Archery Sight Mark
100 - 500 downloadsAdd this app to your listsTweets por @Appszoom
The app calculates a quadratic regression line that passes through your three observed distance/elevations. Sight marks for any distance in the range 10 to 90 metres can then be found by simply dragging the slider shown in the lower part of the screen.
NOTE: For best results, choose your three calibration distances spaced as far apart as possible. I use 20m, 40m and 70m with my bow and get excellent results. The results will be less accurate if the distance between any pair of calibration references is less than 20 metres, or if the target distance is too far outside the range of the three calibration references.
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Version 1.1 - Minor icon and text changes
Version 1.0 - Initial release