Multifunctional calculator

Always have this available Intelligent Calculator,
can really be helpful.

  What does this calculator?

 - Calculate quickly Discounts and Sales

 - It can quickly calculate all VAT rates in force
   or create a personal one.

 - Tip Calculator

 - Save history of any item/product add

 - Salex Tax for for all states
   you can manage the percentage.

 - Voice speaks the amount of the add Item
    enabling the voice playback.

 - Execute the spin-off VAT obtaining the tax base

 - Calculates the remainder (Subtotal)

 - Many more features to discover...


 - How to use Swipe gesture :
  
   Left   =  Delete a number at a time
   Right =  Clear all
   Down =  Open history item
   Up     =  Windows for help