The full

guide to Murderous Maths

Other ways to find what you want from Murderous Maths!

Are you looking for new angles to explain or encourage maths?
You'll find help in:
A Guide to the Maths in the MM books
What can you find on this site? Everything is listed in the
Full Website Contents

You can book
Kjartan Poskitt
the MM author
for a
Murderous Maths Show
Here are some novel teacher resources based on Kjartan's presentations.
Nearly everything in school-level maths is either covered by the Murderous Maths books or this website. This A-Z guide either suggests which book a topic can be found in, or it links to the relevant page on this site.

The titles of the MM books are abbreviated as follows:

MMoE = The Murderous Maths of Everything (large format in full colour)
BBB = Brain Bending Basics*
MOM = Magic of Maths*
SOS = Secrets of Sums*
ASAS = All Shapes And Sizes*
* These books mainly contain abridged sections taken from the following titles:
MM1 = Murderous Maths (Bend Your Brain)
MM2 = More Murderous Maths (Mash Your Mind)
AWAR = The Awesome Arithmetricks
MANDV = The Mean and Vulgar Bits fractions
DMEAS = Desperate Measures
LUCKY = Do You Feel Lucky? probability
SAVSH = Savage Shapes geometry
KEY = The Key to the Universe numbers
PHX = The Phantom X algebra
FANG = The Fiendish Angletron trigonometry
PSAUS = The Perfect Sausage formulas
CODES = The Secret Life of Codes
EQEA = Easy Questions Evil Answers
DBB = Brain-Benders
SUD = SuDoku
KAK = Kakuro
The page numbers apply to the English language editions.

A-Z Index

a b c d e f g h i j k l m n o p q r s t u v w y z

SHOW FULL BOOK DETAILS

Order this book from Amazon
SHOW FULL BOOK DETAILS

Order this book from Amazon
SHOW FULL BOOK DETAILS

Order this book from Amazon
SHOW FULL BOOK DETAILS

Order this book from Amazon
SHOW FULL BOOK DETAILS

Order this book from Amazon
SHOW FULL BOOK DETAILS

Order this book from Amazon
SHOW FULL BOOK DETAILS

Order this book from Amazon
SHOW FULL BOOK DETAILS

Order this book from Amazon
SHOW FULL BOOK DETAILS

Order this book from Amazon
SHOW FULL BOOK DETAILS

Order this book from Amazon
SHOW FULL BOOK DETAILS

Order this book from Amazon
SHOW FULL BOOK DETAILS

Order this book from Amazon
SHOW FULL BOOK DETAILS

Order this book from Amazon
SHOW FULL BOOK DETAILS

Order this book from Amazon
SHOW FULL BOOK DETAILS

Order this book from Amazon
SHOW FULL BOOK DETAILS

Order this book from Amazon
SHOW FULL BOOK DETAILS

Order this book from Amazon
SHOW FULL BOOK DETAILS

Order this book from Amazon
SHOW FULL BOOK DETAILS

Order this book from Amazon
Order this book from Amazon
Order this book from Amazon
Order this book from Amazon

0.99999... : Why does 0.99999... = 1?

3.1415... : KEY 174-178, PSAUS 15, 150-152,
LUCKY 143-147, MM2 89-94,
EQEA 24, ASAS 52-57

4 Colour Map Theorem: Four Colour Map Theorem

9: KEY 151-163

11: Can I divide the world into football teams? EQEA 14, When will a number divide by 11?

12: 12 Coin Balance Problem

13: fear of KEY 78-89

37: KEY 37

1089: MM1 78-80, 1089 times table EQEA 15-16, 1089

2018: 2018 The Nine-Bead Necklace Number

4 4's: Sunny's Four 4's Challenge


Abacus: MM1 33-34

Acceleration: PSAUS 46-54

Accuracy: measurement DMEAS 27

Activities: see our Teacher Resources page

Addition: SOS 22-34, AWAR 19-31

Algebra: PHX (entire book), card trick MM1 116-124

Alternate Segment: The Alternate Segment Theorem & Proof

Amicable numbers: KEY 148-150

Angles: ASAS 16-23, DMEAS 115-126, MM1 73-78, opposite, corresponding SAVSH 16-17, very small FANG 138-158

Angstrom: DMEAS 21

Annulus: formula PSAUS 163-165, The area of an ANULUS

Archimedes: BBB 29-40, principle DMEAS 135-144, MM1 10, DMEAS 150-157, sphere formula PSAUS 167-170

