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davidsharp/leibniz.js

Created December 31, 2023 15:41
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pi approximation in JS
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leibniz.js
const approximate_pi = n => {
let pi = 0
let denom = 1
for(let i = 0;i<n;i++){
pi += (i%2?-4:4)/denom
denom += 2
}
return pi
}
let dec = 10
console.log(`100 turns: `,approximate_pi(100).toFixed(dec))
console.log(`1000 turns: `,approximate_pi(1000).toFixed(dec))
console.log(`10000 turns: `,approximate_pi(10000).toFixed(dec))
console.log(`100000 turns: `,approximate_pi(100000).toFixed(dec))
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