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  2. Bailey–Borwein–Plouffe formula - Wikipedia

    en.wikipedia.org/wiki/Bailey–Borwein–Plouffe...

    This does not compute the nth decimal digit of π (i.e., in base 10). [3] But another formula discovered by Plouffe in 2022 allows extracting the nth digit of π in decimal. [4] BBP and BBP-inspired algorithms have been used in projects such as PiHex [5] for calculating many digits of π using distributed computing. The existence of this ...

  3. The 6 best cellphones for seniors in 2025 - AOL

    www.aol.com/lifestyle/best-cellphone-seniors...

    The best tablets for seniors in 2024, tested and reviewed ... Android phones and iPhones can be made senior-friendly, but the Smart3 arrives that way: It's a phone made specifically with seniors ...

  4. Bellard's formula - Wikipedia

    en.wikipedia.org/wiki/Bellard's_formula

    One important application is verifying computations of all digits of pi performed by other means. Rather than having to compute all of the digits twice by two separate algorithms to ensure that a computation is correct, the final digits of a very long all-digits computation can be verified by the much faster Bellard's formula. [3] Formula:

  5. Chronology of computation of π - Wikipedia

    en.wikipedia.org/wiki/Chronology_of_computation...

    Finds a formula that allows the nth hexadecimal digit of pi to be calculated without calculating the preceding digits. 28 August 1995 Yasumasa Kanada and Daisuke Takahashi: HITAC S-3800/480 (dual CPU) [36] [37] 56.74 hours? 4,294,960,000: 11 October 1995 Yasumasa Kanada and Daisuke Takahashi: HITAC S-3800/480 (dual CPU) [38] [37] 116.63 hours ...

  6. The best tablets for seniors in 2025, tested and reviewed - AOL

    www.aol.com/lifestyle/best-tablets-for-seniors...

    For around the same price as a 10th-Generation iPad, you can get one of the most powerful Android tablets on the market today: The OnePlus Pad 2.

  7. The best flip phones for seniors in 2025 - AOL

    www.aol.com/lifestyle/best-flip-phones-184204157...

    Price: Traditional flip phones run anywhere from $50 to around $200, plus the cost of a service plan (which can range from as little as $5 monthly on up to $25, depending on the carrier and plan ...

  8. Chudnovsky algorithm - Wikipedia

    en.wikipedia.org/wiki/Chudnovsky_algorithm

    The Chudnovsky algorithm is a fast method for calculating the digits of π, based on Ramanujan's π formulae.Published by the Chudnovsky brothers in 1988, [1] it was used to calculate π to a billion decimal places.

  9. Gauss–Legendre algorithm - Wikipedia

    en.wikipedia.org/wiki/Gauss–Legendre_algorithm

    The Gauss–Legendre algorithm is an algorithm to compute the digits of π.It is notable for being rapidly convergent, with only 25 iterations producing 45 million correct digits of π.