Tension Software (www.tensionsoftware.com) has updated TS Cal for Mac OS X to version 1.5.

It’s a document based application; its documents can be realized and used as calculation models for specific mathematical technical problems. Version 1.5 provides better import of variables with a Cascade Assignment feature and improved undo support in variables, constants and functions management.

TS Cal requires Mac OS X 10.10 or higher. It costs $14.99 and is available at the Tension Software website and the Mac App Store.