The Math Solver App & Helper funktioniert nicht

The cancellation will take effect the day after the last day of the current subscription period and you will be downgraded to the free service. • Please note: any unused portion of a free trial period (if offered) will be forfeited when you purchase a premium subscription during the free trial period. • Payment will be charged to your iTunes Account at confirmation of purchase.  OR monthly subscription (which comes with a 3-day free trial) for $9. 99 USD. • Subscription payments will be charged to your iTunes account at confirmation of your purchase and upon commencement of each renewal term.  Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable.  You can cancel your subscription or free trial in the iTunes settings at least 24-hours before the end of the free trial period.  Subscription with a free trial period will automatically renew to a paid subscription.  Math Answer Scanner comes as a free version with limited options.  Get Math Answer Scanner Premium – weekly subscription for $4. 99 USD.  Take a snap of your math problem and leave the rest for the Math Answer Scanner.  Account will be charged for renewal within 24-hours prior to the end of the current period.  Math Answer Scanner does all of that for you & much more.  Freely solve basic arithmetic to advanced calculus and geometry. You CAN do math!  The math recognition software has been developed with never before accuracy.  Calculate scientific formulas, convert distance, area, volume, speed, time units.  Need help with your math homework?  Learn & solve your maths problem with Camera, AI and Machine learning.  Scan equations written on a paper or a board and solve it naturally using the smart app.