Lawrence D’Oliveiro Apps

Browse the Unicode character set, examiningcharacters by category or by similarity; search for namescontaining specified substrings; save a list of favourites forquick reference. Also copy and paste text between this and otherAndroid applications.You can display characters for your system font, which isdependent on your Android version, or you can select any .ttf filepresent in your system installation or on external storage.Note that unavailable characters may appear as empty boxes, oras nothing at all. If you want to see a wider range of characters,try downloading and selecting the GNU Unifont. This is bitmapped,but should be better than nothing.

Calculates display screen parameters: givenany of width, height, diagonal, pixel density, total pixels, aspectratio or optimum viewing distance, it will try to determine therest. Useful for computer/smartphone/tablet screens as well asdigital TVs.

Demo of using Porter-Duff transfer modes onasimple pair of sample images. For the rationale behindtheirdefinition, see the original 1984 paper by Porter & Duffherehttp://keithp.com/~keithp/porterduff/Source code availablehere:https://github.com/ldo/porter_duff_browser_androidAnd remember, always premultiply your alpha!

Infinirule is a virtual slide ruleapplicationfor Android. It transcends the limitations of realphysical sliderules by allowing variable precision--just keepzooming in to getmore--and automatically wrapping scalesaround--like a circularslide rule, but without the bulk. And thoughit only shows fourscales at a time, you can select any combinationof the availablescale types.Free Software (GPL).