Euler Gamma: NDT Calculator
Radiography Safety Tools
Free · Designed for iPad. Not verified for macOS.
Essential calculators for gamma radiography professionals. Decay, dose rate, barricade distance, HVL shielding & ASME compliance — all in one app.
The all-in-one calculator suite for industrial gamma radiography professionals. Whether you're planning an exposure, calculating safety boundaries, or verifying ASME compliance — Euler Gamma delivers accurate results instantly, right from your pocket.
Trusted by NDT technicians, RSOs, and radiography crews worldwide.
WHAT YOU GET
• Decay Calculator — Activity remaining after any elapsed time for Ir-192, Se-75, and Co-60
• Dose Rate Calculator — Inverse-square law with real-time results in mR/hr, µSv/hr, and more
• Barricade Calculator — Safety boundary distances per NRC 10 CFR 20 guidelines
• HVL Shielding Calculator — Half-Value Layer attenuation for Steel, Lead, Concrete, and more
• Unsharpness Calculator — Geometric unsharpness (Ug) with ASME V Article 2 pass/fail checks
• Reference Data — Built-in gamma constants, material properties, and occupancy factors
BUILT FOR THE FIELD
• Works offline — no internet required at the job site
• Clean, fast interface designed for one-handed use
• Supports both SI and US customary units
• Results you can screenshot and share instantly
COMPLIANCE YOU CAN TRUST
Physical constants validated against NIST, ICRP, and NRC publications. ASME Section V limits built-in. Know your numbers are right — every single time.
Download Euler Gamma today and make every shot safer and more precise.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
What's new in this version:
- Updated core features for gamma calculations and reference tools.
- Improved the overall experience with clearer workflows and smoother navigation.
- Added refinements, stability improvements, and general performance optimizations.
The developer, 音 卢, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 音 卢
- Size
- 14.5 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 50 more
- English, Afrikaans, Arabic, Bengali, Bulgarian, Catalan, Croatian, Czech, Danish, Dutch, Estonian, Filipino, Finnish, French, German, Greek, Gujarati, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Kannada, Korean, Latvian, Lithuanian, Malay, Malayalam, Norwegian Bokmål, Persian, Polish, Portuguese, Punjabi, Romanian, Russian, Serbian, Simplified Chinese, Slovak, Slovenian, Spanish, Swahili, Swedish, Tamil, Telugu, Thai, Traditional Chinese, Turkish, Ukrainian, Urdu, Vietnamese
- Age Rating
4+
- 4+
- Copyright
- © 2026 lucy lu