Lawrence D’Oliveiro

Browse the Unicode character set, examining characters by category or by similarity; search for names containing specified substrings; save a list of …

Emulates a 1970s-vintage Texas Instruments TI-58/58C/59 calculator. Keystroke programmable, lets you load/save programs, includes partial implementati …

Infinirule is a virtual slide rule application for Android. It transcends the limitations of real physical slide rules by allowing variable precision- …

Calculates display screen parameters: given any of width, height, diagonal, pixel density, total pixels, aspect ratio or optimum viewing distance, it …

Demo of using Porter-Duff transfer modes on a simple pair of sample images. For the rationale behind their definition, see the original 1984 paper by …