Geometry
Three Quick Math Problems
Can you solve all three?
Geometry
Geometry
How Aristarchus Estimated the Distance to the Sun
How far are you, my Sunshine?
Geometry
Newton’s Shell Theorem
What concerned his mind for 20-years.
Geometry
Exploring the geometric ratios in Rick’s paradox
The math behind a popular zentangle pattern: from special triangles to trigonometry.
Analysis
Pythagorean Triples and Other Beasts
I never thought that I would write math stories in English, but I also never thought that I would live in the UK either.
Geometry
Why Trisecting the Angle is Impossible
An accidental introduction to field theory.
Geometry
How They Estimated the Distance to The Moon
Two independent methods, two genius minds: How Aristarchus and Hipparchus calculated the Earth-Moon distance.
Geometry
Supplementary Angle Identities
Whenever two angles add up to π.
Geometry
How Aristarchus Found the Size of the Moon
How big are you, my precious Moon?
Geometry
The Central Angle Theorem
In geometry, a central angle subtended by the arc is twice much as any inscribed angle of the same arc.
History
How Eratosthenes Calculated the Circumference of The Earth
How big are you, my Earth?
Algebra
All About Root Systems
A visual introduction