Apps Like Photon Calc for iPhone and iPad
Calculate energy and transmission
Displays cross sections for gamma/x-ray photons, fluorescence, and edge energies. It calculates transmission and attenuation for any energy. Information includes atomic number, mass, density, and energy values.
Photon Calc screenshots
Ranked alternatives
Showing 741–760 of 1,000 ranked alternatives.



Subnet Calc
Swipe Stack Ltd
Calculate subnet details for IP addresses.
The app calculates subnet details including base IP, net mask, wildcard, network and broadcast addresses. It also shows minimum and maximum host addresses, total hosts, and subnet class, indicating if it is a private range.




Fuji FA200-180AO
Gyronimo, LLC
Calculate aircraft mass and balance.
The app calculates Weight & Balance, including Center of Gravity and Takeoff/Zero Fuel Mass. It sends a Mass & Balance Summary to an email address and displays results with high-resolution graphics.








Piper Archer III Performance Pad
Gyronimo, LLC
Calculate aircraft performance data quickly.
The app calculates mass and balance, takeoff and landing distances, climb data, cruise performance, and stall speeds. It uses actual data from the Piper PA-28-181 Archer III Pilot's Operating Handbook for calculations.





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