mscroggs.co.uk
mscroggs.co.uk

subscribe

Comment

Comments

Comments in green were written by me. Comments in blue were not written by me.
@Dan Whitman: Find the difference between the original number and the reverse of the original. Call this difference \(a\). Next add \(a\) to the reverse of \(a\)...
Matthew
on /blog/37
            ×1   
@Matthew: Thank you for the prompt response! It makes sense now and perhaps I should have read a little closer!
Dan Whitman
on /blog/37
               

Archive

Show me a random blog post
 2025 

Mar 2025

How to write a crossnumber

Jan 2025

Christmas (2024) is over
Friendly squares
 2024 
▼ show ▼
 2023 
▼ show ▼
 2022 
▼ show ▼
 2021 
▼ show ▼
 2020 
▼ show ▼
 2019 
▼ show ▼
 2018 
▼ show ▼
 2017 
▼ show ▼
 2016 
▼ show ▼
 2015 
▼ show ▼
 2014 
▼ show ▼
 2013 
▼ show ▼
 2012 
▼ show ▼

Tags

regular expressions ternary gather town probability recursion convergence polynomials oeis dinosaurs finite element method determinants gaussian elimination sorting runge's phenomenon london golden ratio dragon curves databet advent calendar chess fence posts finite group approximation crossnumbers inverse matrices football bempp mathsjam sound tennis christmas card big internet math-off wave scattering guest posts 24 hour maths coins newcastle interpolation hats quadrilaterals statistics boundary element methods cross stitch geometry asteroids turtles noughts and crosses inline code palindromes game show probability misleading statistics rugby realhats folding tube maps rhombicuboctahedron signorini conditions bubble bobble craft data visualisation numerical analysis speed fonts data python computational complexity error bars anscombe's quartet binary friendly squares stirling numbers folding paper go javascript hyperbolic surfaces martin gardner cambridge propositional calculus tmip nine men's morris standard deviation chebyshev kings countdown menace arithmetic pi crosswords mathsteroids matt parker accuracy matrices flexagons hexapawn golden spiral crochet squares latex sport machine learning logo manchester matrix multiplication harriss spiral live stream draughts preconditioning electromagnetic field errors mathslogicbot puzzles pizza cutting final fantasy bodmas dates datasaurus dozen chalkdust magazine royal baby edinburgh books matrix of minors curvature bots reddit game of life exponential growth london underground phd estimation platonic solids map projections news games geogebra world cup reuleaux polygons wool pi approximation day graph theory people maths correlation raspberry pi a gamut of games talking maths in public triangles manchester science festival youtube captain scarlet royal institution sobolev spaces zines pythagoras radio 4 weather station video games european cup the aperiodical light christmas numbers logic gerry anderson national lottery hannah fry braiding graphs pac-man simultaneous equations logs pascal's triangle programming plastic ratio php frobel stickers crossnumber trigonometry dataset weak imposition mean fractals ucl matrix of cofactors

Archive

Show me a random blog post
▼ show ▼
© Matthew Scroggs 2012–2025