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 the Real-World Applications of Perfect Numbers Beyond Mersenne Primes?
- matqkks
- · Replies 2 ·
Simultaneous Equations Challenge
- anemone
- · Replies 4 ·
Undergrad Why is RMS used for averages when considering a sine wave?
- iScience
- · Replies 4 ·
Determine if you have enough information to figure question.
- clhrhrklsr
- · Replies 12 ·
High School Formula for missing person's weight from team of 5
- 20GT
- · Replies 22 ·
What is x when c is at maximum?
- Wilmer
- · Replies 2 ·
Is the Inequality of Series Proven with 1 to 99 and 2 to 100?
- Albert1
- · Replies 2 ·
Prove Inequality: $18<\sum\limits_{i=2}^{99}\dfrac 1{\sqrt i} <19$
- Albert1
- · Replies 2 ·
No Integer x for Which $P(x)=14$ Given Four Integer Values of $P(x)=7$
- kaliprasad
- · Replies 2 ·
System of Equations: Find Real Numbers $p,q,r,s$
- anemone
- · Replies 1 ·
Can You Crack the Polynomial Challenge VII? Prove 4 Distinct Real Solutions!
- anemone
- · Replies 2 ·
High School What is an affine function?
- gfd43tg
- · Replies 1 ·
Finding the angle opposite the R
- Drain Brain
- · Replies 1 ·
Finding the Resultant Angle for Vector Addition Using Law of Sines and Cosines
- bergausstein
- · Replies 4 ·
Finding the speed of an aeroplane
- wrightarya
- · Replies 6 ·
How do I find the golden ratio in a geometric sequence?
- wrightarya
- · Replies 1 ·
Undergrad How Does Mathematical Induction Work?
- ineedhelpnow
- · Replies 26 ·
Remainder of $\dfrac {19^{81}+19^{49}+19^{25}+19^9+19}{19^3-19}$
- Albert1
- · Replies 1 ·
Where to Find New Math Materials from the 1960s?
- LeoSmolka
- · Replies 3 ·
Finding tanagram piece dimensions without midpoint assumptions
- jljarrett18
- · Replies 2 ·
Determine if you have enough info to figure a side
- clhrhrklsr
- · Replies 4 ·
Graduate Can Different Types of Infinities Coexist in Mathematical Reality?
- sludger13
- · Replies 27 ·
Graduate Congruence statements, with a statement of percentage
- 1MileCrash
- · Replies 2 ·
Graduate The most beautiful chain of equalities I have ever seen
- epr1990
- · Replies 1 ·
High School Polynomial long division -- How does it work?
- TheSodesa
- · Replies 14 ·
How do you add and subtract measurements?
- clhrhrklsr
- · Replies 17 ·
Polynomial Challenge V: Real Solution Implies $p^2+q^2\ge 8$
- anemone
- · Replies 4 ·
What Are the Variable Restrictions in the Equation 5/x = (10/3x) + 4?
- rynesdad5
- · Replies 2 ·
Undergrad Proof of PSF quadratic factorising
- bairdos
- · Replies 1 ·
Problem on finding least number
- burgess
- · Replies 3 ·
What integer makes $(x-a)(x-10) +1$ factorable as $(x+b)(x+ c)$?
- kaliprasad
- · Replies 7 ·
High School Why is the hyperbola round at the bottom?
- davidbenari
- · Replies 4 ·
Undergrad Why does modular arithmetic need integers for multiplication but not addition?
- davon806
- · Replies 7 ·
What is the area of a parallelogram without knowing the height?
- jljarrett18
- · Replies 11 ·
Undergrad How Do I Simplify the Right Side of the Mathematical Induction Equation?
- Hazel
- · Replies 9 ·
Find the Max of $PC$ in $\triangle ABC$
- Albert1
- · Replies 1 ·
Find Sum of Diagonals of Pentagon $PQRST$
- anemone
- · Replies 5 ·
Prove $\frac{1}{AB}=\frac{1}{AC}+\frac{1}{AD}$ in Geometry Challenge
- M R
- · Replies 2 ·
Find the sum of all real solutions
- anemone
- · Replies 5 ·
Graduate Koch Snowflake Proof by Induction.
- 96hicksy
- · Replies 1 ·
Calculation of angles in normal anatomical curved bones that are fractured.
- thormunch
- · Replies 1 ·
Can You Prove the Floor Function Challenge for Real Numbers?
- anemone
- · Replies 4 ·
Deferred Periodicity of a Number
- kaliprasad
- · Replies 2 ·
Undergrad Need digital root calculation for large numbers
- 9I.
- · Replies 1 ·
Why did Sophie Come Up with Germain Primes?
- matqkks
- · Replies 2 ·
Finding a³ − 1/a³ given a⁴ + 1/a⁴ = 119
- soroban
- · Replies 1 ·
Undergrad What are some examples of exact forms of the golden ratio?
- mesa
- · Replies 2 ·
Simplifying Complex Math Expression
- ineedhelpnow
- · Replies 2 ·
Graduate How can a transcendental number be a base?
- p1l0t
- · Replies 6 ·
Quadratic equation x² + (2 − tan θ)x − (1 + tan θ) = 0 with integral roots
- Saitama
- · Replies 9 ·
Can you factor x² + y² without a perfect square 2AB?
