What is Mathematics: Definition and 997 Discussions

Mathematics (from Greek: μάθημα, máthēma, 'knowledge, study, learning') includes the study of such topics as quantity (number theory), structure (algebra), space (geometry), and change (analysis). It has no generally accepted definition.Mathematicians seek and use patterns to formulate new conjectures; they resolve the truth or falsity of such by mathematical proof. When mathematical structures are good models of real phenomena, mathematical reasoning can be used to provide insight or predictions about nature. Through the use of abstraction and logic, mathematics developed from counting, calculation, measurement, and the systematic study of the shapes and motions of physical objects. Practical mathematics has been a human activity from as far back as written records exist. The research required to solve mathematical problems can take years or even centuries of sustained inquiry.
Rigorous arguments first appeared in Greek mathematics, most notably in Euclid's Elements. Since the pioneering work of Giuseppe Peano (1858–1932), David Hilbert (1862–1943), and others on axiomatic systems in the late 19th century, it has become customary to view mathematical research as establishing truth by rigorous deduction from appropriately chosen axioms and definitions. Mathematics developed at a relatively slow pace until the Renaissance, when mathematical innovations interacting with new scientific discoveries led to a rapid increase in the rate of mathematical discovery that has continued to the present day.Mathematics is essential in many fields, including natural science, engineering, medicine, finance, and the social sciences. Applied mathematics has led to entirely new mathematical disciplines, such as statistics and game theory. Mathematicians engage in pure mathematics (mathematics for its own sake) without having any application in mind, but practical applications for what began as pure mathematics are often discovered later.

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  1. B

    Math At the end of my Physics PhD, Switch to Mathematics?

    Hello! I am writing this to get some ideas for what to do with my future. This will be a long post so I should start by introducing myself… I am currently in the last year of my PhD studies and I will be starting my thesis soon (at least I hope so). My work is on classification theorems in...
  2. George Jones

    "Refrain from Discussing Mathematics"

    Sign at a deli in Connecticut: "Please refrain from discussing mathematics while waiting in line." To hear the story, start listening at 13:40 of the audio file http://www.cbc.ca/listen/shows/as-it-happens/episode/13012528 I heard this on the CBC program "As It Happens" while driving my...
  3. pairofstrings

    B Names of elements of any equation

    Hello. I came across a Quadratic Equation that looks like this. 5x2 + 4x + 9 = 0. The '5' in the above equation is called Quadratic Coefficient. The '4' in the above equation is called Linear Coefficient. The '9' in the above equation is called Constant. The 'x' in the above equation is called...
  4. M

    MHB Is Common Core Math Too Complex for Kids?

    Common Core is evil. Everything is about funding and exams. One of my nephews came home with a math question that my brother could not answer. My brother is an IT Specialist for Western Union. He knows math but not Common Core math. Here is an example: Add 20 + 30. Old Fadhioned Method...
  5. P

    I Color Theory Equations: Additive Color Mixing & Analytical Luminosity

    Hey guys I figured out something new about color theory in additive color mixing. So, the primary colors in additive color mixing are R, G, and B (Red, Green, and Blue). The secondary colors are C, M, Y (Cyan, Magenta, Yellow). Using basic knowledge we know that R + G = Y R + B = M G + B = C...
  6. B

    MHB Year 7 & 8 mathematics puzzle solve (1−1/2)(1−1/3)....(1−1/2017)=x

    This will be fairly easy to do, even in the eyes of a Year 7 Find x when $$\left({1-\frac{1}{2}}\right)\left({1-\frac{1}{3}}\right)...\left({1-\frac{1}{2017}}\right)=x$$ Remember: Year 7 and 8 maths only!
  7. Z

    Other Catch Up in Mathematics: Study Plan & Book Recommendations

    Hello everyone, I took some physics course but i never could be that serious because I had some difficulties first and it kinda get snowballing then I failed/stopped. So, i want to catch-up/(revise??) undergraduate mathematics (physics). So, i have a summer to do that i think, i can catch-up...
  8. pairofstrings

    B What is the use of simplifying a question in math?

    Hello. I have been looking into trigonometric identities that helps to simplify a question in mathematics. But the question that I have is, why do I need to simplify a question? For instance: Sin(x) * Cos(x) means Sin(2*x)/2. I have no answer that tells me why I simplify Sin(x) * Cos(x) to its...
  9. Sanchayan Ghosh

    The principle and mathematics behind Klein's construction?

