.D.) . The educational aim of this program is to provide well-rounded mathematical training for a career of research and ... The NCAA just released official March Madness tournament brackets, and the only thing separating you from the perfect bracket is a little math-driven logic. It’s time to win that o...It is largely a review of material in Math 240. Course and Homework Grading. Some References: books, articles, web pages. Notes: Homework and Exams from Dr. Jauregui's Section of Math 312, Fall 2012. Some Applications Using Linear Algebra Matrices as Maps and Symmetries The Letter F Linear maps from R 2 to R 3 are just linear equations. …Department of Mathematics. University of Pennsylvania. 209 South 33rd Street. Philadelphia, PA 19104-6395If you need assistance getting into a course, contact the Math Office at 215-898-8178 or email: rtoney AT math.upenn.edu and [email protected]). Permits. The Math Department begins issuing permits starting the first day of the semester. Students are advised to email [email protected] (copy [email protected]) to request a …In mathematics, the median value is the middle number in a set of sorted numbers. For example, in the set of numbers 10, 11, 13, 15, 16, 23 and 26, the median is 15 because exactly...2023-24 Catalog. Applied Mathematics and Computational Science, MA. Advanced mathematics is continually finding new applications in natural science, biology, engineering, medicine, and social sciences, and these fields are providing new directions for the development of mathematics itself. The graduate group in Applied Mathematics and ...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 WebLogin 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 Bookish nerds aren't the sort of teachers inspiring kids to take an interest in math and science. The typical image of math and science teachers is something of a boring, humorless...In mathematics, the median value is the middle number in a set of sorted numbers. For example, in the set of numbers 10, 11, 13, 15, 16, 23 and 26, the median is 15 because exactly...Bookish nerds aren't the sort of teachers inspiring kids to take an interest in math and science. The typical image of math and science teachers is something of a boring, humorless...Albert Einstein was one of the greatest scientists to ever live, but was he always such a wiz? Learn more about Einstein's 'genius' at HowStuffWorks. Advertisement In 1905, Theodor...Penn’s Online Learning Platform allows students to search for a variety of online educational opportunities including certificates, continuing education, micro-credentials, and degrees. Search Penn's Online Offerings. Penn Online Courses and Programs In 2012, Penn launched its first Massive Open Online Courses and created an office dedicated ... 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 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. Dept. Office: DRL 4W1, Ext. 8-8178. Math. Dept. Undergraduate Program Information The course: Math 141 -- Calculus for the Natural Sciences, II: Math 141 is the second semester of a first-year course in calculus for students who desire an emphasis on applications to physics and engineering, and who might later decide to take second-year ...Math 115 Maple Material Math 115 Old Final Exams Math 115 Lectures and Recitations This Semester Frequently Asked Questions (FAQ) Help. Basic Information; 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 ...Are you looking for a fun and interactive way to improve your mathematical skills? Look no further than free online math games. These games not only make learning math enjoyable, b...E-Mail:Hartmann AT math.upenn.edu Phone: (215) 898 7847 Office hours by appointment. Teaching (Fall 2023): Math5020 (Abstract Algebra)and Math7020 (Topics in Algebra: Algebraic Function Fields). Preprints & Papers. Activities: I serve as the faculty sponsor of the Penn AWM student chapter. Which Penn math grad program should I apply to? There are three graduate mathematics programs offered at the University of Pennsylvania: masters (A.M.), M.Phil. (masters of philosophy), and Ph.D. The Ph.D. program is an academic research-oriented program, in which students write a dissertation ("Ph.D. thesis") that involves original ... Math Department Printers. This page will show you how to install the Math Department network printers on your computer. Below you will find links to various operating systems with step-by-step picture tutorials, and a table with information regarding the different printers. Please note the hostname for which printer (s) you would like to set up ...Please contact [email protected] with any questions. *Sophomores and Juniors, when submitting your declaration request on Path@Penn, please do so for the Spring ... MATH 3140 Advanced Linear Algebra (1 cu) [MATH 314] MATH 3600 Advanced Calculus (1 cu) [MATH 360] MATH 3610 Advanced Calculus (1 cu) [MATH 361] 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 Professor, Departments of Materials Science and Engineering and Mechanical Engineering and Applied Mechanics. Computational and Theoretical Materials Science. [email protected]. 3401 Walnut Street, Room 532. 215-898-6924. 