EEVblog #130 - The µCalc Credit Card Scientific Calculator / Computer

Dave describes the design of his open source hardware µCalc credit card sized calculator / computer.
(NOTE: Not to be confused with the uCalc program www.ucalc.com)
Specifications:
PIC 24F 16 bit Processor, 256KB Flash, 16KB SRAM, 64KB serial flash user memory, 3-Axis tilt sensor, Micro SD card, capacitive touch sensing keypad, 128x64 dot matrix display.