General Math Forum

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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.

Math Proof Training and Practice

A gap in resources that should help students visualise mathematics

Math Guides, Tutorials and Articles

MHB Deriving the first and second order Newton-Cotes formulas

Math Problem of the Week

Undergrad Sum of an Alternating Series
High School How to avoid arithmetic and sign errors
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MHB Need help finding Diagonals of a Rhombus
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Undergrad Principal difference between complex numbers and 2D vectors revisited
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Undergrad Karatsuba multiplication implementation question
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High School Help for Trig or geometry? Where can i find the help?
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MHB Fraction word problem: how many rows are devoted to each plant
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MHB When the function is not constant
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MHB Partial fraction decomposition (x-3)/(x^2+4x+3)
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High School Proof of Cyclic Quadrilateral AEDT in Circle ABCD
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MHB How Can I Factorize the Equation x^3-7x^2+14x-8=0?
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MHB Introductory Algebra Percentage Word Problem
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MHB How many marbles are in a jar?
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High School Is math truly a universal language?
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MHB Converting Decimal to Hexadecimal for Compass Corrections
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Undergrad How to visualize the maths behind a formula?
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Undergrad Nested expressions as compositions of functions?
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MHB Adding in Base 20: 1HE1C +JDF0 = 2H7GC
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High School The Mathematician Who Never Was
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Undergrad Why don't we emphasize the beauty of math much more than we do?
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MHB Digit sum rule for the divisibility by 9
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MHB Calculating Total Cost with Variable n: C = 7500 + 8n
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High School Understanding Horner's Method: A Brief Explanation for Confusion
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MHB Number Theory Images for Elementary Course
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Undergrad Can I Use a Natural Log Function for Least Square Fitting?
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Undergrad [ASK] Mathematical Induction: Prove 7^n-2^n is divisible by 5.
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High School Number Theory Image: Hooks for Elementary Courses
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MHB Help with factoring trinomials
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MHB Partial fraction problem (x^2)/[(x-2)(x+3)(x-1)]
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MHB How do i factorize x^3 -5x^2+8x-4?
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MHB Is a Number Divisible by 15 and 18 Also Divisible by 27?
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Undergrad Is There a Way to Override Reserved Symbols in Webpage Code?
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MHB [ASK} Prove (cos2x+cos2y)/(sin2x−sin2y)=1/tan(x−y)
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Undergrad Why a is not equal to zero in this pair of straight line equations?
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High School Parabola vs Hyperbola, why does a Hyperbola have two foci/curves?
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MHB What is the area of Angular Land below sea level?
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Undergrad A matter of style? Algebra, Arithmetic, Variables
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MHB Calculate the length of the fourth side edge.
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Photo Contest - Obtuse Angle (11/16-11/22)
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MHB Find Length of Side in Right Triangle w/ 45°, 90°, and 45° Angle
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Undergrad Two Dimensional Coordinate Plane with Distance as Third Dimension
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Undergrad Is dealing with large numbers as formula a thing? and how is it done?
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MHB What is the Unexpected Discovery in Basic Math?
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Undergrad What's the formula? - eigenvectors from eigenvalues
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MHB Golden section and yin-yang symbol proportions
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Undergrad Classify the isomorphism of a graph
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MHB Analytic geometry proof with triangle.
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Insights SOHCAHTOA: Seemingly Simple, Conceivably Complex
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Undergrad Odd/even functions and fractional indices
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Undergrad Proof of mathematical theorems
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Graduate When Calculators lie will anyone notice?
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MHB -gre.ge.3 Circles Find the shaded area as a fraction
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MHB [ASK] Addition of Fractions: 1/3+1/6+1/10+1/15+1/21+....+1/231
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MHB Proving Inequality: $\frac{1}{ab+bc+ca}\geq\frac{27}{2(a+b+c)^2}$
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High School What is the role of Thales' Theorem in the proof of Brahmagupta's Theorem?
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Undergrad Can Math Be Fully Translated and Solved Through Conversation Alone?
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High School Geometry puzzles: Math with Bad Drawings
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MHB [ASK] Minimum Dimension of a Map
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Graduate Can this proposition be proved in the Collatz conjecture?
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High School Decomposition of a function into even and odd parts
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MHB Multiple Transformations of Functions
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Any book/resource/compilation of mathematical and physics notation?
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High School How to calculate time with delta-v and velocity?
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Undergrad Simple notation question O(2pi)
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Undergrad A Snippet of History: Application of Ptolemy's Theorem
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MHB Height/diameter relationship of 19 (H8/D8=19)
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Undergrad Proving Zero is Positive or Negative
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Graduate Need help understanding Lambda Twist method for camera localization?
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High School Why do we care about trig identities?
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MHB Problem solving calculating area
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Undergrad Product with an undefined term
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MHB Rover's Friends: Calculating the Break-Even Price for Dog Washing
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MHB Prove Triangle Inequality: AB/MZ + AC/ME + BC/MD ≥ 2t/r
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MHB Check if two points are symmetrics/asymmetric
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MHB Calculating Boat Costs: Splitting 60/40 & Time Usage
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MHB "How Much Money Do I Need for Transport to Visit Chris and John?
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Undergrad Fundamental Theorem of Algebra: Proof
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Undergrad Approximate Intelligence Quotient Gauge
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High School Calculating trigonometry without calculator?
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High School Help understanding continuing fractions
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MHB How Can You Solve for y in the Equation $(a+b)^{a+b} = a^a + y$?
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MHB Evaluating/Simplifying an Expression
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High School Odd or Even? -1/x: Origin Symmetric?
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High School Mixing two discrete audio signals
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MHB [ASK]Quadratic Inequation (log_2x)^2+4>5log_7x+log_3x^2
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MHB Calculate Selling Price for Cucumbers inc. VAT (42% Profit Margin)
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MHB How Do You Calculate the Slant Height of a Cone?
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MHB Motion along a straight line by a car
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MHB High school inequality 2 |x^2y-a^2b|<A
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MHB Please help for binomial expansion (2x-1/(2x^2))^9
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Undergrad How can I go from sine to cosine using exponential numbers?
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MHB F(x)=ab^{x} where b must be a positive real number
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MHB Value of b, y-intercept of Quadratic graph
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MHB Is the Sum of Three Cubes Solved for the Number 33 by a Planetary Supercomputer?
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MHB Simplify a+b+c+d+2(ab+ac+ad+bc+bd+cd)+4(abc+abd+acd+bcd)+8(abcd)
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Mathematician Daniel Tammet counts pi to 22,500 digits
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MHB [ASK] Equation of a Circle
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MHB High school simple algebra word problem
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High School Did Ramanujan's work look like crackpottery?
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MHB Rearranging formula 3y + x = -1
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MHB Prove Quadrilateral Divider: Equal Area & Perimeter
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