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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High School Labeling Boxes: Apples, Oranges, or Both?
- bjr_jyd15
- · Replies 6 ·
High School Why Did My Math Answer Get Marked Incorrect?
- UrbanXrisis
- · Replies 9 ·
Undergrad How does autofocus work and what math is involved?
- Dilbert
- · Replies 6 ·
High School Does a median in a triangle create two congruent triangles?
- decibel
- · Replies 3 ·
What's wrong with my calculation?
- Anzas
- · Replies 10 ·
Undergrad Boy Outsmarts Terrible and Awful Sons!
- .....
- · Replies 7 ·
Math Test Question: Guess the Answer
- UrbanXrisis
- · Replies 2 ·
Undergrad How do I refute or prove this?
- Monsu
- · Replies 4 ·
High School How do you solve for cos2x = 2 cosx sinx?
- Maria
- · Replies 32 ·
Graduate Hiegher dimensional Mathematics.
- aekanshchumber
- · Replies 1 ·
High School Solving Non-Linear Systems of Equations: A Simple Method
- bob4000
- · Replies 3 ·
Why is the Irish Lottery considered to have better odds than other lotteries?
- Saint
- · Replies 15 ·
Undergrad Composite Functions: Inverse of f o g?
- Monsu
- · Replies 3 ·
Undergrad Absolute quadratic inequalities.
- Kelvie
- · Replies 4 ·
High School Trig Proofs: Websites for Basic Identities
- quasar987
- · Replies 3 ·
High School Finding intersections when one equation has 2y instead of y
- bob4000
- · Replies 4 ·
High School Can I Teach Myself Trig Just by Reading a Textbook?
- Krazie
- · Replies 24 ·
High School Finding the pattern in Dr. Ray's three-number code
- Casey
- · Replies 37 ·
High School The Secrets of Geometry: A Comprehensive Overview
- chound
- · Replies 10 ·
High School Rotating an image 105 degrees on a polar grid
- mactony
- · Replies 2 ·
High School When i have tan2x = 1 i get two angles
- Maria
- · Replies 2 ·
Undergrad What math courses should I take next semester?
- vsage
- · Replies 4 ·
Undergrad Are Proportional Sides Enough to Prove Equal Angles in Similar Triangles?
- dekoi
- · Replies 2 ·
Undergrad Square of n factorial is greater than n to the power n
- maverick280857
- · Replies 14 ·
Graduate Prove that: e^pi > pi^e, without using a calculator
- Parth Dave
- · Replies 1 ·
High School Convert seconds to nanoseconds on a calculator?
- Arsonade
- · Replies 17 ·
High School How can I use 4, 4, and 4 to result in the number 31?
- turkldo
- · Replies 13 ·
Graduate How Did Viete Solve Roomen's Problem in 1595?
- Ethereal
- · Replies 3 ·
High School What does max{x,y} mean in discrete mathematics?
- bkc82
- · Replies 7 ·
Undergrad Solving two unknowns with sine and cosine terms
- chubsmalone
- · Replies 5 ·
Undergrad Elegant Proof of some summations
- vsage
- · Replies 9 ·
High School Can You Crack This Word Substitution Code?
- Arsonade
- · Replies 9 ·
High School How do you solve a quadrilateral when you know all four angles and one side?
- Physics is Phun
- · Replies 4 ·
Are 70% of Statistics Made Up in Arguments?
- KaneOris
- · Replies 7 ·
Undergrad Slighty off topic, but i'm in need of a decent Book
- Spectre32
- · Replies 15 ·
Graduate A bit weird magnetism problem
- The_Thinker
- · Replies 1 ·
High School How to Solve the Equation 1^x?
- Tombow2558
- · Replies 5 ·
Undergrad 5^(n+1) - 1 = 4*5^n + 5^n -1 ?
- bkc82
- · Replies 3 ·
Undergrad How Do I Solve a Logarithmic Equation with Parameters and Find the Value of x?
- abra
- · Replies 4 ·
High School How do you prove (-1)(-1)=1 formally?
- JasonRox
- · Replies 16 ·
High School Formal definition of what the symbol 0
- abc
- · Replies 9 ·
High School What is the secret code for Dr. Kai's computer system?
- Derivative86
- · Replies 5 ·
Have you ever solved a problem in your dreams?
- hypnagogue
- · Replies 20 ·
Undergrad Constructing an Equation with X, Y, and Z for Desired Result
- mani_narasim
- · Replies 3 ·
High School Circumscribed and inscribed circles of a regular hexagon?
- josephcollins
- · Replies 4 ·
Undergrad What is the equation for solving for alpha?
- physics_dude
- · Replies 3 ·
Undergrad Collatz series and noticed a pattern in the lengths
- Alkatran
- · Replies 4 ·
High School Help with relative velocity vector diagrams
- FateMaster
- · Replies 7 ·
Undergrad Something brought up in class.