    Hello, I tried looking this up a lot and just could not find it. For four bar linkage, Klein's construction is used to find velocity and acceleration of piston and connecting rod. Here is a link for the procedure of the same...
  10. P

    Programs Amsterdam vs Utrecht Theoretical Physics

    Hello everyone! I have been admitted in Utrecht and UvA (University of Amsterdam) for the Theoretical Physics masters. I am having a hard time deciding between the two and I was thinking that someone might have an opinion on one or the other (or even better on both). Any kind of information is...
  11. TLeit

    Other What are the best $20 mathematics of physics books?

    I have the opportunity to receive a book of up to a $20 value that must be related to mathematics, actuarial science, or education, so I was trying to find a good mathematics of physics or mathematics of chemistry book. Some of the ones I found are: -Mathematics of Classical and Quantum Physics...
  12. Vitani11

    Courses What mathematics courses should one take for physics?

    I'm a double major in physics and math. I have taken Calc 1-3, ODE, and linear algebra. This summer I'm taking PDE and in Fall I'll be taking complex variables. What other courses would you recommend?
  13. N

    Admissions Mathematics PhD Admissions from BS in EE?

    Hey guys, Basically, my heart is set on studying mathematics at the doctoral level and I am trying to figure out what I need to do to get there/what tier of schools I realistically could be a competitive applicant for. I'm an Electrical Engineer from a state university that graduated with a...
  14. S

    Discrete Math Books for Hobbyists: Boost Interest & Attention

    I am studying maths out of hobby. I feel sometimes that I can not move ahead because I get stuck with tough problems. Even after I move ahead, when i come back after quite some time, i get stuck with the same problems. Sometimes it is frustrating. And my interest and attention levels are going...
  15. awholenumber

    B What is a good book to learn about elementary mathematics?

    you know all the things that you are supposed to study before algebra . any good book suggestions ? :nb)
  16. Alettix

    Exponential Forcing Differential Equation

    Homework Statement Solve ## \frac{d^2y}{dt^2} + \omega^2y = 2te^{-t}## and find the amplitude of the resulting oscillation when ##t \rightarrow \infty ## given ##y=dy/dt=0## at ##t=0##. Homework EquationsThe Attempt at a Solution I have found the homogenious solution to be: ##y_h = A\cos\omega...
  17. parshyaa

    I What does negative ratio mean in mathematics?

    Whats the difference between (4/3) and -(4/3) Why ratio in external division is negative? I have answer for how it is negative but not why? X = (mx2+nx1)/(m+n) ⇒ (mx2+nx1) = X(m+n) ⇒m(x2-X) = n(X-x1) ⇒(m/n) = (X-x1)/(x2-X) From the above equation we can conclude that when division is...
  18. F

    I The creation of open problems in Mathematics

    I have a question about mathematics at the research level. How difficult is it to formulate new open problems in mathematics? For example, can a master's student create such problems? And a doctoral student? Or are only experienced mathematicians able to do this? Does this depend on the research...
  19. Vitani11

    Math Useful mathematics courses for a career?

    I have one year left until I get my mathematics degree (applied). I am probably going to go to graduate school, but if I didn't what courses would you recommend I take? Maybe in general but more specifically for a job in a STEM field. I'm currently thinking of complex variables and vector...
  20. M

    B Relationship between mathematics and existing objects

    Hey guys, Can the use of mathematics even describe or determines the real world? I mean, mathematical physicists always used and rely on math equations to abstract math "entities" like quantum field, virtual particles, quarks, gluons, etc. Can a physicist used math to determine the existence...
  21. F

    I Decrypting Data with Modular Mathematics

    I have some data which I am encrypting using modulus - (data + 203) mod 200. If the data is 150, I get the result as 153. Is there a way to decrypt and get my data (150) back? I don't know how to calculate inverse of this operation...
  22. I

    Physics or mathematics master for mathematical physics?

    Hello! I'm a European physics student with an interest in what I believe to be mathematical physics. I'm torn between going for a master in physics or one in mathematics as more and more it seems to me that the research areas I'm interest are often conducted in the mathematics department...
  23. Frank Li

    Studying What is the correct order of all Mathematics topics?

