Calculators

Free

It calculates prices for sending letters and packages with Royal Mail services.

Free

nonpareil is set of applications that simulate some of vintage HP calculators.

Free

It lets you know how much your appliances are costing you to run.

Free

The RPNcalc-12c is a full featured financial and business RPN calculator.

Free

Chemistry Calculator is a general chemistry tool that features unit conversions.

Free

This application is an HP48 calculator emulator based on Emu48.

Free

VATulator is an easy-to-use application that will help you calculate VAT rates.

Free

Calculate Percentages calculates five different types of percentages.

Free

Good Grapher is a scientific graphing calculator for Mac.

Free

This smart tool provides an easy to use dpi/ppi calculator.

Free

Currency Calculator allows you to convert every world currency.

Free

TapeCalc emulates a time tested model of a classic tape based calculator.

Free

A simple App to help you calculating the rule of 3!

Free

The RPNcalc-11 is a full featured scientific RPN calculator.

Free

Free Mac OS X app that calculates spoke lengths for wire spoked wheels.

Free

Analyze the costs and spending for student programs.

Free

Calculator on the menu bar for easy and quick access.

Free

This RPN calculator takes full advantage of the new Full Screen Mode in Lion.

Free

Hash Calculator is a simple application that can calculate file checksum.

Free

WP 34s is a scientific and engineering calculator for Mac computers.