Absolutely the best and easiest to use tools for the steel construction industry. The toolbox inculdes a stair solver, triangle solver, circle solver, and a steel shapes viewer.
Corner is a program for calculating odd corners made from sheetmaterials like aluminium, steel, or glass. It could be the corners of aluminium- or steelfacades - or perhaps strangely-shaped fishtanks... Useful if when you need it.
