Tension Software has updated Calcine a modern version of the desktop calculator, to version 4.0. The company doesn’t say what changes are in the upgrade.

Calcline starts as a small window utility. Insert a mathematical expression to evaluate, and the software will do the work.

Calcline costs US$1.99 and is available at the Mac App Store. Go to http://tinyurl.com/lojcner for more info.