System Tools › Calculators

Infix calculator for simple and sophisticated calculations.

It adds a calculator to your menu bar, perfect for a quick calculation.

Simple application for operating with dates.

Trigonometry Help - Makes solving right-angled triangles easy!

Boolean logic calculator that can solve truth table problems instantly and teach you the steps required to do them quickly on paper.

Free

An ordinary simple calculator as a widget for Opera

Free

Stand-alone application for the calculation of carbonate system parameters

Free

Free Mac calculator which resides in the menu bar.

Free

ReferenceFinder - complex program to learn Origami.

Easy to use program for calculations.

Zipfer - This software retrieves data from any text file.

This is a simple application that provides easy access to a set of calculators.

Live expression calculator. As you type, it calculates.

Free

Free ballistic calculator for Mac OS X.

It allows you to calculate various useful statistics of a given text.

Mac OS X Heads-Up Display (HUD) Calculator (Calc) designed to remain hovering over all windows while you work.

With this app you can convert PDF files into various image formats.

Program that helps the users to convert gallons in liters.

Hp10c is a fully operational scientific calculator.

Simple loan Calculator available for your Mac.

G-Wizard Calculator is an easy to use professional calculator.

ConvertUnits allows you to convert between different units.

Free

A freeform calculator allows you to evaluate mathematical expressions as you type them.

Number Pad can do better and quickerNumber Pad is optimized for entering numbers...