Just ask some questions to your friends and place their fingers in fingerprint available in the app. That's it, the in-bulid detector of the app will scan your friend's thumb and let you know whether they are lying or saying truth.
Gemological Calculators comprises a selection of 3 different calculators that will simplify calculations which have given you headaches so far. Complex calculations, such as Rule of Thumb Pricing, Carat Weight and Gemstone Carat Weight will be handled easily with this app.
Hungary
EU
