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 List of Online Calculators for Math, Physics, Earth and Other Curiosities
- fresh_42
- · Replies 0 ·
Undergrad Is infinity a necessary concept?
- FermisPairOfDucks
- · Replies 79 ·
Undergrad Descartes’ Geometry of Square Roots
- bob012345
- · Replies 38 ·
Undergrad Meaning of division by non-whole real numbers
- logicgate
- · Replies 14 ·
Undergrad Solving the chess game (quantum computer wise)
- loop quantum gravity
- · Replies 14 ·
An intuition I had about infinite numbers -- Is it valid?
- mr3000
- · Replies 2 ·
High School Having trouble understanding the incompleteness theorem
- BadgerBadger92
- · Replies 4 ·
Insights AI Enriched Problem Solving
- Greg Bernhardt
- · Replies 30 ·
Undergrad Can anyone solve this age problem?
- Curious Kev
- · Replies 38 ·
High School Why does continuity still feel weird?
- RicoGerogi
- · Replies 21 ·
Undergrad Limit behaviour of Fibonacci sequence
- PeroK
- · Replies 4 ·
High School Geometry Puzzle: Cut The Figure to Make Two Identical Parts
- bob012345
- · Replies 21 ·
Graduate Is my reasoning sound for challenging this exploratory analysis?
- mattmaci
- · Replies 5 ·
High School Kilometers to Miles Numerology
- kuruman
- · Replies 6 ·
High School Does this equation (Einstein’s field equations in general relativity) equal 12?
- BadgerBadger92
- · Replies 33 ·
Undergrad The natural numbers and logical consequences of them
- mr3000
- · Replies 18 ·
Undergrad Semi-Circles Within a Circle
- bob012345
- · Replies 6 ·
Undergrad Why should we need to re-prove theorems that have been proved already?
- Mike_bb
- · Replies 3 ·
High School Ant on a stretchy rope puzzle
- DaveC426913
- · Replies 38 ·
Undergrad Is this proof "by contradiction" or "by contrapositive"?
- Hill
- · Replies 7 ·
Undergrad Infinity and 0 (null set) do not exist
- MDH72
- · Replies 14 ·
Undergrad A Very Gentle Approach to Thinking About Hyperspheres
- bob012345
- · Replies 11 ·
High School Multiplication and Division by Numerical "Trituration"
- dom_quixote
- · Replies 5 ·
High School Distance between points on two circles
- LucKy
- · Replies 3 ·
High School Four Circle Problem
- bob012345
- · Replies 9 ·
Challenge MIT Announces the Largest Collection of Olympiad Math Problems
- jedishrfu
- · Replies 2 ·
Graduate A neat fact regarding Cauchy problems for infinite systems
- wrobel
- · Replies 3 ·
High School Example of a model for a function
- Ssnow
- · Replies 6 ·
High School This One Moved Me
- bhobba
- · Replies 12 ·
High School Abel Prize awarded, 2026, to Gerd Faltings
- WWGD
- · Replies 1 ·
Graduate About a natural extension of Collatz conjecture
- coquelicot
- · Replies 3 ·
High School Potato paradox
- Gavran
- · Replies 28 ·
High School Three Squares Problem
- bob012345
- · Replies 10 ·
Undergrad Solving ##a^b## and ##b^a## via the Lambert Function
- jedishrfu
- · Replies 5 ·
Undergrad Comparing ##a^b## and ##b^a##
- PeroK
- · Replies 19 ·
Undergrad Three Circle Problem
- bob012345
- · Replies 14 ·
Graduate A global version of the implicit function theorem
- wrobel
- · Replies 1 ·
Geometric Game: Fun With Matches (Safe!)
- bob012345
- · Replies 40 ·
Undergrad What is the most impactful way of introducing Laplace transforms?
- matqkks
- · Replies 6 ·
Undergrad Computable sequence of rationals with a noncomputable limit
- Hill
- · Replies 8 ·
High School The parallel axiom, Stillwell's "Reverse Mathematics"
- Hill
- · Replies 16 ·
Graduate Open problems and suggestions of great mathematical journals
- V9999
- · Replies 10 ·
Undergrad Find the Number of Triangles
- bob012345
- · Replies 33 ·
High School Area of Overlapping Squares
- bob012345
- · Replies 10 ·
Insights What Exactly is Dirac’s Delta Function? - Insight
- Greg Bernhardt
- · Replies 33 ·
Undergrad Trigonometry problem of interest
- Charles Link
- · Replies 81 ·
High School More similar triangle problems
- DaveC426913
- · Replies 23 ·
Undergrad Polynomial vs. Exponential time
- senmeis
- · Replies 2 ·
Undergrad There are only finitely many primes
- martinbn
- · Replies 7 ·
Undergrad Midpoint(s) of the unbounded number line
- tomwilliam
- · Replies 15 ·
High School Arithmetic and our place value system
- mark2142
- · Replies 6 ·
High School Can Six Pencils Be Arranged to Each Touch the Other Five?
