Only the current version so far — new entries appear as the app ships updates.
NirtsCalc RCC is a productivity app by Niroobini Technologies with 1,000+ downloads (about 2.6K estimated). +1 installs in the last 7 days. Released May 11, 2020. Install growth, rank history, SDKs and ad networks.
From the store listing: “This app useful for RCC Design of Beams and Columns for Civil Engineers”