    I've trying to organize my path of study in mathematics, but in every resources online are different. Can anyone request a great order of learning them or a real curriculum of schools. Thanks.
  24. BL4CKB0X97

    Best Mathematics / Physics software

    Hello. I have noticed that a fair amount of stuff on this forum uses various softwares, for which I am unacquainted with. Figured I might as well dabble, see of I can learn to use them. All on Google basically say 'I'm the best!' and I trust this forums judgement more than that of others on...
  25. M

    Studying Why do Walter Rudin's proofs in real analysis often seem so elusive and clever?

    Dear all, I currently a student in mechanical engineering and i reached the conclusion that maths from the point of view of mathematicians is lot more interesting than the eyes of engineers (for me at least). One of my friends in the maths department suggested to me to read real...
  26. dsfrankl

    Engineering Should I be in engineering or mathematics?

    I've always been very strong in mathematics which led to me becoming an engineering major. As a freshman in this major, I'm doing exceedingly well in my math courses, but terrible in my science courses. I also just hate physics. Nothing about physics or statics or dynamics is capturing my...
  27. A

    Other Switching from Finance to Mathematics

    I am a 24 Year Old Chartered Accountant (Indian). I used a peculiar direct entry scheme for the qualification, which essentially means I do not have an undergraduate degree. The last time I learned any sort of intensive math was in 12th Grade (Commerce + Math). However, I am interested in...
  28. doktorwho

    Wolfram Alpha or Wolfram Course Assistant

    Hi, i would like to get someone's opinion on an iOS app I've been looking into. I already own Wolfram Alpha and am curious as I'm taking Calculus II should i get the Calculus Course assistant from Wolfram and what is the difference between it and the regular Alpha?
  29. vantroff

    Other Math book with problems (to use with Lang-Basic Mathematics)

    Hi, I need book with examples(and the solutions) that will help me to practice the things I learn from Serge Lang-Basic Mathematics. I don't know how exactly these are called in English. Workbooks? It's not necessary to be book only with problems, it can be something like this one but with more...
  30. F

    I Open problems and conjectures in Mathematics

    I know this can be a silly question but it's a curiosity of mine and I have no idea what the answer is, so I'll ask anyway. The question is: How many open problems and conjectures are there in Mathematics currently ? I'm sure nobody knows the exact number but an approximation would be nice...
  31. Math Amateur

    History of modules in mathematics ....

    I would like to read a book, the chapter of a book or a website article (preferably comprehensive) on the history of the concept of a module and the development of the theory of modules in mathematics ... Can anyone help with some good references ... Peter
  32. jedishrfu

    B The Fields of Mathematics Video

    Dominic Walliman's video summarizes the various fields of maathematics in a wonderfully short video: http://sploid.gizmodo.com/take-a-quick-tour-of-the-mind-boggling-universe-of-math-1792041367
  33. A

    What was the cost of a Soviet high school math textbook in 1976?

    I have been learning how to read scientific Russian, and my reading material is the Soviet high school math textbook Algebra and Beginning Analysis, (1976), edited by Kolmogorov. (I've seen the title also translated as Algebra and Elements of Analysis). The Russian title is Алгебра и Начала...
  34. unseeingdog

    I How are physics theories discovered?

    I often read about how famous theoretical physicists have made ground-breaking contributions to physics, but I always end up wondering how they are able to "discover" something that they have never seen or experienced. I believe that it has to do with the application of mathematical theories to...
  35. W

    Courses Mathematics in Physics vs Business/Econs

    Hi guys, I'm whether or not the difficulty in undergraduate business /economics mathematics matches up to that of physics, or even vice versa. This is mainly because I'm trying to make decision on whether or not to take up business/economics as an elective course alongside my Physics major...
  36. Liam Lau

    Studying Studying Physics or Mathematics content first?

