Issue 42 of Plus is now out!  - http://plus.maths.org


If you thought you knew what geometry is all about, then this issue of Plus may 
change your mind. We explore a strange point-less geometry of spacetime, find 
out about hyperbolic geometry's amazing fractals, celebrate a geometric formula 
named after Leonhard Euler, the most prolific mathematician of all time, and 
try to calculate pi. This issue also contains the first ever Plus teacher 
package and, to celebrate our tenth birthday, continues our series on the 
history of Plus.

Non-Euclidean geometry and Indra's pearls
The maths behind some of the most beautiful fractals around
http://plus.maths.org/issue43/features/serieswright/index.html

What is the Area of a Circle?
Finding the area of a circle really is a piece of cake
http://plus.maths.org/issue43/features/korner/index.html

Quantum geometry
A new geometry that can cope with quantum gravity
http://plus.maths.org/issue43/features/noncom/index.html

Euler's polyhedron formula
Euler's polyhedron formula explained
http://plus.maths.org/issue43/features/kirk/index.html

Maths goes public
Former editor  Robert Hunt looks back over his time at Plus
http://plus.maths.org/issue43/features/hunt/index.html

Career interview: Performance engineer, Rolls Royce
Maths can take you to the skies
http://plus.maths.org/issue42/interview/index.html

Also in this issue:

Teacher package: Differential equations

This issue kicks off a brand new feature in Plus: the teacher package. Every 
issue will contain a package bringing together all Plus articles about a 
particular subject from the UK National Curriculum. Whether you're a student 
studying the subject, or a teacher teaching it, all relevant Plus articles will 
be available to you at a glance.  We'd like to have your feedback on this, 
so please let us know if you find this new feature useful (by emailing us 
at [log in to unmask]). We start off our series with a package on 
differential equations.

http://plus.maths.org/issue43/package/index.html

But wait, there's more!

Try a Plus-themed Sudoku,
http://plus.maths.org/issue43/puzzle/index.html

Find out geometry is power,
http://plus.maths.org/issue43/outerspace/index.html

And celebrate the last century's greatest maths advances.
http://plus.maths.org/issue42/editorial/index.html

Plus all the latest mathematical news and reviews.


Happy reading from the Plus team


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