Join in expert discussion on general math topics that are not applicable to the specific categories. This includes topics are usually high school math level. Homework help is available.
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Undergrad What are quaternions and ow can they be used?
- JungleJesus
- · Replies 4 ·
Undergrad Which areas of pure math are less abstract than others?
- tgt
- · Replies 4 ·
High School Why can't \sqrt{30-x^2} be simplified to \sqrt{30}-x?
- 0tt0UK
- · Replies 16 ·
Undergrad Riemann prime distribution for dummies?
- GreatBigBore
- · Replies 4 ·
High School How to solve when x is an exponent and a base
- JungleJesus
- · Replies 5 ·
Undergrad Valid Estimation of Square Roots?
- clabulis
- · Replies 7 ·
Undergrad Making the Transition from Basic to Advanced Math
- someperson05
- · Replies 2 ·
High School Order of operations when all sign types are present
- sulemanasif
- · Replies 21 ·
Graduate 2010 Euclid Contest Discussion
- Canada_Whiz
- · Replies 6 ·
Undergrad Proper way to cite your sources?
- Newtime
- · Replies 4 ·
Graduate Codebreaker Wanted~Find the diamonds
- redrooster
- · Replies 15 ·
Graduate Determining Cheapest Food Combinations (Seems like ILP problem, but also not)
- Martin III
- · Replies 4 ·
Undergrad Show that angle A is less than 60 degrees if a < (b+c)/2
- Canada_Whiz
- · Replies 1 ·
How can I get decimal answers on my TI-89 calculator when using pi?
- Ryuk1990
- · Replies 2 ·
Undergrad Convert norms to plane equations
- TheDestroyer
- · Replies 13 ·
Undergrad Symbolic Logic (quick easy question)
- PhysicsILike
- · Replies 6 ·
Undergrad Finding a closed form for the sum of logarithms of factorials
- 3trQN
- · Replies 7 ·
Undergrad Solving equations in sin and cos theta
- holulumaster
- · Replies 4 ·
High School Is the Set of Prime Numbers a Pattern or Something Else?
- symbolipoint
- · Replies 14 ·
High School How Did Mathematics Influence Outcomes in WWII?
- Storm Butler
- · Replies 27 ·
High School Mental techniques for 3-digit subtraction
- mickdriscoll
- · Replies 6 ·
Graduate Rant about University Mathematics
- Gib Z
- · Replies 8 ·
Graduate Can you tie a knot in a frictionless rope?
- mgb_phys
- · Replies 26 ·
Undergrad Is there a general formula for solving cubic equations?
- dfitz1000
- · Replies 9 ·
Undergrad Why do we cancel q instead of squaring it in the electric field equation?
- zeromodz
- · Replies 1 ·
Undergrad How do you generate a mathematical model?
- brushman
- · Replies 2 ·
Graduate Prove Combinatorial Identity: Sum of x^3 up to n
- inneedofhelp5
- · Replies 1 ·
Undergrad Discrete math - links to biology?
- S.N.
- · Replies 3 ·
Goodbye and thank you, Mr. Escalante
- Math Is Hard
- · Replies 6 ·
High School What's the difference between magnitude and pythagorean's theorem
- bogoa
- · Replies 3 ·
Undergrad Finding Points on the Unit Circle
- JungleJesus
- · Replies 6 ·
Undergrad How can I design a survey to study word associations with birds?
- CleffedUp
- · Replies 2 ·
High School Why Do Squaring and Square Rooting Lead to Confusion About Number Signs?
- BruceW
- · Replies 13 ·
Undergrad Grammar Question: Should "then" be used in mathematical statements?
- Fredrik
- · Replies 6 ·
High School How to learn Applied Mathematics?
- Jadaav
- · Replies 9 ·
Undergrad Irrational numbers - incomprehnsible?
- WW_III_ANGRY
- · Replies 39 ·
Graduate Inscribe a polyhedron in an ellipsoid
- TheDestroyer
- · Replies 6 ·
How do you pronounce the name of the author of the popular topology book?
- ehrenfest
- · Replies 9 ·
High School Directrix when talking about an ellipse?
- sponsoredwalk
- · Replies 6 ·
Undergrad Newton's Method- finding only positive zeros
- erkokite
- · Replies 8 ·
Undergrad Can Two Rectangles Form a Disjoint Union of Six?
- AxiomOfChoice
- · Replies 1 ·
Undergrad Can you Conquer Calculus in 5 weeks?
- Poker-face
- · Replies 7 ·
Undergrad Prove that 7^√5 > 5^√7 without calculator
- magic_castle32
- · Replies 1 ·
Undergrad Can a function have two parameters and still retain the property of uniqueness?
- kenewbie
- · Replies 4 ·
Graduate Solving Confusion with Summation Convention - Ian
- iansullivan88
- · Replies 2 ·
Graduate Understanding Gaussian smoothing/filtering
- pamparana
- · Replies 4 ·
High School What is the Expansion of X^n + Y^n When n is Even?
- phymatter
- · Replies 5 ·
Graduate Solving for K in a transcendental equation with nested logarithms
- Bazza2
- · Replies 26 ·
High School Converting Time Difference to Minutes: A Problem for Idiots
- King
- · Replies 3 ·
Undergrad Verifying the Sum of an Arithmetic Progression: Is it -(p+q) or +(p+q)?