Arcsecond: FANG 138-139

AREA: formulas PSAUS 10, 116-142, measuring ASAS 75-90, DMEAS 92-110, Area calculator

Articles: Stories from "The Week" that amused us, The Cicadas 17-year Life Cycle, The Al-Gebra Movement, Cool Greek Maths Geeks

Astonomical Unit (au): FANG 155

Averages: MANDV 124-156


Babylonians: KEY 128

Base 8: KEY 126-127

Bear Hunter Puzzle: SAVSH 63-65, The Bear Hunter Puzzle

Bearings and navigation: FANG 181-196

Bell ringing: LUCKY 99-103

Big numbers: MM1 130-135, EQEA 119-128

Binary: KEY 130-133, code CODES 18-24,

Birthdays: BBB 115-116, EQEA 100-105, chances of sharing LUCKY 125-128, What are the chances of 366 strangers all having different birthdays?, The Day of the Huntrodds!

Bisecting lines and angles: MM2 113-119, lines SAVSH 22-26, angles SAVSH 26-27

Blue moon: EQEA 44

Brackets: PHX 22-24, AWAR 167-168

Buoyancy: DMEAS 146-149


Caesar Shift Code: Caesar Shift

Cake: dividing fairly SAVSH 51-60

Calculator: getting sin, cos, tan values FANG 75-87, tricks MOM 11-38

Calculators (online): Area calculator, LCD and HCF, Prime Number calculator, Time calculator, Quadratic calculator, The Factoriser Calculator.

Calculus: A bit of Calculus!. There is an introduction and explanation in "Newton and His Falling Apple" by Kjartan Poskitt. differential calculus 56-63, integral calculus 92-94.

Calendar: BBB 109-116, EQEA 49-57, Babylonian Julian Gregorian DMEAS 159, tricks MOM 58-62, The Calendar Trick

Cancelling fractions: MANDV 56-63

Cards (playing cards): chances LUCKY 128-136, chances MMoE 75-77, tricks MOM 63-99, algebra trick MM1 116-124, The Chances of Card Hands, How many different ways can you put a pack of cards in order?

Centred Hexagon Numbers: KEY 60-62, PSAUS 19

Chance: LUCKY (whole book), MMoE 81-84, The Chances of Card Hands, The National Lottery Odds The Day of the Huntrodds!

Chaos Maths: Sierpinski's Triangle MMoE 80

Chess board curiosities: MMoE 7-8, 85-87, chess and dominoes MM2 14-23, How many squares on a chess board?, The Knight's Move Magic Square, The Eight Queens Chess Puzzle, The Chess Board Illusion Kjartan Poskitt's Fun Maths Videos

Chocolate bar: how many snaps to break EQEA 78

Chords (of circles): SAVSH 106-113, PSAUS 155

Chunking: SOS 116-117

Cicidas: MMoE 17, The Cicadas 17-year Life Cycle

CIRCLES: ASAS 49-57, SAVSH 100-120, PSAUS 152-157, The Names of Bits of Circles Quiz, How to find the centre of a circle using a book, How to make a Circle into a Square

Clock arithmetic: EQEA 31-36

Clocks: MM1 60-71

Codes: CODES (whole book), Secrets of Codes

Coefficients: PHX 12, Pascal coefficients PHX 100-107

Coin tossing: LUCKY 18-23, 40-43, 44-60, 63-66, 68, 70-77, MMoE 73-74

Coin Tricks/Problems: MOM 114-132, DBB 52-53, 82, The Coin Pyramid (Tower of Hanoi), The 6 Coin Circle Problem, The Twelve Coin Balance Problem (and solution)

Combinations: LUCKY 78-103, PSAUS 106-108, The Unknown (Combinations) Formula

Compass: bearings and navigation FANG 181-196

Compasses: circles, bisecting lines and angles MM2 111-119

Cone: volume of cone, area of sloping side PSAUS 172 What is the volume of a cone?

Conversions: PSAUS 195, angles dms calculator button FANG 141

Conway calendar: EQEA 56-57

Co-ordinates: PHX 128-142

Cos: FANG 67-68, 60º, 0º, 90º, 45º FANG 93, cosine formula FANG 119-123

Crescent areas: PSAUS 158-161

Cube (solid): formulas PSAUS 10, 143-146, the 11 nets EQEA 81, The Magical Self-Assembling Cube!

