N = number of turns
b = inner radius of a spiral
a = outer radius of a spiral
πN((a + b)³ - 8b³) / 3(a - b)
πN((a + b)² - 4b²) / (a - b) = total length of the spiral
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N = number of turns
b = inner radius of a spiral
a = outer radius of a spiral
πN((a + b)³ - 8b³) / 3(a - b)
πN((a + b)² - 4b²) / (a - b) = total length of the spiral
Fonts that can't differentiate between CAPITAL i and small L shalI not be used. The title itself is obvious. It's 21st Century and we still have fonts that can't differentiate between CAPITAL i and small L.