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Pi is the ratio of the circumference to the diameter (diameter is 2 times the radius) of a circle. Calculating pi is a popular way to measure the computing power of supercomputers, and mathematicians now know that there are approximately 10 trillion digits of pi. The world record holder can read tens of thousands of digits, and neurosurgeon and professor Andriy Slyusarchuk claims to have memorized 30 million digits, which takes 347 days of continuous reading. Impressive!

## Steps

### Group of Digits

**Create a chart.**Write down the number pi according to how many digits you hope to memorize. After writing it down, group the digits in even groups with a pencil in parentheses.

- Start with groups of four digits: (3.141)(5926)(5358)(9793)(2384)(6264)(3383),…

**Start one step at a time.**The easiest way to remember anything is to start with a small group and then work your way up. Just like with weightlifting or sprinting, you have sets and reps, and you don’t want to overdo it by trying to stuff 100 numbers into your head at once.

- Start by memorizing four groups of four digits. You can work your way up to ten groups of four numbers, remembering only one more group at a time. Then double it up by memorizing five groups of eight digits. The number of digits will remain the same, but you will be able to improve your memorization by including larger “groups”.

**Memorize the first occurrence of the numbers 0-9.**This will help you remember which number comes next if pi needs to be quoted. For example, you might remember that the first number after the comma is 1, and the 32nd number after the comma is 0.

**Try grouping numbers by phone numbers.**Most mnemonic or “recall” skills work on the principle that remembering something else, like a phone number, is easier than a complicated sequence of numbers. If you work your way up the pi group into groups of ten digits, you can arrange them into a series of phone numbers to make them easier to remember: Hoa (314)159-2653, Linh (589)793-2384, Nga ( 626)433-8327,…

- Name them alphabetically so that after you’ve memorized the first 260 digits you can go back and complete your “contacts.”

**Include details to coordinate the list.**

^{[1] X Research Source}This is a way that professionals can not only remember the digits in order, but can also actively derive a definite group of numbers. Try using the name with the number of letters corresponding to the first number in the sequence: English (314)159-2653.

- Try using real names and associating actual events with the names on the list, or even making up something about each person. The more closely you associate the numbers with the list of names in your head, the easier it will be to remember the numbers.
- You can also combine this technique with the large system and linking technique given below.

**Keep these groups on the memory card.**Carry a memory card with you during the day and try to recite it. When you can naturally recite each group, continue to include other groups until you reach your goal.

### Use Alternative Words and Sounds

**Write sentences in “pi style.”**In pi style, the number of letters in each word represents the corresponding digit in pi. For example, “Aching feet” = 314 in pi style. In 1996, Mike Keith wrote a short story called “Cadaeic Cadenza” in which about 3800 digits of pi were encoded.

^{[2] X Research Source}Keith also developed a method that uses words longer than 10 letters to represent sequences of numbers.

**Write poetry in the style of pi.**Poetry pi is a poem that encodes the number pi in its words, using a pi-style method. They feature rhymes for mnemonic purposes and have three-letter titles, representing the number 3 in the first position of pi.

- A poem pi: “Now I will rhyme, / In words, guided. / Try to create, / Bounce and remember forever. / Width in the circle, / Appear in the dark.”

**Rhymes to memorize.**Many school recall skills have evolved over the years to help memorize the first digits of pi: “cosine, cheque, tang, sin/ Three dots one four one year nine.” This method of recall is based on the use of rhymes and repetition patterns to recall memorized numbers.

- Many other mnemonic songs also use the same technique: “If numbers have heaven / They must have gods / 3.14159 / 26535.”
- ABC tune, also known as “Black Sheep Baa-Baa,” or “Sparkling Little Star”: 3 1 4 1 5 9 2 / 6 5 3 5 8 9 / 7 9 3 2 3 8 4 / 6 2 6 4 3 3 8 / 3 2 7 9 5 0 2 / 8 8 4 1 9 7 1
- Try writing a good rhyme song to help you remember.
^{[3] X Research Sources}.

**Try learning the big system.**Variant of the grand system used by some of the world’s best mnemonics. This incredibly complex technique involves replacing each digit or group of digits with a phonetically close equivalent, and finally building a story or a chain of connections from these words.

## Advice

- Memorize the digit in the cluster instead of one at a time.
- It helps to think about the numbers in your head before going to bed or getting in the car.
- Adding a little rhythm to the number makes it easier to remember.
- Write it down on a little memory card and whenever you sit down on it, take it out and memorize a little more.
- Set goals and (if possible) exceed plans.
- Pick a song you know and beat the digits of pi with it.

wikiHow is a “wiki” site, which means that many of the articles here are written by multiple authors. To create this article, 115 people, some of whom are anonymous, have edited and improved the article over time.

This article has been viewed 15,691 times.

Pi is the ratio of the circumference to the diameter (diameter is 2 times the radius) of a circle. Calculating pi is a popular way to measure the computing power of supercomputers, and mathematicians now know that there are approximately 10 trillion digits of pi. The world record holder can read tens of thousands of digits, and neurosurgeon and professor Andriy Slyusarchuk claims to have memorized 30 million digits, which takes 347 days of continuous reading. Impressive!

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