Convert between over 40 foreign currencies including US, Canadian, British, Australian, Japanese, Chinese, Brazilian, Mexican, etc. (Front end to the Google currency conversion utility). Company: http://calcnexus.com/ App URL: http://calcnexus.com/currency-calculator.php

Estimate the number of calories burned performing over 200 different activities, including Running, Walking, Sports, Gym, Occupational and Home activities. Company: http://calcnexus.com/ App URL: http://calcnexus.com/calories-burned-calculator.php

A grocery price calculator can help you get the best deal on your shopping costs, especially important when every penny matters. I’m going to write about three different apps for your iPod Touch or iPhone which can help you find out which items are really the cheapest and which ones just seem cheap.

Estimate your future 401(k) retirement savings. Enter your current balance, annual salary, expected annual raise in salary, your annual contribution/investment, your employer’s matching contribution, and the expected annual rate of return. This 401k Calculator creates a table showing your estimated yearly balance. Company: http://calcnexus.com/ App URL: http://calcnexus.com/401k-calculator.php

MiniCalc is a web app offering a calculator with scientific and trig functions for iPhone and iPod touch. Company: http://iphav.com/ App URL: http://iphav.com/Calculator/Calculator.html