This calculator is designed to aid piping engineers, piping students, pipe welders, pipe assemblers, and so on! It's a regular scientific calculator with build-in piping equations and formulas, as shown below: Uses International System of Units or United States Units Can use degrees or radians. Have a memory mode which can store as much data as you want.
It's safe to download the app. Kezar Engineering is the creator of Pipeflex Calculator which is listed among the Productivity category. The tool has the overall rating 4.1 on Google Play.