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2019-01-04
@
Jose
: There is a mistake in your answer: 243 (0100000) is the number of numbers between
10,000
and 100,000 that do not contain the digits 0, 1, 2, 3, 4, 5, or 6.
Matthew
on
/blog/47
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Archive
Show me a random blog post
▼ show ▼
▲ hide ▲
2021
Jan 2021
Christmas (2020) is over
2020
▼ show ▼
▲ hide ▲
Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy ϕ-√2+2 Approximation Day!
May 2020
A surprising fact about quadrilaterals
Interesting tautologies
Mar 2020
Log-scaled axes
Feb 2020
PhD thesis, chapter ∞
PhD thesis, chapter 5
PhD thesis, chapter 4
PhD thesis, chapter 3
Inverting a matrix
PhD thesis, chapter 2
Jan 2020
PhD thesis, chapter 1
Gaussian elimination
Matrix multiplication
Christmas (2019) is over
2019
▼ show ▼
▲ hide ▲
Dec 2019
Visualising MENACE's learning
Christmas card 2019
Nov 2019
Christmas (2019) is coming!
Sep 2019
A non-converging LaTeX document
TMiP 2019 treasure punt
Jul 2019
Big Internet Math-Off stickers 2019
Jun 2019
Proving a conjecture
Apr 2019
Harriss and other spirals
Mar 2019
realhats
Jan 2019
Christmas (2018) is over
2018
▼ show ▼
▲ hide ▲
Dec 2018
Christmas cross stitch
MENACE in fiction
Christmas card 2018
Nov 2018
Christmas (2018) is coming!
Sep 2018
Runge's Phenomenon
Jul 2018
World Cup stickers 2018, pt. 3
Mathsteroids
Jun 2018
World Cup stickers 2018, pt. 2
May 2018
A bad Puzzle for Today
Apr 2018
Building MENACEs for other games
Mar 2018
A 20,000-to-1 baby?
World Cup stickers 2018
Jan 2018
Origins of World War I
Christmas (2017) is over
2017
▼ show ▼
▲ hide ▲
Dec 2017
Christmas card 2017
Nov 2017
Christmas (2017) is coming!
MENACE at Manchester Science Festival
Jun 2017
Big Ben Strikes Again
Mar 2017
The end of coins of constant width
Dragon curves II
Feb 2017
The importance of estimation error
Jan 2017
Is MEDUSA the new BODMAS?
2016
▼ show ▼
▲ hide ▲
Dec 2016
Christmas (2016) is over
Video game surfaces
Christmas card 2016
Nov 2016
Christmas (2016) is coming!
Oct 2016
Logical contradictions
Palindromic dates
Sep 2016
Tube map kaleidocycles
Jul 2016
Solving the cross diagonal cover problem
Jun 2016
Braiding, pt. 2
Braiding, pt. 1
Making names in Life
May 2016
Euro 2016 stickers
Mar 2016
Proving Pythagoras' theorem
Dragon curves
The
Mathematical Games
of Martin Gardner
Jan 2016
Christmas (2015) is over
2015
▼ show ▼
▲ hide ▲
Nov 2015
Christmas (2015) is coming!
Oct 2015
How to kick a conversion
How much will I win on the new National Lottery?
Aug 2015
How OEISbot works
MENACE
Mar 2015
Optimal Pac-Man
Tube map stellated rhombicuboctahedron
Logic bot, pt. 2
Design your own flexagon
Jan 2015
Tube map Platonic solids, pt. 3
2014
▼ show ▼
▲ hide ▲
Nov 2014
Logic bot
Sep 2014
Electromagnetic Field talk
Jun 2014
Tennis maths
May 2014
World Cup stickers
Apr 2014
Countdown probability, pt. 2
Countdown probability
Mar 2014
New machine unfriendly £1 coin, pt. 2
New machine unfriendly £1 coin
2013
▼ show ▼
▲ hide ▲
Dec 2013
Assorted christmaths
Pointless probability
Jul 2013
"Uncanny" royal coincidence
Raspberry Pi weather station
2012
▼ show ▼
▲ hide ▲
Nov 2012
Tube map Platonic solids, pt. 2
Oct 2012
Tube map Platonic solids
Tags
reuleaux polygons
video games
captain scarlet
matt parker
hexapawn
weather station
rugby
talking maths in public
raspberry pi
puzzles
electromagnetic field
folding paper
simultaneous equations
geogebra
books
twitter
pi
pythagoras
cross stitch
graph theory
accuracy
menace
european cup
triangles
probability
signorini conditions
logs
logic
boundary element methods
misleading statistics
pac-man
big internet math-off
data visualisation
programming
harriss spiral
manchester
realhats
sport
trigonometry
machine learning
people maths
speed
royal institution
tennis
arithmetic
chalkdust magazine
binary
gerry anderson
bubble bobble
graphs
martin gardner
plastic ratio
chebyshev
folding tube maps
matrix of cofactors
flexagons
curvature
game of life
stickers
christmas card
palindromes
mathsteroids
ternary
mathsjam
national lottery
asteroids
reddit
manchester science festival
wave scattering
light
wool
news
frobel
football
bodmas
world cup
numerical analysis
computational complexity
tmip
finite element method
a gamut of games
statistics
latex
dragon curves
hats
interpolation
nine men's morris
javascript
cambridge
go
draughts
the aperiodical
estimation
matrix multiplication
inverse matrices
map projections
matrix of minors
determinants
oeis
final fantasy
rhombicuboctahedron
pi approximation day
countdown
sorting
mathslogicbot
data
braiding
fractals
weak imposition
christmas
inline code
bempp
craft
gaussian elimination
chess
matrices
php
london
ucl
preconditioning
platonic solids
hannah fry
convergence
polynomials
python
error bars
pizza cutting
sobolev spaces
noughts and crosses
propositional calculus
dates
royal baby
approximation
games
radio 4
golden spiral
advent calendar
exponential growth
geometry
sound
phd
london underground
game show probability
coins
quadrilaterals
golden ratio
dataset
squares
© Matthew Scroggs 2012–2021

2019-01-0410,000and 100,000 that do not contain the digits 0, 1, 2, 3, 4, 5, or 6.on /blog/47