whether preparing a specialized diet, sharing recipes over the internet, attending school, preparing international shipments , purchasing or replacing parts, or examining a foreign business proposal it's becoming more and more necessary for americans to become aquatinted with the metric system. do the math converts both to and from all us and metric system measurements of length, area, mass volume and temperature. from pounds to grams, teaspoons to centiliters, cubic meters to cubic feet, metric tons to us long or short tons, acres to hectares. if you need to convert it this program is for you. it's as simple as clicking the us or metric measurement you want to convert from, clicking on the measurement you want to convert to then hitting the calculate button. presto you're done! do the math also supports the conversion of metric scientific measurements. for example if you ever need to know how many yoctometers there are in a us inch the answer is 2.54e22 expressed in scientific notation or 25400000000000002000000 expressed as a decimal. the free trail download period is 30 days. if you choose to purchase just click the buy button and your transaction will be completed safely via paypal. if you decide this program isn't for you, just choose uninstall from the all programs menu.