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Abacus Abscissa Absolute Value Abundant Numbers Accumulate Accurate Achiral Acre Acute Ada, Computer Language Add Addend Adjacent Aeon Affine Geometry Agnesi's Witch curve Ahmes Papyrus Alabama Paradox - voting Alchemy Aleph-Null Algebra Algebraic Numbers Algorithm Aliquot Parts "All Models are Wrong" quote Altitude Altitude of triangle, Properties Amblygon Amicable Numbers or Pairs Amplitude Analemma Analogy Angle Angle Bisectors in a Triangle Angstrom (unit of length) Annual Annulus Annus Mirabilis - Newton's Miracle Year Anode - creation of the term Antares Antecedent Anti-Center Antiparallel Aphelion Apoapsis Apogee Apollonius Gasket Apollonius Point Apollonius Problem Apothem Apportionment Approval Voting Apse Apside Arbelos Arc Archimedes Square Dissection Puzzle
Arc Sine or Sin-1 Are Area Argand Diagrams Argument Arithmetic Arithmetical Frames; (old teaching devices) Arithmetic Books, Early American arithmetic Books, First North American Arms of a right triangle, blog about the development of the term Arrive Asses' Bridge Associative Astroid Astronaut Astronomical Unit / AU Asymptote Atlas Atom Aubel's Theorem Average Avoirdupois Axiom Axis B Babylonian Square Root Method Bacon, Francis; stained glass at Wren Library, Cambridge Bakhshali Manuscript Barometer Barrow, Isaac; stained glass at Trinity Chapel, Cambridge Barycenter Baryon Base Bayes' Theorem Bell Curve Bell's Numbers or Bell Numbers Benford's Law Bernoulli's Golden Theorem Bernoulli Numbers Bertrand's Postulate (a prime between n and 2n) The Big Bang bi-gon (two sided polygon?) Billion Bimedian of Quadrilateral Binary Numbers Binomial Binomial Coefficients Bisect Bisectors (ANGLE) in a Triangle Blackboard, History of Additional notes on History of Blackboards and slates Bode's Law Bounds and Butts (land measure) Borda Voting Borrow (in Subtraction) Bottle Imp Paradox Bowditch Curves Box Plot Brachystochrone "Bracket X", or Bracket Function Brahmagupta's Formula Brahmagupta's Identity on the sums of two squares Brahmagupta's Multiplication method Butts and Bounds (land measure) The Bride's Chair Bridge of Asses Brocard's Problem Bruns Constant Bureau C C, symbol for Radians Caduceus Calculate / Calculus Calendar Camera / Camera obscura Cardinal Cardinality Carat Cardioid Caret Carmichael Numbers Carnot's Theorem Carroll's Logic Diagrams (by Lewis Carroll) Carry (arithmetic) Casting out nines Casting out elevens Catalan Numbers Catenary Cathetus Cathode - creation of the term Cauchy distribution Ceiling Function, Census Center Centroid or Center of Gravity Century Ceres Cesaro-Stolz Theorem Ceva's Theorem Cevian Chain or Gunter's Chain Chain Reaction Chaos Check Check methods for arithmetic Chebyshev's theorem.(a prime between n and 2n) Chie-no-ita, Chinese puzzle Chilihedron Chinese Checkers Chinese Postman's Problem Chinese Square Root Method Chiral
Chi Square Choose Chord Circle Circuit Circulate Numbers Circumcenter Circumcircle Circumference Circumscribe Class cloff, commercial discount Clue Coefficient Collatz's Problem Collinear Combinations Commandino's Theorem Commutative Compass Complementary Complete Graph Complete Oriented Graph Complex Fraction Complex Numbers Component Composite & Compound Compute Concurrent Concyclic Condorcet Voting Cone Confidence Interval Confounding Variables (statistics) Congruent Conic Section Conic Surface Conjecture Conjugate Conjugate Angles Consequent Constant Contact Triangle Continuous Converse Convex Coordinates Corollary Correct Correlation Correlation Coefficient Cosecant Cosine Cosines, Law of Cosine Circle (2nd Lemoine) Cosmic Rays Cosmos Coss and Cossists Cotangent Cotes, Roger; stained glass at Trinity Chapel, Cambridge Counting Boards Counting Numbers Crafoord Mathematical Prize Cramer's Rule Crescent Critical Points Cube Cube roots, by hand Cuisenaire rods Cumulative Curator Curtate Cycloid Cusp Cybernetics Cyclic Quadrangles (Quadrilateral) Cycloid Cylinder Cylindrical Projection, MAP D Dart, type of quadrilateral Data/Datum Dean Decade Des Cartes' Circle Thm Decimal Fractions Decimal Point & Decimal Comma Decimal Repeat Bar Decrease Degree Degrees, Why 360 in a circle? de Gua's Theorem.