Cube (x3): KEY 57-60, curve on graphs PHX 142 Cube Number Triangles Squared Triangle and Cube Numbers

Cyclic Quadrilateral: SAVSH 103-105

Cycloid: MMoE 45-47


Day of Week algorithm: PSAUS 95-100

Decimal fractions: SOS 172-178, MANDV 100-111

Decimal point: SOS 160-165, AWAR 163

Degree (angle measurement): ASAS 20-21

Density: DMEAS 145-146, PSAUS 201

Diagonals: PSAUS rectangle 10, 13, polygons 123, 124, cuboids 144, Diagonals of Polygons (with proof)

Dice: LUCKY 23-25, 104-125, SAVSH 128-133, MMoE 78, puzzle DBB 100-102, The Devils Dice Puzzle Kjartan Poskitt's Fun Maths Videos

Difference of two squares: KEY 50-52, PHX 108-110

Dimension 1D 2D 3D: MMoE 50-51, MM2 33-43, 3D Noughts and Crosses Game

Divine Proportion (or Golden Ratio): KEY 26-31, MMoE 54-55

Division: SOS 104-132, AWAR 107-134 When will numbers divide by 7,11,13? When will numbers divide by 1-10?

Dms: calculator button FANG 141

Dodecahedron: PSAUS 149, SAVSH 121, 127, 131, 135, make MOM 181-186, Dodecahedron page

Dominoes: BBB 59-75, MM2 13-23

Doubling the cube: MMoE 33-35.

Dragon Curve: MOM 157-162

Drawing: triangles FANG 38-45


e = 2.71828182845904523536... : KEY 178-183, PSAUS 92, The Growth Formula and Elvis Impersonators

Egg: how to draw MMoE 37

Egyptian fractions: MANDV 86-87

Einstein, Albert: PSAUS 65, 69

Ellipses: ASAS 185-201, SAVSH 137-147, how to draw SAVSH 141-143, formulas PSAUS 180-182, The Area of an Ellipse and Volume of Ellipsoids, The Ellipse Page including how to find the centre and foci

Elvis Presley: 2043 - The Year That We All Turn Into ELVIS!

Equations: PHX 19-45, quadratic PHX 56-66, simultaneous PHX 147-156, names of different types MM1 94,

Equilateral triangle: SAVSH 31, how to draw with ruler and compasses SAVSH 74 how to fold from paper SAVSH 96

Eratosthenes: Sieve of Eratosthenes MMoE 14, Circumference of the Earth MMoE 37, Sieve of Eratosthenes

Estimating: AWAR 153-162

Euclid: BBB 28-29

Euler: solids formula SAVSH 123, e,i,PI formula KEY 186, Euler's Formula and Euler's Identity

Exam tips: GCSE Slips and Tips (exam help)

Expanding (brackets): PHX 48-52


Factorial: AWAR 166-167, LUCKY 79-81

Factorising: algebra PHX 48-52, into prime factors MANDV 45-48, 53-55, The Factoriser Calculator

Facts (pathetic): KEY 9-16, 191-192, The Most Pathetic Facts in Maths

February 30th: EQEA 52

Fermat's Last Theorem: KEY 66-70

Fibonacci: MMoE 56-60, KEY 17-41, Fibonacci trick KEY 40-41, PHX 78, formula PSAUS 203, Fibonacci and Nature

Finger Times Tables: KEY 119-122, Finger Times Tables

Fixed point theorem: MMoE 67

Flexagons: MOM 100-113, How to make a Triflexagon video version, How to make Flexagons step by step version

Four 4's: Sunny's Four 4's Challenge

Four colour map theorem: MMoE 68-69, Four Colour Map Theorem

Formulas: PSAUS whole book, EQEA 23, The Unknown Formula

Fortune Telling with numbers: KEY 71-76

Fractal: MOM 162

Fractions: SOS 141-191, MANDV whole book, AWAR 112-114,

Friday 13th: EQEA 55-56


Games: chances of various results in card and board games MMoE 81-84

G.C.S.E Slips and Tips

g Gravity: PSAUS 55, 63. For a lot more information on gravity and forces, see "Isaac Newton and His Apple" by Kjartan Poskitt 69-85, 154-157

Geometry: Catriona Shearer's Gorgeous Geometry Puzzles!

