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(2.6.0)
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Index of Difficulty Calculator
This is a common formula for calculating the Index of Difficulty (\(ID\)), but other formulas exist.
$$$$
$$D\text{ (distance to target)}$$
$$W\text{ (width of target)}$$
$$=$$
$$=$$
Calculate
$$X$$
Value rounded to 1 decimal place.
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This definition is not available in English, sorry!