General Math Forum

Undergrad Are non-integer moduli useful in modular arithmetic?

Undergrad How to show that Acosx+Bsinx=Ccos(x+a) ?

Undergrad Understanding Spherical Trigonometry: What is it and How is it Used?

High School The period of trigonometric functions

High School What are the x and y intercepts y= x+2/x-7 rational

High School Building a dog house on the side of a shed.

Undergrad Math exercises and resources for physics students

High School Can h be both a function name and a variable in h(t) and t(h)?

Undergrad Intuition behind this algebraic question

Undergrad How is the average value for a sinewave derived?

Undergrad Rockeet going from A to B with least fuel

High School Figuring out first day of a month

Undergrad Finding sine values using the unit circle and hypotenuse slope

High School How much would a trillion dollars in hundred dollar bills weigh?

Undergrad What is the Flaw in the 'Proof' That -1 Equals 1?

High School What is the point of synthetic division?

High School Finding integer solutions logically

Undergrad Can someone explain modulo with fractions?

Graduate Is the sum 1+2+3+4+... really equal to -1/12?

Undergrad What math level teaches turning data points into equations?

Undergrad Smallest multiple of 33 greater than 1,000,000 with only 0s and 1s

Undergrad Solving non-elementary functions

Graduate Solving the Hat Color Problem: Infinite Prisoners, 2 Colors

Graduate Random: Any way to calculate Transcendental numbers using abacus?

Undergrad Can a formula be used to modify data patterns from linear to wave-like?

Graduate Pythagorean theorem in 3D for a truncated cube corner

Undergrad Diff Eq vs Calc 3: Which is Harder?

Undergrad How do you find the moment of inertia of a polygon?

Undergrad Solution to Equation: Rearrange beta in terms of alpha

Undergrad The Chinese Remainder Theorem (the CRT)

High School Rearranging equation of a circle

Undergrad Highest number impossible to make with 6,9,20.

Undergrad How many numbers containing the digit 1.

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Undergrad Is analysis more intuitive than algebra?

Undergrad Scalars, vectors, pseudo-scalars, pseudo-vectors

Graduate Prove Summation Equation: (2^n-1)n for Any Integer n

Undergrad Can You Calculate Angles from Graph Coordinates and Slopes?

Undergrad How Accurate Is a 14-Year-Old's Calculation of the Earth-Moon Barycentre?

Graduate Is My Idea for Proving Mathematical Induction Incorrect?

Undergrad How can Fourier division be used to divide large numbers without a calculator?

High School What does the d constant represent in plane equation nx+ny+nz+d=0?

High School Why add π to tan⁻¹(1/x) when finding cot⁻¹(x)

Graduate How Can a Closed Form for This Complex Difference Equation Be Determined?

Undergrad Solving for x in Large Right Triangle

High School Time of completion (Times Tables)

Graduate Which bifurcation does E8 correspond to?

Graduate Optimum (min/max) of a symmetric function

Graduate Triangulating a concave shape while minimizing thin triangles

Graduate Seven digit base eight positive integer puzzle

High School How is the therefore -sign orientated?

High School Interactive math exersises web (www.emathematics.net) Fantastic

Undergrad Definition of Strong and Weak form of a theorem

Undergrad Simplify quotient of trignometric functions

Undergrad How many right triangles can you create with given coordinates?

High School What are the available video lectures for Calc I & II at NC State?

Graduate Equation of relation that has mulitple y points

Undergrad Number of solutions to summation

High School What is the fifth term in this arithmetic sequence?

High School What is sine and how do I calculate it?

Undergrad Finding the Right Calculus Book for Self-Study

High School Solving for acceleration in d = 1/2 at²

Undergrad Solve for Four Numbers: Sum and Product = 711

Undergrad Find q in F = qVe + (Pe - Pa) * Ae with this simple formula

High School Making integers with exactly four fours

High School How to improve at Mathematics?

Undergrad How can we use Euclid's proof to find infinitely many primes?

High School When is sqrt(a/b) = sqrt(a)/sqrt(b) valid?

Graduate Flow Network Capacity Augmentation

Graduate Can Pi minus e ever equal a rational number?

High School Cool proof i found. seen it b4?

High School How to use formula x-y =m c squared

Undergrad How does the Fourier transform work?

High School Which Lockers Remain Open After Students Toggle Them?

Undergrad Computing sum of reciprocal squares 1/n² + 1/(n-1)² + ... + 1 in Excel

Undergrad Finding quadratic irrationals from their decimal form

High School Understanding Modulus and Absolute Values: Explanation and Examples

Undergrad Why can transcendental numbers be roots of polynomial equations?

Graduate Decimal and nondecimal almost perfect squares of the form aaabbb

High School Understanding Half-Spaces in Typography

Graduate Can 2-Index Recurrence Relations with Constant Coefficients Be Solved Generally?

Graduate What does the notation ∇∏ mean?

Undergrad Finding Equations for Circular Irrigation System

Undergrad Bokmal or Nynorsk in Norwegian mathematical writings.

Graduate What is the Exponential Inverse for Identity Element 1?

Undergrad Practicality of pure math branches

High School Drawing Karnaugh Maps Using Venn Diagrams

High School How Old is Jack in the Jak and Jill Maths Problem?

Undergrad Average dis btwn two points in unit circle

Graduate Finding Summation of n^p with Bernoulli Numbers