Geometry set: FANG 12-19, ASAS 24-34

Giant people-eating spider: why you can't get one EQEA 86-90

Gigameter: DMEAS 48

Golden Ratio: KEY 26-31, MMoE 54-55

Golomb Rulers: MMoE 48-49, How a Golomb Ruler can make you famous for ever

Gradients (on graphs): PHX 134

Graham's number: EQEA 127

Graphs: x and y axis and how to plot for equations PHX 132-143


HCF (Highest Common Factor): MANDV 52, LCD and HCF calculator

Hemisphere: PSAUS 171

Hexagon: how to draw SAVSH 73, how to fold from paper SAVSH 97, tessalation SAVSH 85,

Horizon: how far away? EQEA 37-41

Huntrodds Day: Sept 19th

Hurricanes: Hurricane measurements, speed, strength and names

Hypotenuse: FANG 60


i : KEY 183-186, square root of i The Research Lab

Icosahedron: PSAUS 149, SAVSH 121, 125, 127, 131

Illusion: MM2 43, Illusions Home Page

Imperial units: DMEAS 30-45

Infinity: KEY 7-9, 188-190

Inscribed circle: PSAUS 118

INT function (integer division): PSAUS 97

Interest (money): PSAUS 82-94.

International date line: MMoE 27-28

Irrational numbers: KEY 164-173

Isosceles triangle: SAVSH 11, 31-32


Jokes: The Murderous Maths Jokes Page


Kaprekar: KEY 115

Kepler: PSAUS 62

K-Puzz Logic Puzzles: K-Puzz Page

Kjarposko Puzzles: KAK, The Dreaded Kjarposkos


LCD or LCM (Lowest Common Denominator / Multiple): MANDV 64-73, 78-80, LCD and HCF calculator

Light year: FANG 155-156, DMEAS 21, EQEA 62

Line, area, volume: MM2 24-54

Locus: SAVSH 21-22

Logic Problems: DBB, how to make a liar tell the truth EQEA 64-68, Dolly's Rush Hour, Luigi's Outside Table

Long Division: SOS 117-130, AWAR 123-126,

Lottery: LUCKY 93-94, The National Lottery Odds

Lucky numbers: KEY 76-77


Magic Squares: MOM 48-62, MM1 103-106, How to make 5x5 and 7x7 Magic Squares, How to make 4x4 Magic Squares

Magic Tricks: MOM, A few tricks from The Magic Of Maths

Mathematicians: MM1 81-97

Mean: averages MANDV 124-156

Measurements: DMEAS whole book, MM2 44-54

Median: MANDV 146-149

Mersenne Primes: KEY 100-103, 142-144 The Research Lab

Metric System: DMEAS 45-51, prefixes EQEA 58-60

Mirror numbers: MM2 107-108

Mobius strip: BBB 96-100, MM2 74-80, MMoE 40-41, Kjartan Poskitt's Fun Maths Videos

Mode: MANDV 143-146

Modulus (MOD function): PSAUS 98, CODES 148-149, The Modulus 105 Trick

Money: PSAUS 70-94, interest and e KEY 180-183, history AWAR 135-144

Moon: how fast does it move, siderial and synodic months EQEA 42-43

Multiplication: SOS 80-98, AWAR 93-101, Russian Peasant Multiplication EQEA 17

Music: MMoE 61-64, How many different tunes can you play on a piano? EQEA 7-12, Why do some musical notes sound awful together?, How do guitar strings make different notes?, The sounds of SIN and SQUARE waves

Mutually exclusive outcomes: LUCKY 106


Nanometer: DMEAS 47

Nets (of solids): ASAS 174-178, SAVSH 128-136 the 11 nets of a cube see: The Research Lab

Newton: PSAUS 64-65. For a lot more information on forces, see "Isaac Newton and His Apple" by Kjartan Poskitt 144-157

Nim games: MOM 118-123

Noughts and crosses: 4-dimensional MMoE 53, 3D noughts and crosses

Numbers: KEY, The link between Squared Triangle and Cube Numbers

Number facts: The Most Pathetic Facts in Maths

Number tricks: MOM 133-156, The 7-11-13 trick, The Impossible Guess, The Missing Digit Trick, Riverboat Lil's Mindreader trick


Octahedron: PSAUS 149, SAVSH 121. 125, 127, 133-134

Odd and Even numbers: AWAR 15-16

Odds: LUCKY 38-39, 153-161

Origami: ASAS 155-162


Palindrome numbers: MM2 107-108

Parabola: x2 graphs PHX 139- 144

Paradox: BBB 25-28

Parallax: FANG 150, 153

Parallelogram: PSAUS 134

Parallel lines: how to draw FANG 18

Parsecs: FANG 155-158

Pascal's Triangle: MMoE 72-80, for coefficients of (a+b)n PHX 100, probability LUCKY 61-77, combinations LUCKY 96-99, Pascal's Triangle How to get Fibonacci series see THE RESEARCH LAB

