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 * Home
 * Learn About Pi
   * What Is Pi?
   * Pi Symbol
   * One Million Digits of Pi
   * Raspberry Pi
     * Raspberry Pi Explained
     * Raspberry Pi Projects
     * What is Raspberry Pi?
 * Math Help
   * Simplifying Fractions
   * Adding Fractions
   * Subtracting Fractions
   * Multiplying And Dividing Fractions
   * Find GCF And LCM
   * Math FAQ
   * Why Math Is Important
 * Calculators
   * Fraction Calculator
   * Circumference Of A Circle Calculator
   * Arc Length Calculator
   * Area of a Circle Calculator
   * See All Calculators
 * Celebrate Pi
   * Pi Merch
   * Fun Facts About Pi
   * Pi Quiz
   * Ways to Celebrate Pi Day
   * Pi Project
   * Your Birthday in Pi
 * Teacher Resources
   * Pi Day Coloring Pages

Menu
 * Home
 * Learn About Pi
   * What Is Pi?
   * Pi Symbol
   * One Million Digits of Pi
   * Raspberry Pi
     * Raspberry Pi Explained
     * Raspberry Pi Projects
     * What is Raspberry Pi?
 * Math Help
   * Simplifying Fractions
   * Adding Fractions
   * Subtracting Fractions
   * Multiplying And Dividing Fractions
   * Find GCF And LCM
   * Math FAQ
   * Why Math Is Important
 * Calculators
   * Fraction Calculator
   * Circumference Of A Circle Calculator
   * Arc Length Calculator
   * Area of a Circle Calculator
   * See All Calculators
 * Celebrate Pi
   * Pi Merch
   * Fun Facts About Pi
   * Pi Quiz
   * Ways to Celebrate Pi Day
   * Pi Project
   * Your Birthday in Pi
 * Teacher Resources
   * Pi Day Coloring Pages

Countdown to Pi Day!
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Learn About PiWhat is Pi?Celebrate PiPi Merch, Decor & MoreMath HelpTutorials &
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Pi Day is celebrated on March 14th (3/14) around the world. Pi (Greek letter
“π”) is the symbol used in mathematics to represent a constant — the ratio of
the circumference of a circle to its diameter — which is approximately 3.14159.
Pi Day is an annual opportunity for math enthusiasts to recite the infinite
digits of Pi, talk to their friends about math, and eat pie.
Pi has been calculated to over 50 trillion digits beyond its decimal point. As
an irrational and transcendental number, it will continue infinitely without
repetition or pattern. While only a handful of digits are needed for typical
calculations, pi’s infinite nature makes it a fun challenge to memorize, and to
computationally calculate more and more digits.
Learn More About Pi – What is Pi?


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They pride themselves on producing the very best content for exams and
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creating “prep that empowers” is in their company’s DNA.

Mometrix’s goal is for their study materials, coupled with diligent effort, to
empower a test-taker to attain the highest score within their ability to
achieve. Mometrix prepares people to achieve their dreams by helping them
overcome the testing hurdles necessary for them to get where they want to be.



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