This application offers quick and easy conversion of units. 16 different unit categories are supported, like temparature, currency, distance, weight, volume, ...nIn addition the app offers a calculator. You don't have to switch any more between conversion and calculation apps.nThere are even two calculators included, a standard and a scientific one.nUnits are sorted by frequency of usage, the units used most often show up on top of the list. No need to scroll anymore to find your favorite units.nProgrammable buttons make it possible to access your favorite conversion units even faster.nAll functionalities are accessible on the main screen, no need for tedious switching between subscreens.nnList of supported unit categories:n currency live updaten temperaturen distancen weightn volumen timen surfacen speedn anglen data storagen energyn powern pressuren concentrationn radioactivityn typographynnFeatures:n simple and intuitive user interfacen 2 calculators: standard and scientific scientific keyboard only available in the paid versionn units are sorted by the frequency by which you are using them. The units you are using most are shown on top. This allows much faster working.n live update of currency conversion ratesn programmable buttons: save your favorite unit conversions on these buttons for faster working.n swap key, for fast swap of the 2 selected unitsn all settings are saved when leaving the applicationnnInstructions:nThe programmable buttons are the blue buttons at the top. Hold one down until you hear the beep and the selected units will be saved on this button. Press the button again for fast recall of this unit pair.nIf the app emits a beep while working it means you have made an invalid operation, like for example the square root of a negative number.nnPlease note:nFor currency conversion rates are downloaded from an internet server. Without a working internet connection the currency category will not show up.nnIf you have any problems contact us at planetblueart@gmail.comn