Mark Kahrl
Barometric Altimeter
FREE
A simple yet useful barometric altimeter that actually works. Meant only for devices such as the Galaxy Nexus that have a built in barometer or pressure sensor. Computes your altitude from barometric pressure using the standard atmosphere model. Can be easily calibrated with a known altitude....
Range Card
$4.99
Range finder and range card. Use Google Maps/Satellite and your device GPS for range finding and build your own digital range card. Share your location and target data with your friends also using Range Card. Use sliding reticule for fast and accurate range and bearing estimation. Build your own...
KO Blackjack
FREE
Learn how to count cards and play Blackjack the 'KO' way. Simulates head to head play against the dealer with a shuffled and cut deck with 1 to 12 decks. Shows the discard tray and tracks the count so you can check your card counting accuracy. Designed to help you learn Blackjack and card...