Pendulums: PSAUS 68

Penrose Roger: tiles SAVSH 90-91, The Penrose Chickens and Tiles

Pentagon: how to fold from paper SAVSH 97-98

Pentagonal Number: PSAUS 19

Pentominoes: MM2 16-20

Percentages: SOS 171-178, PSAUS 72, MANDV 112-117

Perfect Numbers: KEY 136-146

Perimeter: ASAS 118-128, PSAUS 12, 116, MM2 99-106, EQEA 75-77

Permutations: PSAUS 103-105, LUCKY 81-88, DBB 46-47

Perpendicular bisector: ASAS 32,95 SAVSH 22-26

PI: ASAS 52-57, KEY 174-178, PSAUS 15, 150-152, LUCKY 143-147, MM2 89-94, EQEA 24

Picometer: DMEAS 47

Pizza cutting: PSAUS 31, Chopping Pizzas

Planets: distance from sun MMoE 90

Plato: ASAS 167-170

Poker hands (chances of): MMoE 84, Chances of different hands of playing cards

Polygons: ASAS 129-154, SAVSH 56-99, PSAUS 116-126, tan area formula FANG 126-128, The Research Lab

Powers: BBB 117-121, AWAR 168-169, MM1 15-18

Prime factors: MANDV 43-48

PRIME NUMBERS: explanation MANDV 40-44, SOS 133-137, KEY 90-112, MMoE 12-17, MM1 46-51, Sudoku prime SUD 126, The SUDOKU Prime, use in codes CODES 148-149, The Prime Numbers Trick, The Prime Counter Mersenne Primes KEY 100, 142 The Research Lab Sieve of Eratosthenes MMoE 14, Sieve of Eratosthenes, How to write a Massive Prime Number!

Prince Rupert's Cube: EQEA 82

Profit: PSAUS 70-74

Proportion: FANG 30-31

Protractor: DMEAS 120-121, FANG 16-17

Pursuit curves: MMoE 44

Puzzles: DBB whole book, SUD, KAK, Puzzle Page, Dreaded Kjarposkos, Murderous Brainbending Puzzles also see "Sam Loyd" below

Pyramid: PSAUS 10, 146 What is the volume of a pyramid? With proof.

Pythagoras: MMoE 19-22, MM2 81-88 construction theorem proof SAVSH 148-159, EQEA 25-28, cut and paste theorem proof EQEA 26, ASAS 202-207 How do guitar strings make different notes?


Quadratics: solving equations and formula PHX 53-66, PSAUS 138, Solving Quadratics by Completing the Square, Quadratic calculator

Queens: The Eight Queens Chess Puzzle


Radians: DMEAS 124

Ramsey Theorem: EQEA 127-129

Ratios: FANG 30-37, trigonometry FANG 59

Rectangle: formulas PSAUS 10-13 How to turn a Rectangle into a Square of the same area

Reducing fractions: MANDV 49-51

Regions: Surprising Regions Formula

Regular Solids: SAVSH 121-136, formulas for surface area and volume PSAUS 149, Regular Solids - formulas for volumes

Research Lab: THE RESEARCH LAB (With answers to a very wide variety of odd maths questions!)

Rhombus: PSAUS 135

Richter Scale: Earthquake measurements

Right angle: MM1 72

Right angled triangles: MM2 81-88

Roman numerals: MM1 27-31

Rough sums: SOS 198-206

Rounding off: AWAR 145-152, MM1 126-129

RSA codes: CODES 145-157

Rubik's Cube: EQEA 83

Russian Peasant Multiplication: EQEA 17


Sam Loyd: The Sam Loyd Sliding Block Puzzle, Sam Loyd's Get Off The Earth Puzzle, Sam Loyd's Eight Queens Puzzle

Sampling: LUCKY 149-152

Scale: FANG 20-29

Scoville rating: Hotness of chilli pepper measurement

Scrambled Message Code: Scrambled Messages

Sector: PSAUS 156

Segment: PSAUS 157

Semicircle: right angle SAVSH 12-13,

Semiperimeter: PSAUS 116

Set Square: FANG 17-18

Shadow Stick: DMEAS 66

Sierpinski's Triangle: MMoE 80

Sieve of Eratosthenes: MMoE 14, Sieve of Eratosthenes

Significant digits/figures: AWAR 145

Simulaneous Equations: graph solving PHX 136-137, elimination and substitution PHX 147-156