    Hi, I'm a student in the UK and am going on to study Physics at university next year. I enjoy self-study and was wondering which approach would be best, whether to read the physics content first or learn mathematical techniques first ( real and complex analysis etc.) Moreover, I wasn't sure...
  37. akaliuseheal

    System of 2 Equations: Homework Statement and Attempt Solution

    Homework Statement [/B] It's a system of 2 equations. Homework EquationsThe Attempt at a Solution My attempt is not worth writing here. Results I got using Microsoft Mathematics without showing me step by step.
  38. S

    I Discrete Mathematics Function Topic

    I am currently taking a course in discrete mathematics. The literature used is "Discrete Mathematics And Its Applications by Kenneth H. Rosen" 6th ed., or 7th ed. I have encountered most of the topics from that book. I.e. Logic, naive set theory, &c. What I have encountered also is the...
  39. zexxa

    Calculating uncertainty with a set of angles

    Homework Statement Hi there, the issue I'm having right now is finding the right way to calculate uncertainties when trigonometric terms come in play. The question goes like this, we're given 2 sets of 5 angles in degrees, the incident angle (10.0, 20.0, 30.0, 40.0, 50.0) and the other is the...
  40. franktherabbit

    Find the limit of the expression

    Homework Statement $$\lim_{x\to\infty} \left(\frac{n^2+2n+1}{n^2+2n+3}\right)^{\frac{2n^2}{n+1}}$$ Homework Equations 3. The Attempt at a Solution [/B] I tried ##\lim_{x\to\infty} \left(\frac{n^2+2n+3-2}{n^2+2n+3}\right)^{\frac{2n^2}{n+1}}=## ##\lim_{x\to\infty}...
  41. S

    Programs Is BSc in Mathematics and Physics a waste of time?

    Hi, Can someone explain what the appeal is of a joint subject degree such as BSc Mathematics and Physics? Logic dictates that you will not get proficient at either, so what are the benefits of such a programme? You would be stuck in the middle knowing a little bit of both but not enough of...
  42. V

    Mathematical Base for a mechanical engineering undergraduate

    Hello PF friends, My name is Visakhan,and I'm presently pursuing my BE in Mechanical Engineering in India. 3/4 way through the course now,But I feel unsatisfied with my grasp of mathematics and programming. I scored marks and passed the examinations,but i don't get that feeling of satisfaction...
  43. G

    B A question regarding multiples of 3

    Why doesn't any odd multiple of 3 can give "24-1(x2-1)=y" as a result (y) a natural number? Obviously no even number will make "y" a natural number, but all of the odd numbers do, but odd multiples of 3 (3, 9, 15, 21, 27...). x=1⇒y=0 x=3⇒y=1/3 x=5⇒y=1 x=7⇒y=2 x=9⇒y=10/3 x=11⇒y=5 x=13⇒y=7...
  44. dsatkas

    Entertaining and fun books about mathematics for liberal arts student

    I’m looking for books of a general interest in maths, like a maths novel, a fun book about maths, a humorous introduction to higher concepts, something outside of tests, something they can read on their free time and appreciate the beauty of mathematics. Let me add more details. I’m working as...
  45. T

    Applied Mathematics Problem

    Hi! New to this forum and signed up because I've just started a foundation degree in mechanical engineering, and having been out of education for a very long time beforehand, getting back to grips with mathematics and the like! Anyway, I would like to ask for some advice on this problem, I know...
  46. U

    Engineering Getting An Internship after getting B.S. in mathematics

    A few years ago, I graduated from Wheaton College with a B.S. in Mathematics; my objective is to be a mathematician in engineering that helps mechanical engineers with their mathematical/statistical modeling. Since I graduated, I have been looking for internships in Chicago: Unfortunately, I...
  47. Timvizz95

    Studying How Can You Effectively Teach Yourself Algebra and Beyond?

    This is my first post on the forums, Hello! my names Tim, nice to be on here! I will keep this as short as possible. In high school, I hated math and loved science. Its a story I hear often. I was bad at math, or maybe it just wasnt introduced to me correctly. It took a lot of soul searching...
  48. Indiana

    Studying Can I solve research problems with only BS in Mathematics?

    Currently I'm undergrad in Mathematics and confused about getting a Phd. I'm not interested in academia. I'm more interested in startups or jobs in the industry. The only thing that is making me to do PhD is solving research problems. Say I'm reading a machine learning book or QFT book or a...
  49. Josep

    Courses Should I retake Real Analysis I?

    Hi all, I am currently in my first semester of my sophomore year, taking Real Analysis I. This class covers formal proofs, properties of the real line, sequences, series, limits, continuity and differentiation, and Riemann Integration. I apparently got stuck with the worst professor at my...
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