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 WebLogin 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 Math Department Printers. This page will show you how to install the Math Department network printers on your computer. Below you will find links to various operating systems with step-by-step picture tutorials, and a table with information regarding the different printers. Please note the hostname for which printer (s) you would like to set up ... The Mathematics Academy is a unique opportunity for students interested in examining mathematical concepts rarely offered at the high school level. The Mathematics Academy is fully residential with no commuter or online options. This rigorous, proof-oriented program will fuse lectures, problem sessions, demonstrations, and exploratory research to engage students in such as discrete mathematics ... 3451 Walnut Street University of Pennsylvania Philadelphia, PA 19104 Mon, Wed., Thu., Fri.: 9am-5pm Tue: 10am-5pm Sat, Sun: ClosedApplicants are encouraged to take courses, beyond calculus, in mathematical analysis, linear algebra, probability, and complex analysis. We are also happy to consider …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 online.The courses in the Mathematical Sciences cluster will provide you with a strong foundation in calculus, an essential skill in many scientific and professional careers. Penn LPS Online courses in the Mathematical are offered on an accelerated (8-week) schedule. Courses in the block are largely asynchronous with some optional synchronous sessions ...The Directed Reading Program (DRP) is a program which pairs undergraduate students with graduate students for a semester-long independent study. It was started at the University of Chicago but now runs in mathematics departments all over the country. There are no restrictions on choice of topics, and pairs will be assigned based on the ...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 WebLoginMathematics, PhD. The Department of Mathematics of the University of Pennsylvania offers a full Graduate Program in Mathematics, conferring the degrees of Master of Arts (A.M.), Master of Philosophy (M.Phil.), and Doctor of Philosophy (Ph.D.). The educational aim of this program is to provide well-rounded mathematical training for a career of ...The courses in the Mathematical Sciences cluster will provide you with a strong foundation in calculus, an essential skill in many scientific and professional careers. Penn LPS Online courses in the Mathematical are offered on an accelerated (8-week) schedule. Courses in the block are largely asynchronous with some optional synchronous sessions ...Browse mathematics e-journals by title; Browse physics and astronomy e-journals by title; Search all journals, print and electronic; Interlibrary Loan journal article requestOffice: 4N51. Email: htowsner AT math DOT upenn DOT edu. Phone: (215) 898-8474. Address: University of Pennsylvania. 209 South 33rd Street. Philadelphia, PA 19104-6395. Homepage for Henry Towsner, Department of Mathematics.Antonella Grassi. Office: 3E6, David Rittenhouse Laboratory Telephone: 215 898-7997 Math. Dept. Telephone: 215 898-8627 (Currently a Simons Fellow) E-mail: grassi A T ...Math/Physics/ Astronomy Library. Today's Hours: 9am - 7pm | Library Hours. Phone: 215-898-8173. Email: [email protected]. Location: ... ScholarlyCommons is the University of Pennsylvania's open access institutional repository for gathering, indexing, storing, and making widely available the scholarly output of the Penn community. ...Math-Physics Joint Seminar. Tuesday, January 31, 2023 - 3:30pm. Vasily Golyshev, IITP and ICTP University of Pennsylvania DRL 3C6. MathSci via Proxy. MPA Library. Penn's Library via Proxy. David Rittenhouse Lab. Philadelphia, PA 19104-6395 [email protected]: (215) 898-8178 & 898-8627: (215) 573-4063. 2023-24 Catalog. Biology: Mathematical Biology, BA. Computational and Mathematical Biology are important new areas in the biological sciences. Many areas in genetics, ecology, and evolution depend on sophisticated quantitative analyses. For example, the advent of data from the human genome project (and similar data from other species) has shown ... Contact Department of Mathematics. David Rittenhouse Lab. 209 South 33rd Street Philadelphia, PA 19104-6395 Email: [email protected] Phone: (215) 898-8178 & …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 WebLoginContact 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 careers in research, teaching or ...Students may be able to determine placement at a particular level in a variety of different subjects, either by means of an exam taken before matriculation (A.P., I.B.) or by taking a placement exam offered by a Penn department, usually at the beginning of the semester. In either case, students should consider the issue of placement very carefully.One University, Four Schools. Every student gains a strong foundation in the liberal arts and sciences and is able to take classes in all four schools. Therefore, we encourage you to consistently take classes in core academic areas (English, social studies, math, science, and foreign language) throughout your four years of high school.Math 314 will cover vector spaces, linear transformations, canonical forms, and inner products. The course will be varied, involving theory, computations, and examples. It is open to undergraduate students, both math majors and others, and it is required for math majors. The course is more in-depth and more theoretical than the linear algebra ...Professor of Mathematics. University of Pennsylvania Department of Mathematics 209 South 33rd Street Philadelphia, PA 19104-6395. Email:pop AT math.upenn.