- Dethrone
- · Replies 7 ·
What does it mean for expressions to be non-integral and non-rational in a variable?
- Drain Brain
- · Replies 1 ·
Growing herbs at home
- Albert1
- · Replies 4 ·
Undergrad Why Do Different Prime Number Variations Occur in Equal Frequencies?
- Bob3141592
- · Replies 2 ·
Undergrad Online calculator that can form an equation of a curve
- Ledsnyder
- · Replies 1 ·
Algebra Challenge: Prove $\dfrac{2007}{2}-\ldots=\dfrac{2007}{2008}$
- anemone
- · Replies 1 ·
What Are Essential Tips for Hiking in the Woods?
- Albert1
- · Replies 2 ·
What is the Multiplication Rule for AD and CD in a Circle with a Diameter BE?
- Albert1
- · Replies 2 ·
Max Area of $\triangle ABC$ with $AB=AC$ and $BD=m$
- Albert1
- · Replies 3 ·
How to Create an Online Store for Your Business
- Albert1
- · Replies 1 ·
How to Determine the Vertex of a Parabola?
- Amer
- · Replies 3 ·
High School Good tutorials on Algebra II, trig and calc?
- Nerdydude101
- · Replies 4 ·
Undergrad Why Did Sophie Germain Discover Germain Primes?
- matqkks
- · Replies 1 ·
Graduate Is Pi a rational number in any other base besides base Pi?
- p1l0t
- · Replies 19 ·
Index Refraction Yell Light Sodium Lamp Liquid 1.92E8m/s
- skinnermitch
- · Replies 1 ·
Undergrad Converting equations to linear equations?
- christian0710
- · Replies 4 ·
What Are the Real Solutions to This Complex Quadratic Equation?
- anemone
- · Replies 4 ·
Chapter 36 Problem #9 Diffraction
- Federico1
- · Replies 1 ·
Finding conditions for which an inequality holds
- kalish1
- · Replies 1 ·
Undergrad Why Should You Avoid Assumptions in Math?
- airbusman
- · Replies 19 ·
Minimum value of $a$ for Quadratic Polynomial
- anemone
- · Replies 8 ·
Solve Trig Challenge: Find All Values of x
- anemone
- · Replies 2 ·
Which is Larger: $2005!$ or $2^{18000}$?
- anemone
- · Replies 2 ·
30-60-90 triangle side lengths
- jimhayes
- · Replies 1 ·
FE 1D method and hat functions
- Carla1985
- · Replies 10 ·
Solving System of Equations using Substitution or Elimination
- Hazel
- · Replies 10 ·
Find Number b/w 1000-2000: Impossible Sum of Consec. Nums
- kaliprasad
- · Replies 2 ·
Understanding Kinematic Relative Motion: Solving Problem 1
- leprofece
- · Replies 3 ·
Sexagisimal and centisimal system
- Drain Brain
- · Replies 7 ·
High School How is prime number programmed
- rajeshmarndi
- · Replies 8 ·
Can the Polynomial $x^7-2x^5+10x^2-1$ Have a Root Greater Than 1?
- anemone
- · Replies 6 ·
How can I convert degrees to grades using a conversion factor?
- Drain Brain
- · Replies 1 ·
Graduate Conne's indexing construction for Penrose tilings
- nomadreid
- · Replies 2 ·
Book Solving Complex Math Problems
- leprofece
- · Replies 1 ·
Air Race from Metropolis to Aniba Gothic and Back
- leprofece
- · Replies 1 ·
I do not recognize:$$B=\frac{\mu_0 I R^2}{2 R}$$Where did you find it?
- nerdsamurai22
- · Replies 1 ·
Finding thermal energy from ion beam in a mass spectrometer
- claire1
- · Replies 2 ·
Converting phasor 169∠-45° at 60 Hz to sinusoid form
- bryanhpaul
- · Replies 2 ·
Math vs Physics: Which is Better? Opinions?
- Matterwave
- · Replies 3 ·
Graduate Reverse-engineer fractal resampling process
- deadrabbit
- · Replies 2 ·
Geometry and Trigonometry Challenge
- anemone
- · Replies 2 ·
Find the greatest positive integer
- anemone
- · Replies 2 ·
What is the bearing and distance between cities A and C?
- Jerome1
- · Replies 2 ·
Sequence Challenge: Find $a_{61}+a_{63}$
- anemone
- · Replies 1 ·
Divide a big cube into 49 small cubes
- Albert1
- · Replies 3 ·
High School Convert Psi to Lbs: How Much Can 10,000 psi Lift?
- dnesnej
- · Replies 1 ·
Solving the Diophantine Equation $a^4 + 79 + b^4 = 48ab$
- anemone
- · Replies 4 ·
Solving an Elusive Problem: Seeking Inspiration from MHB
- anemone
- · Replies 9 ·
Oddity of $\left\lfloor{(2+\sqrt3)^n}\right\rfloor$ for All $n \in \mathbb{N}$
- kaliprasad
- · Replies 4 ·
Undergrad How to invent a mathematical theory
- hatemalnaggar
- · Replies 26 ·