Category
Mathematics Facts
Eratosthenes Measured Earth’s Circumference—Centuries Before Columbus Sailed
Eratosthenes (c. 276 – 194 BC) was born more than 2200 years ago in the Greek city of Cyrene, now a city in the North…
Unit Of Luminous Intensity (candela)
Originally, each country had its own, and rather poorly reproducible, unit of luminous intensity; it was necessary to…
Who Invented Zero?
Many concepts that we all take for granted sounded strange and foreign when first introduced. Take the number zero for…
Kepler's Conjecture
Take a bunch of oranges that are similar in size and try to pack them into a cardboard box. What is the most efficient…
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Algebra
Geometry
- Eratosthenes Measured Earth’s Circumference—Centuries Before Columbus Sailed
- How To Calculate The Area Of A Circle
- How To Calculate The Area Of A Cylinder
- How To Calculate The Area Of A Right Cone
- How To Calculate The Circumference Of A Circle
- How To Calculate The Volume Of A Cylinder
- How To Calculate The Volume Of A Right Cone
- Kepler's Conjecture
- Picture This
- What Is The Pythagorean Theorem?