Sin: FANG 60-66, 60º, 0º, 90º, 45º FANG 88-92, getting values by drawing FANG 94-96, sin formula PSAUS 120, sin formula FANG 114-118, triangle area formula FANG 128-130

Sine wave: FANG 165-174, The sounds of SIN and SQUARE waves

Skewes' number: EQEA 125

Sohcahtoa: FANG 71

Space: size of moons, planets, stars MMoE 88-93

SPEED: PSAUS 38-60, BBB 76-92, MM2 61-73

Sphere: PSAUS 10, 170-172 packing into a box EQEA 150-151

SQUARE (shape): how to draw with ruler and compasses SAVSH 74-76, how to fold SAVSH 94, dividing a square into smaller squares all of different sizes EQEA 29.

SQUARE (x2): KEY 43-56

Square Pyramid Numbers: KEY 63-64, PSAUS 20

Square Roots: EQEA 18-22, How to work out Square Roots without a calculator, square root of i The Research Lab

Stamps: formula for number of ways of tearing from a sheet PSAUS 21-24, 196-197, Matthew Sheeran's Amazing Stamps Formula!

Standard Form: DMEAS 56-63, MM1 130-135

Star: distance away FANG 147-158, sizes of MMoE 93

Subtraction: SOS 35-54, AWAR 53-70

Sudoku: how many possible grids? SUD 122-127, The SUDOKU Prime

Symmetry: MM1 136-141


Tan: FANG 69-71, 45º FANG 94

Tangents: SAVSH 114

Teachers: Teacher Resource Page

Temperature: DMEAS 169

Tessalation: ASAS 150-154, SAVSH 88-91, MM1 19-21

Testing for factors: MANDV, KEY 108-111, Testing if numbers divide by 11, 7 or 13, The 11 Test

Tetrahedral Numbers: KEY 62-63, PSAUS 19, 90

Tetrahedron: PSAUS 148-149, SAVSH 121, 125, 127, 131, 133

Thales: BBB 21, SAVSH 12-13,

Think of a number tricks: MOM 39-47, PHX 79, A few tricks from The Magic Of Maths

Tic-tac-toe: 4-dimensional MMoE 53, 3D TTT puzzle

Time: DMEAS 158-167, see Speed, Acceleration, Pendulums

Times tables: SOS 55-80, AWAR 71-92 Kjartan Poskitt's Fun Maths Videos

Topology: MMoE 38-42, bridge crossing and drawing problems MM2 136-145 fluid handcuffs EQEA 142-143

Torus: PSAUS 173-174, volume The Research Lab

Trancindental numbers: KEY 174-183

Trapezium: PSAUS 139-142, Calculating the Area of a Trapezium without the height!

TRIANGLES: ASAS 35-48, SAVSH 39-65, formulasPSAUS 126-134 constructing FANG 38-45, sin area formula FANG 128-130

Triangle Numbers: MM2 123-130, KEY 54-56, PSAUS 17-18, 21, 89, MMoE 18, The link between Squared Triangle and Cube Numbers, KEY 64-65

Triangulation: FANG 133-136

Tricks: DBB, PHX 74-90, Professor Fiendish's Tricks and Games

Trigonometry: FANG (whole book), PSAUS 121

Trisecting an angle: MMoE 30, How to Trisect an Angle


Unit fractions: PSAUS 192

Units of measurement: DMEAS 168-174, Some Unusual Units

Universe: size of EQEA 61


Vector: EQEA 69-72

VIDEOS: Kjartan Poskitt's Fun Maths Videos

Vigenere Code System: Vigenere Grids

Volume: measuring DMEAS 127-133

Vulgar Fractions: SOS 148-152


Wallpaper: Download your Murderous Maths Wallpaper for your computer desktop.

Waves: sin cos tan FANG 165-180

Weights: smallest number needed for balance scales EQEA 93-97


Y intercept (on graphs): PHX 135

Yahtzee: chances of throwing combinations MMoE 83


Zero: invention of 0 MM1 35-36, impossible proof PHX 157




Murderous Maths Main Index Page

For education and classroom
computer solutions we recommend

The Murderous Maths website is hosted by

These people sorted out all sorts of fiddly problems for us quickly and at no extra charge, and we would highly recommend them to anyone.