Deltoid Denominator Derangement Derivative Derive Determinant Deviation Devil's Curve Diagonal Diagram Diameter Diamond Dice / Die Dido's Problem Difference Difference symbol "~" Digit Digital Root Digon (two sided polygon?) Dimension Di-graph or Directed Graph Discount Discriminant Distance Divide Dividend Divide, Symbols for Divisor divisor function, sigmak n Dodecagon Dodecahedron Domain Dollar Dollar Symbol $ Dot as symbol for multiplication Double Dummy Dozen Drawers of Dirichlet Droz-Farny Theorem Duplation and Mediation E e for 2.71828... East Edge Egyptian Multiplication Einstein's Biggest Blunder Electricity Electron Ellipse Ellipsis Ellipsoid Empty Set Enantiomorphic
End of proof symbol, Early American Math Textbooks Eon Eocene Eohippus Equal = , Equal Symbol Equation Equiangular Equilateral Equivalent Ether Euclid's Algorithm at Cut-the-Knot Euler Circuits Euler Line Euler Path or Circuit Euler's Planer Graph Theorem (proof) V+F=E+2 Excenter and Excircle Explementary Exponent Extrapolate F Factor & Factorial Factoring (as in "factoring a quadratic") Fagnano's Problem Fair division of Assets and Obligations, Discrete Math Notes February Fermat Point Fermat's Last Theorem Fermat's Little Theorem Feuerbach's Circle Fibonacci's Identity on the sums of two squares Fibonacci's Sequence Fields Medal The Fifteen Puzzle, a blog about that famous little sliding puzzle game that swept the world.... and a link to a FREE download to play. First Floor Function, Focus Forest (planer graph) Formula Forty, (why there is no "U" in,) Four Fourth Proportional Fractal Fraction Fractional Exponents Fraction Bar Frequency Friday Friendly Numbers Frustum Function Fundamental Counting Theorem Furlong (length) G Galaxy Galley method of Division Gallon Gallows Function, Gamma Function President Garfield's Pythagorean Proof Gas Gaudi Magic Square Gauging Gelosie Multiplication Geoboard Geocenter Geometric Mean Geometry Geometry, Royal Road to? Gergonne Point / Triangle Gibbous (phases of moon) Gilbert, Unit of measure Girard's Thm Gnomen Googol Gougu Rule Grad - angle measurement Grade (of road, etc.) Graham's Number Gram, unit of weight(mass) Graph Graph Paper Graphic Solutions to Quadratic Equations Graph Theory Grave, early unit for Kilogram Greater Than Symbol Greatest Common Factor, Using Euclid's Algorthm at Cut-the-Knot Greatest Integer Function Grebe Point Gross Gunter's chain" Gunter's scale" H Half, 1/2 Half-Period Halma, board game Halmos symbol, Hamilton's Apportionment Method Hamiltonian Circuits Hanoi, Tower of Puzzle Harmonic Mean Harmonic Sequence Hash symbol, # Haversine Hawthorne Effect Heap Paradox Hectare Height HemiSphere Hein, Piet The Helen of Geometers Helium Helix Hermetic Seal Heron's Formula or Hero's Formula Heronian Mean Heron's Problem Heteroscedastic Hex, the game Hexdecimal Hinge Hippocrates Lune Hippocratic Oath Histogram /Histograph History, Notes on Math teaching Hoehn's Thm Hollerith Cards Homoscedastic Hoppity, old Enlish board game Horizon / Horizontal Hornbooks Horsepower Hour Houses and Utilities Problem (proof) Hubble (Unit of distance) Hundred Hyperbola Hyperbole Hypercube Hypocycloid of Four Cusps Hypocycloid of Three Cusps Hypodermic Hypotenuse I i for square root of -1identity and symbol ≡ Ides Idiot IFF symbol Imaginary Numbers Incenter and Incircle Increase Increment Index Induction, Inductive Proof Inequality Symbols Infinitesimul Infinity Infinity Symbol Imperial Gallon Inscribe Int Function Integer Interpolate Interval interquartile range Inverse Sine or Sin-1 Inverse Square Law Iodine Ion - creation of the term IQR Irrational Numbers
Iridium Iris Ishango Bone Isogon - Isogonic Lines, Points, Symmetry Isometry Isomorphic Isomorphic symbol, Isoperimetric Isopleure, Isopleuron Isosceles Italian Method of Division J January Japanese Tangram type puzzle Jefferson's Apportionment Method Jerk Johnson's Theorem Josephus Problems Julia Set K Kaprekar Numbers Karat Kilogram Mass and Force Klein Bottle Kissing Circles Theorem Kite Knot, (Unit of speed) Knots and Knot Theory Kurschak's Theorem Kurtosis L Lame's Numbers Lattice Multiplication latus rectum lb, Pound Law of Cosines Law of Large Numbers Law of Sines Law of Tangents League (measure of distance) Leg Lemma Lemniscate Lemoine Point / Circles Lens (intersection of two circles) Leptokurtic Less Than Symbol l'Hospital's Rule Liar's Paradox Lies, Damned Lies, and Statistics Lill Circle, A Graphic Solution to Quadratic Equations Limacon Limit Line Lissajous Figures ln for natural logarithm Loculus of Archimedes
Locus Logarithm Log-line (instrument for nautical speed) Long Ton Lotka's Law Loxodrome Lozenge Lucas Sequence Ludolph's Number Lune Lurking Variables (statistics) M "m" for Slope Macron Magic Squares Magnetic Declanation Map (first) Magnitude Maltitudes Mantissa Matrix Mars Mathbooks, Early American Mathematics Mathot's Point Maximum Mean Mean Proportional Measure Measuring Four Gallons using a Five and Three Gallon Jug, some history (Blog) Medial Triangle Median (Origin & statistics) Medians of a Triangle Menelaus' Thm Mercator Projection, MAP Mercury Merels, the game Merhkat Meter Metric Ton Mil or Mill (1/1000) Mile Million Minor Minuend Minus Minute Miquel's Point & Theorem Miquel's Pentagon Theorem Mobius Strip Mode Modulus Mollweide Equations Monge's Theorem on common tangents of circles Monge's Point Monomial Monte Carlo Method Months and their Names Morley's Theorem Morris, (Nine Men's-) the game Moscow Papyrus Mu, Multiple Factorial multiplicand Multiplication (Ancient/Old methods) multiplier multiply Myriad
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