While we certainly have no way of confirming this, apparently when the Romans were building aqueducts (the first, evidentially, dates back to 312 B.C.), they were using a design calculation methodology—sketch and solve—that has continued to be used by engineers—even today. But GEOMATE (www.cadcalcs.com) has developed a new software package, CADCALCS 2.0, that combines sketching, calculations, and optimization in one application, such that users can work with geometry in a way analogously to the way that those working with numbers use spreadsheets. There is a library of 88 geometry-associative calculations that can automate a wide array of engineering tasks. There’s also a function that allows users to backsolve design challenges. It can be used by itself or in conjunction with Excel and several CAD applications. Imagine what the Romans could have done.