fosco's public fiddles

83j7rpeL
NoLibrary (pure JS), HTML, CSS, JavaScript

oL6cf3bh
NoLibrary (pure JS), HTML, CSS, JavaScript

first for Juuso Alho
first for Juuso Alho

mUEr2
jQuery 2.1.0, HTML, CSS, JavaScript

jQuery Allowed Chars simple plugin
jQuery plugin to restrict users for typing only allowed chars for specified element

10) Summation of primes
The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below two million.

9) Special Pythagorean triplet
A Pythagorean triplet is a set of three natural numbers, a b c, for which, a2 + b2 = c2 For example, 32 + 42 = 9 + 16 = 25 = 52. There exists exactly one Pythagorean triplet for which a + b + c = 1000. Find the product abc.

8) Largest product in a series
Find the greatest product of five consecutive digits in the 1000digit number.

Is Prime function (adv)
NoLibrary (pure JS), HTML, CSS, JavaScript

7) 10001st prime (2nd version)
By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. What is the 10 001st prime number?

7) 10001st prime
By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. What is the 10 001st prime number?

Sieve of Eratosthenes
NoLibrary (pure JS), HTML, CSS, JavaScript

Is Prime function
NoLibrary (pure JS), HTML, CSS, JavaScript

1) Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Find the sum of all the multiples of 3 or 5 below 1000.

6) Sum square difference
The sum of the squares of the first ten natural numbers is, 12 + 22 + ... + 102 = 385 The square of the sum of the first ten natural numbers is, (1 + 2 + ... + 10)2 = 552 = 3025 Hence the difference between the sum of the squares of the first ten natural numbers and the square of the sum is 3025 385 = 2640. Find the difference between the sum of the squares of the first one hundred natural numbers and the square of the sum.

5) Smallest multiple
2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder. What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?

4) Largest palindrome product
A palindromic number reads the same both ways. The largest palindrome made from the product of two 2digit numbers is 9009 = 91 99. Find the largest palindrome made from the product of two 3digit numbers.

3) Largest prime factor
The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number 600851475143 ?

2) Even Fibonacci numbers
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be: 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, … By considering the terms in the Fibonacci sequence whose values do not exceed four million, find the sum of the evenvalued terms.

Prime Factor function
NoLibrary (pure JS), HTML, CSS, JavaScript