System Tools › Calculators

Free

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

It converts just about anything in one unit, or sets of units, into another.

This application is a perfect emulation of the HP-16C calculator.

Lightweight calculator app for everyday use.

Application built to make calculations quickly.

Comprehensive unit converter for Mac computers.

hp-41 Alphanumeric Programming Scientific Calculator is a digital calculator.

Designed to ease the task of working with fractions

This app allows you to calculate hours and minutes.

Multifunctional and multi-mode calculator.

Free

It is a multi-platform generator of the Mandelbrot family fractals.

Handy calculator for your Mac.

StocksBondsCalc provides a selection of 27 stock- and bond-related calculators.

Free

It is a RPN calculator based on the ancient HP16 programmer's calculator.

Professional unit-savvy calculator for Mac OS.

Unit converter app for Mac OS.

Free

Calculates where the same video frame would appear in other video standards.

Offers 18 different calculators to make complex calculations.

Calculate either speed, distance, or time by entering the other two values.

Free

Calculate more or less complex Math expressions on Mac.

Free

Define calculations by using functions, alias, and history calculations.

Customize your calculator according to your preferences.

Free

Calculate the tip, round the total, and split with multiple people.

Free

Make calculations and share them between iOS device and Apple Watch.