# Euler Gamma: NDT Calculator — Radiography Safety Tools

> Radiography Safety Tools (iPhone/iPad app by 音 卢.)

- Source: https://appshunter.io/ios/app/euler-gamma-ndt-calculator/id6772123721 (this page in markdown: same URL + `.md`)
- Developer: [音 卢](https://appshunter.io/developer/1895433682)
- Category: Utilities, Reference
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 14 MB
- Languages: Afrikaans, Arabic, Bangla, Bulgarian, Catalan, Croatian, Czech, Danish, Dutch, English and 40 more
- Released: 2026-06-02
- Data updated: 2026-06-25
- User reviews in markdown: https://appshunter.io/ios/app/euler-gamma-ndt-calculator/id6772123721/reviews.md

## What is Euler Gamma?

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.


## Version history (last 2 releases)

### 1.1 — 2026-06-12

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.

### 1.0.0 — 2026-06-03

No release notes.

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All apps by 音 卢: https://appshunter.io/developer/1895433682

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-25.*