- phymatter
- · Replies 1 ·
Undergrad Calculating Height of Resting Ball Using Surface Area and Volume Equations
- ojsimon
- · Replies 8 ·
High School How is Pi Generated? Answers to Your Questions
- Epic Sandwich
- · Replies 6 ·
Undergrad What kind of problem is this and what tools can we use to tackle it?
- LuculentCabal
- · Replies 6 ·
Undergrad Simplifying a fraction with v₁ and v₂ terms
- Brunno
- · Replies 5 ·
Undergrad Why does randomizing latitude and longitude bias toward the poles?
- Abzu
- · Replies 14 ·
Undergrad Is a Point Inside a Tilted Cube?
- DHack
- · Replies 3 ·
High School How Many Conditions Are Needed to Specify a Circle?
- phymatter
- · Replies 1 ·
Undergrad Error in proof that cos⁻¹x + cos⁻¹√(1-x²) = 3π/2
- Mentallic
- · Replies 1 ·
Undergrad Expressing 2kπ ± θ without the ± symbol using (-1)^k
- Mentallic
- · Replies 8 ·
Undergrad A Problem: Actually Doing Math
- Cfire
- · Replies 2 ·
High School How do you solve 3log(x)=6-2x?
- crazylum
- · Replies 5 ·
Math Useless Without Applications?
- tony873004
- · Replies 80 ·
Undergrad Wow, I pitty (don't pitty) my students
- Pengwuino
- · Replies 53 ·
Undergrad Proving that x=2^x can't happen for real x?
- Dragonfall
- · Replies 6 ·
Graduate Short Time Fourier Transform - invertible?
- jiapei100
- · Replies 3 ·
High School What is the numerical value of Pi and why do we celebrate it on March 14th?
- legendarium
- · Replies 2 ·
Google celebrates pi day with math fun
- Borg
- · Replies 19 ·
Need a new slide rule? Check out this deal!
- MotoH
- · Replies 12 ·
High School Ways to measure your own height without help
- qspeechc
- · Replies 41 ·
When will Putnam scores be released?
- Newtime
- · Replies 1 ·
High School Is College Algebra and Trigonometry equivalent to Pre-Calculus?
- Poker-face
- · Replies 2 ·
Undergrad Do you need to understand formula derivations in math and physics?
- erok81
- · Replies 11 ·
Undergrad Hyperbolic trigonometric functions in terms of e ?
- Point Conception
- · Replies 6 ·
High School Solving Algebraic Problems with Non-Defined Terms: Real World Significance?
- Wannabeagenius
- · Replies 6 ·
Undergrad Calculating Position on a Trajectory - Derivation of Equation of Motion
- Iconate
- · Replies 6 ·
Undergrad Triangular numbers - Roots with bases other than 1
- Narf the Mouse
- · Replies 1 ·
High School Trigonometric sum-difference formula for absolute values
- xooberon
- · Replies 1 ·
Math cake Ideas Answer before 11 pm on 3-10-2010
- Adi123
- · Replies 7 ·
What is the secret behind this math card trick?
- Whalstib
- · Replies 5 ·
High School Is the Inverse Graphing Calculator Accurate and Effective?
- LucasGB
- · Replies 10 ·
High School Formula for Diameter of Cylinder Using Height/Volume.
- Jordin
- · Replies 5 ·
Undergrad Expand (x + y/sqrt[n] + z/n)^2
- Algernon81
- · Replies 3 ·
High School Largest number of hot dogs you cannot make with packages of 8 and 15
- hi-liter
- · Replies 5 ·
High School Square Root of 4: Can it be +2 or -2?
- Taturana
- · Replies 4 ·
High School What number is rational and irrational
- Tina
- · Replies 22 ·
Undergrad Polynomial Expansion: Find Number of Terms in Any Expansion
- heartless
- · Replies 9 ·
High School What is the Geometric Meaning of Adding Equations Side-by-Side?
- Taturana
- · Replies 11 ·
High School How to prove √X is irrational number
- SOHAWONG
- · Replies 8 ·
High School How is the number Pi, derived?
- ruko
- · Replies 4 ·
Undergrad Resuming Math Studies After 9 Years: Advice Wanted
- ptanmoy
- · Replies 2 ·
High School Why does subtracting a number's digit sum always give 9?
- Dave9600
- · Replies 5 ·
Undergrad 1 + 10 + 100 + 1000 + = -1/9
- Unit
- · Replies 9 ·
Graduate Solving quartic equations where x equals cosine of an angle
- natski
- · Replies 4 ·
Undergrad Origin of hyperbolic functions
- SpartanG345
- · Replies 4 ·
High School Why Do Negative Numbers Squared Sometimes Show as Negative on Calculators?
- Sirsh
- · Replies 2 ·
Undergrad Why is 1/0 undefined rather than infinity?
- zeromodz
- · Replies 35 ·
Undergrad Square of Integer: A Different Perspective
- sujoykroy
- · Replies 2 ·
High School Solving Basic Subtraction with Multiple Zeros
- Dav333
- · Replies 5 ·
High School What is the meaning of sine squared in mathematical calculations?
- jamesd2008
- · Replies 3 ·