- bob012345
- · Replies 30 ·
Undergrad Video on imaginary numbers and some queries
- PainterGuy
- · Replies 3 ·
High School Imaginary Pythagoras
- DaveC426913
- · Replies 13 ·
High School Happy Pythagorean Day!
- Astronuc
- · Replies 8 ·
Insights Fermat's Last Theorem
- fresh_42
- · Replies 105 ·
Undergrad Useless continued fraction for 1
- jostpuur
- · Replies 6 ·
Undergrad Proving Newton's forward difference interpolation formula
- PLAGUE
- · Replies 1 ·
Undergrad Geometry problem of interest with a 3-4-5 triangle
- Charles Link
- · Replies 59 ·
High School What could prove this wrong? I'm having a dispute with friends
- ducknumerouno
- · Replies 94 ·
Graduate RIP Yvonne Choquet-Bruhat (1923-2025)
- robphy
- · Replies 4 ·
High School Videos of 4D Die and Sphere
- Hornbein
- · Replies 3 ·
Graduate Article about 17 year-old math talent
- jasonRF
- · Replies 1 ·
Undergrad The Mathematical Wizard, A House's Windows, And Solar Flux
- Young101
- · Replies 4 ·
Graduate Lectures on integral invariants and Hamiltonian equations
- wrobel
- · Replies 16 ·
Insights Fixing Things Which Can Go Wrong With Complex Numbers
- PAllen
- · Replies 7 ·
Graduate Is this Recursive Pattern in the Collatz Sequence Known?
- MrHellmet
- · Replies 3 ·
Undergrad Why fixed point iteration of ##x^3 = 1-x^2## doesn't converge when ##x_0= 0##
- PLAGUE
- · Replies 16 ·
High School Excel: converting a 3-ish week count into a monthly count
- DaveC426913
- · Replies 15 ·
High School Geometry Puzzle with 20 points in a cross pattern
- bob012345
- · Replies 31 ·
High School What is the deepest/most impactful statement that you have ever seen?
- spaceWizard9000
- · Replies 46 ·
Undergrad Modeled PF Trophies
- AlexB23
- · Replies 14 ·
High School Solving equations but getting an identity - what mistakes were made?
- farfromdaijoubu
- · Replies 4 ·
High School About a definition: What is the number of terms of a polynomial P(x)?
- littlemathquark
- · Replies 48 ·
High School "Land capture" graph paper game
- DaveC426913
- · Replies 13 ·
High School In a triangle, is the angle between the points of contact of the inscribed circle with the sides 120 degrees?
- Antoha1
- · Replies 2 ·
High School How do you multiply fractions again? My brain just froze 😅
- goodcomfort
- · Replies 2 ·
Undergrad How to convince someone that an event repeating an infinite number of times does not guarantee every outcome?
- sairoof
- · Replies 23 ·
Undergrad Can Angular Velocity Accurately Control Ragdoll Limbs in Game Physics?
- MadAce
- · Replies 6 ·
Undergrad ##x\lt y \lt z## positive integer numbers and if ##\dfrac 1x+\dfrac 1y+\dfrac 1z=\dfrac 13##
- littlemathquark
- · Replies 6 ·
High School How Many Straight Lines to Connect an N by M Array of Points in a Closed Loop?
- bob012345
- · Replies 25 ·
High School The Pitcher's Mound
- Hornbein
- · Replies 10 ·
High School Is It Better to Run or Walk in the Rain?
- Pikkugnome
- · Replies 46 ·
Undergrad How were "e" and "pi" found?
- mayflowers
- · Replies 26 ·
Undergrad How was this substitution possible?
- InDireNeedOfHelp
- · Replies 5 ·
High School Are there English names for these formulas? (binomial formulas)
- Trysse
- · Replies 42 ·
High School 1lb cube of 99% pure copper?
- Coulin
- · Replies 10 ·
High School Which conditions should I check to see if a quadrilateral is a square?
- murshid_islam
- · Replies 17 ·
Graduate !?Puzzle?! -Possible Clue- Split the Difference
- Andrew153
- · Replies 12 ·
High School How is it that law of sines does not work in this exercise?
- mcastillo356
- · Replies 70 ·
High School How to prove this for every Arithmetic Progression?
- tellmesomething
- · Replies 12 ·
High School Given an equation, find the value of this expression
- littlemathquark
- · Replies 17 ·
Happy Pi Day!
- diogenesNY
- · Replies 4 ·
High School Understanding the Pythagorean Theorem
- wrong thunder
- · Replies 38 ·
Undergrad Billard balls on table
- littlemathquark
- · Replies 10 ·
Undergrad How is the Euclid Math Contest marked?
- Euthenia
- · Replies 2 ·
High School Estimating ##\pi## with darts
- jack action
- · Replies 15 ·
Undergrad Exploring Interesting Mathematical Puzzles
- wrong thunder
- · Replies 2 ·
Undergrad Can I add any number of zeros to 0.00 ... 1?
- nmz
- · Replies 30 ·
High School Sine Multiplication
- Vilhjalmur Haldorson
- · Replies 5 ·
(Seemingly) Random Sequences
- Monoxdifly
- · Replies 7 ·