calculator app

Wcalc is a very capable calculator.

PEMDAS Widget is a scientific calculator.

RPN calculator.

Totalus is a table type calculator for everyday life.

Powerful scientific and conversion calculator.

Comprehensive geometry calculator.

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

EdenGraph Graphing Calculator for Mac OS X.

soundGraph is the graphing calculator for Mac OS X.

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