General Math Forum

Undergrad Canadian mathematicians model zombie attack

High School Column cross-sectional area (cm2)

Undergrad What Digits Solve the Cryptarithm (THINE)/(EVENLY) = 2/15?

Undergrad Row total and column total puzzle

Undergrad How Do You Decode the Cryptarithm (THIS)/(CLOSE) = 5/12?

Undergrad How many spheres of equal radius can touch one central sphere?

High School How Can You Solve the 3x3 Square and Common Sum Puzzle?

High School Proof Needed for Sin(A+B), Sin(A-B), Cos(A+B), Cos(A-B)

High School How can someone square 191 mentally without practice?

Undergrad What is the Material Conditional Paraphrasing in Logic?

High School Definitions of operation and function

Undergrad What Are the Best References for Learning General Partial Fraction Expansion?

High School The Difference Between Functions And Equations?

High School Geometry (Proof right triangle angle sum is 180)

Graduate Getting the maximum and the minimum with now

Graduate Least squares solution to simultaneous equations

Undergrad Circle with diameter X and I twist the circle into a figure eight

Undergrad How can I explain math to someone who doesn't know math?

Undergrad Arriving at Factorisation: How Is It Done?

Undergrad Distance to Mars: Earth-Mars Equation for Moon-Sized Mars View

Graduate Non duplicate digits and arrangement puzzle

High School What is the Transpose of Y = Sin(x) + Cos(x)?

Undergrad Squares, subsquares and arrangement puzzle

Undergrad Why are they called fundamental theorems if they aren't fundamental to modern fields?

High School How do you find the z-component of vectors in 3D space?

Graduate How can the l1 norm of a linear function be maximized?

Undergrad Where does i² = 1 go wrong in this proof

Undergrad 8-digit number and divisibility puzzle

Undergrad Train station, speed and time puzzle

Graduate Reproduction Issue: Polynomial or Exponential?

Undergrad Proof If 7|(a^2+b^2) then 7|a and 7|b

Undergrad Twelve Sum and Digit Substitution Puzzle

Graduate Is Dividing by Zero Always an Absurdity?

High School How can I find the roots of a cubic equation?

High School How do I solve for t using the Laws of Logs in this algebraic equation?

Graduate Graduate math texts with olympiad-level problem sets

Graduate Abababcb and perfect square puzzle

High School Circle x² + y² - 4x + 6y - 12 = 0 cuts x-axis: which point is A?

Graduate Try using a sterling approximation on the factorial

High School Why the number of days in a month?

Graduate Formulating the Exact Equation for the Double Slit Experiment in Physics"

Undergrad Electric Field: Does a Circular Set of Charges Appear as One?

High School Problem solving websites needed

Graduate Which advanced math courses are favored by top graduate programs?

Undergrad What is the point of Fourier Series if you can do the Fourier Transform?

Graduate Why is the gamma function undefined at z=0?

High School Family of Functions Question?(graph)

Undergrad Rearranging x = tB + (1-t)A to isolate t

High School How to determin the equation of quadratic function?

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High School What Percentage of People Will Pick the Most Voted Option?

High School Understanding some of the math Olympiad questions?

High School Either I need my head examined or this is worng

Undergrad If y=x^x then what is x in terms of y?

Undergrad A prime number which equals prime numbers

High School Greatest common divisor of fractions and decimals

High School Why is x^(1/2) equal to √x?

High School Understanding Point Functions in Mathematics

Undergrad HelpHow functions are driven from graphs?

Undergrad Can an expression with derivatives be a closed-form expression?

High School Assuming something is equal to 1

High School Why doesn't √(x²) = ±√9 when solving x² = 9?

Graduate Graham's Number compared to anything?

Graduate Is the sum of binomial coefficients C(2n,2x) exponential in 2n?

Graduate Actual infinitesimal, actual infinity

Undergrad Discriminant of General Quadratic Equation

Undergrad Fulcrum of 1 weight versus mass of board

Undergrad 3^x+4^x=5^x Conceptual Question

Undergrad Can Prime Colors Form a Basis for Color Space?

Undergrad Three components of a vector representation

Undergrad Why are some equations not solvable?

Graduate Define negative numbers to be greater than infinity

Undergrad Euler Problem #14: Find Longest Chain <1M

Undergrad How is computational complexity determined?

Undergrad Why Does RSA Encryption Return the Original Number?

Undergrad General quadratic equation and conic section classification

High School Why Do We Introduce Constants in Proportional Relationships?

Graduate Solving Cubic Equations with Chebyshev Roots

High School What Defines a Number as Correct or Incorrect in This Mathematical Challenge?

Undergrad Checking if Point Lies on Nurbs Surface

Undergrad Self-learning mathematical physics beyond popular science books

Undergrad Will the Hailstone Sequence Always Converge to 4, 2, 1?

Undergrad Is the Sum of Two Periodic Functions Always Periodic?

High School How does this website read your mind.

Undergrad Parametric Equations The Point?

High School What is 'Subjective Mathematics' on the GRE Exam?

High School What is SOH-CAH-TOA used for in trigonometry?

High School Doing binary arithmetic in Windows Calculator and

Graduate What are the differences between Blum and Kolmogorov complexities?

Graduate Step in fourier transform derivation

Undergrad Hamming Distance: What is Max. Distance Between Binary Strings?

Undergrad Solving log9(p) = log12(q) = log16(p+q) for q/p

Undergrad Who first associated n-tuples with vectors?

Graduate Partitioning a 2D grid into contiguous regions with balanced object counts

Undergrad Components of a physical quantity: orientation, position and direction

High School How Many Squares Fit in 1000.25mm Square? Ask Aaardvark!