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Mathematics: Featured Facts
Who Invented Zero?
Mathematics / History

The Babylonian symbol for zero. Many concepts that we all take for granted sounded strange and foreign when first introduced. Take the number zero for instance. Any first-grader can recognize and use zeros. They sound so logical and continue reading this fact

Origins Of The Meter
Mathematics / History

The engraving shows the casting of the platinum-iridium alloy called the '1874 Alloy.' The origins of the meter go back to at least the 18th century. At that time, there were two competing approaches to the definition of a standard unit of length. Some suggested defining the meter as th continue reading this fact

Prime Numbers
Mathematics / Number Theory

Mersenne Prime A prime number is a number that is divisible only by one and by itself. Factors are numbers that can be divided into a number with no remainder. The factors of 18 are the numbers 1, 2, 3, 6, 9, and 18 continue reading this fact

All Facts
Algebra:
  1. What Are Cubes And Cube Roots?
  2. What Are Squares And Square Roots?
Geometry:
  1. Eratosthenes Measured Earth’s Circumference—Centuries Before Columbus Sailed
  2. How To Calculate The Area Of A Circle
  3. How To Calculate The Area Of A Cylinder
  4. How To Calculate The Area Of A Right Cone
  5. How To Calculate The Circumference Of A Circle
  6. How To Calculate The Volume Of A Cylinder
  7. How To Calculate The Volume Of A Right Cone
  8. Kepler's Conjecture
  9. Picture This
  10. What Is The Pythagorean Theorem?
History:
  1. Leaps and Bounds
  2. Origins Of The Meter
  3. Unit Of Luminous Intensity (candela)
  4. Who Invented Zero?
Math Function:
  1. Math On the Mind
Number Theory:
  1. Fibonacci Patterns In Nature?
  2. Perfect Numbers
  3. Prime Numbers
Topology:
  1. Mobius Strip

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