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 Instructor: Julia Hartmann: [email protected]: Office Hours on zoom Wednesdays 9.15-10.15am: Lecture: MF 10:15-11.44. BENN 419 : Note that the first lecture is on Wednesday, January 11 which is a Monday on the university schedule. Instructor: Julia Hartmann: [email protected]: Office Hours on zoom Wednesdays 9.15-10.15am: Lecture: MF 10:15-11.44. BENN 419 : Note that the first lecture is on Wednesday, January 11 which is a Monday on the university schedule.: Textbook: Linear …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 WebLoginPlease contact [email protected] with any questions. *Sophomores and Juniors, when submitting your declaration request on Path@Penn, please do so for the Spring ... MATH 3140 Advanced Linear Algebra (1 cu) [MATH 314] MATH 3600 Advanced Calculus (1 cu) [MATH 360] MATH 3610 Advanced Calculus (1 cu) [MATH 361] MATH …In math, the multiples of a number include all the numbers that result from multiplying that number by any whole number. A number’s multiples include the number itself plus the num...13 Dec 2011 ... Math 104 Spring 2011 # [email protected] . about / personnel / visitors / research / education / activities / friends / departments / contact University of Pennsylvania David Rittenhouse Laboratory 209 South 33rd Street Philadelphia, PA 19104 * The M/PRG is supported in part by an NSF Focussed Research Grant DMS 0139799 and by the DOE Grant DE-AC02-76-ER-03071.Math 1400 Old Final Exams · 2022-23: Fall 2022 · 2021-22: Fall 2021 | Spring 2022 · 2020-21: Fall 2020 | Spring 2021 · 2019-20: Fall 2019 | Spring 2020 ...14 Sept 2012 ... Find the composite function, Find its domain and range.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 WebLogin 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 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 The math professor and TV presenter has advice for parents and teachers Our free, fast, and fun briefing on the global economy, delivered every weekday morning. Advertisement Adver...E-mail: [email protected]. Phone: 215-898-1988. Questions About Terminology? Go To Glossary. Need Help? Type a word or phrase into the search box to find the answers you need. Search. 3451 Walnut Street University of Pennsylvania Philadelphia, PA 19104 Mon, Wed., Thu., Fri.: 9am-5pm Tue: 10am-5pm The Mathematics Academy is a unique opportunity for students interested in examining mathematical concepts rarely offered at the high school level. The Mathematics Academy is fully residential with no commuter or online options. This rigorous, proof-oriented program will fuse lectures, problem sessions, demonstrations, and exploratory research to engage students in such as discrete mathematics ... 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 InformationCourse: 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 online.Department of Mathematics University of Pennsylvania David Rittenhouse Lab 209 South 33rd Street Philadelphia PA 19104 (215) 898-7845 Office: DRL 3E5C Office Hours Spring 2024: Math 5090 Monday 2:00-3:00 (online) or by appointment I am a Professor of Mathematics at UPenn.

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 WebLogin. Inside the iss

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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 WebLogin Instructor: Julia Hartmann: [email protected]: Office Hours on zoom Wednesdays 9.15-10.15am: Lecture: MF 10:15-11.44. BENN 419 : Note that the first lecture is on Wednesday, January 11 which is a Monday on the university schedule. 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 WebLoginBrowse mathematics e-journals by title; Browse physics and astronomy e-journals by title; Search all journals, print and electronic; Interlibrary Loan journal article requestMath/Physics/ Astronomy Library. Today's Hours: 9am - 7pm | Library Hours. Phone: 215-898-8173. Email: [email protected]. Location: ... ScholarlyCommons is the University of Pennsylvania's open access institutional repository for gathering, indexing, storing, and making widely available the scholarly output of the Penn community. ...Office: 4N67 DRL. Phone: 215-573-8861. yumengou AT sas.upenn.edu. Mailing address: Department of Mathematics. University of Pennsylvania. 209 South 33rd Street2023-24 Catalog. Mathematics, Minor. At the core of modern theoretical science, mathematics has historically provided an expressive language as well and theoretical …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 …1 Apr 2013 ... Find the volume using triple integrals.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 WebLoginContact 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 math professor and TV presenter has advice for parents and teachers Our free, fast, and fun briefing on the global economy, delivered every weekday morning. Advertisement Adver...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 WebLogin 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 ... Funded Research Projects at Penn Math · Ted Chinburg -- Cryptographic applications of capacity theory · Ted Chinburg -- Chern classes in Iwasawa Theory · Ted&n...Penn’s Online Learning Platform allows students to search for a variety of online educational opportunities including certificates, continuing education, micro-credentials, and degrees. Search Penn's Online Offerings. Penn Online Courses and Programs In 2012, Penn launched its first Massive Open Online Courses and created an office dedicated ...In mathematics, the median value is the middle number in a set of sorted numbers. For example, in the set of numbers 10, 11, 13, 15, 16, 23 and 26, the median is 15 because exactly...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 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 .

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