calculator app

Wcalc is a very capable calculator.

PEMDAS Widget is a scientific calculator.

RPN calculator.

Geometry is a calculator which uses many of the formulas found in geometry.

EdenGraph Graphing Calculator for Mac OS X.

An easy-to-use calculator for Points similar to "Weight Watchers Points".

Calq is an easy to use, on demand calculator.

Optimize your Mac, fix slow performance, scan for malware, fix app errors.

Desktop app for Gmail (was DeskMail).

Project management app.