Top rated in Calculators

This program translates between Arabic and Roman numeral notations and optimizes Arabic notation.

Determinate the number of photos necessary to make panorama.

iDuelpro is based on the popular Duelpro 2008 lifepoints calculator.

pearCalc is a freeware calculator,application-launcher and text replacement tool

BPMCalc is a calculator that converts between tempo, lfo & note durations.

hp10BII - Fully operational hp-10BII Business calculator simulation.

PinholeCalc is a handy little utility that can be used to find the f-stop

hp10c simulation Features : Fully operational hp10c.

CFAbsoluteTimeConverter is a simple tool for converting CFAbsoluteTime's

Create, manage and optimize landscaping designs.

iChem, written in Cocoa for Mac OS X exclusively, is a full-featured periodic table and molecular weight calculator.

Find out how much your currency is worth in just a few short moments.

Easy to use App that Contains 59 Engineering Calculators Split into 3 Categories...

Advanced scientific calculator with high precision, easy to use interface, standard/RPN modes, built-in constants, unit conversions, and iCloud sync.

Calculate a projectile speed using an audio recording and a known distance.

Perform common mathematical operations with a simple Mac calculator.

Make calculations using a retro-looking calculator with tape.

Work out the price of anything you sell easily and in real time.

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

Customize your calculator according to your preferences.