- JasonRox
- · Replies 8 ·
Undergrad Sum of gross profits over multiple years with constant growth
- czar13
- · Replies 1 ·
Undergrad Moment of inertia of a polygon
- cigarette
- · Replies 3 ·
High School How to Slice a Donut into 13 Pieces with Only Three Cuts
- terrabyte
- · Replies 16 ·
What is the purpose of this NPR feature?
- MathematicalPhysicist
- · Replies 4 ·
Undergrad Is There a Formula for Fitting a Sum of Exponentials to Data Points?
- Gonzolo
- · Replies 2 ·
Come on PFers, I need your shoe size
- PRodQuanta
- · Replies 82 ·
Graduate Finding f(x) and g(x) from composite function equations
- Kerbox
- · Replies 7 ·
High School Trigonometry sin cos tan Question
- 404
- · Replies 4 ·
Undergrad Speed of a 50.0 kg Box Pulled by 1.50 * 10^2 N Force
- punjabi_monster
- · Replies 4 ·
High School What is the formula for calculating average power?
- Dieter
- · Replies 2 ·
Undergrad Calculating the Coefficient of x^34 in (1+x^2+x^7+x^16)^1000
- FlyingMonkey
- · Replies 6 ·
Graduate Fox, Sheep, Cabbage problem - revisited
- BobG
- · Replies 5 ·
High School Converting Cartesian coordinates to polar form
- Dorita
- · Replies 1 ·
High School Five Rooms Puzzle: Is it Possible?
- discomb
- · Replies 2 ·
High School How do I convert between metric units and what is dimensional analysis?
- chewbocka
- · Replies 8 ·
High School Discounted loan calculation at 10% for six months
- wmosley
- · Replies 1 ·
Undergrad Problems involving finding proofs?
- Alkatran
- · Replies 4 ·
Undergrad Proving N Consecutive Integers Divisible by N
- decibel
- · Replies 13 ·
Undergrad How Can 24 Numbers Be Compressed Into 6 or Fewer?
- Hypercase
- · Replies 5 ·
High School Finding standard form Ax+By=C for a line through two points
- Alkatran
- · Replies 7 ·
High School Converting cylindrical pool volume and mass using unit conversion
- Amil
- · Replies 2 ·
Graduate Weird pattern in exponentiation
- StatusX
- · Replies 3 ·
Undergrad Prove that the square of an odd integer
- Yodums
- · Replies 15 ·
Calculating 2+2: The Answer Revealed
- gabe
- · Replies 27 ·
High School How to use scientific notation
- poolwin2001
- · Replies 2 ·
Graduate Student solves ancient math problem
- Monique
- · Replies 30 ·
Someone good at math triangles and circles?
- Euphoriet
- · Replies 11 ·
Undergrad N for 6 is 6*5*4*3*2*1 but what is 6.1 ?
- tony873004
- · Replies 6 ·
Undergrad How many solutions to the system x^2 + 5y = 30 and x^2 + (y-3)^2 = 9?
- Alkatran
- · Replies 7 ·
Undergrad What is the significance of the relationship between phi and pi?
- Imparcticle
- · Replies 3 ·
High School String of N characters containing M(<N) words
- Vance
- · Replies 11 ·
High School Adding/subtracting in polar coordinates?
- coregis
- · Replies 3 ·
Undergrad Combining two vectors to find resultant and angle
- Baby Einstein
- · Replies 4 ·
High School Significant figures in mixed equations with addition and multiplication
- Baby Einstein
- · Replies 11 ·
High School What are the coordinates of point B?
- xowe
- · Replies 3 ·
High School How to Solve for C and F in a Formula?
- RanCor
- · Replies 3 ·
Graduate Attention all graduate math students
- bfd
- · Replies 5 ·
Undergrad Finding the Largest Triangle in a Polygon: Solutions Needed!
- damrai
- · Replies 7 ·
High School Distance Formula: Find JK Distance to Nearest Tenth
- xowe
- · Replies 3 ·
Undergrad Trigonometry Obscurity: Solving Triangle ABC
- xenogizmo
- · Replies 4 ·
Graduate A property of Chebyshev polynomials
- T.Rex
- · Replies 6 ·
Graduate What is everybody taking this fall?
- fourier jr
- · Replies 21 ·
Graduate Research Suggestions: Prime Number Distribution
- Nebula
- · Replies 1 ·
Undergrad Proving AB is Not Equal to CD in Euclidean Geometry
- Imparcticle
- · Replies 18 ·
Undergrad Equivalent equations and not equivalent answers?
- mewmew
- · Replies 8 ·
N/M Got It to Being Self-Sufficient
- nomi
- · Replies 1 ·
High School Elementary math that professors cant solve
- killerinstinct
- · Replies 43 ·
Predict Questions on Teacher Tests
- Karate Chop
- · Replies 3 ·
High School What are the ages of the host's daughters and his apartment number?
- PRodQuanta
- · Replies 3 ·
High School Iq test if i have two tetrahedral pyramids
- datatec
- · Replies 9 ·
High School SAT math question about arranging trees on intersecting lines
- Zorodius
- · Replies 10 ·