


Subscription may be managed by the user and turned off by going to the user's Account Settings after purchase. Cancellation will not go into effect until the end of the monthly or annually billing cycle. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. You can use the subscription on any device registered with your Apple account. Payment will be charged to iTunes Account at confirmation of purchase. You can cancel online anytime - there is no cancellation fee. It is available for $3.99/Monthly or $39.99/Annually Crash Calc is a subscription based app that provides all of the most commonly used formulas in crash reconstruction. Simply place your phone down on the roadway (or takeoff angle) in the direction of travel and instantly read the slope on your phone.
