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- puts "Enter a number, please."
- n = gets.chomp.to_i
- denom = 1.0
- toggle = 1.0
- result = 1.0
- for x in 0...n do
- result += toggle * (1.0 / denom)
- denom += 2
- toggle *= -1
- puts "Result: #{result}"
- end
- result *= 4
- puts "Estimation of Pi (#{n} times): #{result}"
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