Now a Days we are fully Dependent on Digital Devices, If we want to calculate something we need calculators, now if we want to calculate some mathematical equations, we have a smart app named Math Photo App, by using this app we just need to scan the paper written with some math equation and that's it.
Math Photo App will scan the paper and calculate the equation and will provide a solved equation.
You can download it from Google play Store from your smart phone.
