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Amstrad PenPad PDA600. The Amstrad PenPad, also known by the PDA600 model reference, was launched in March 1993. [1] Positioned as a replacement for a traditional pocket organiser, reviewers remarked on its small size - around 6.3 by 4.5 by 1 inches - and weight of 14 ounces, [2] noting that it was "as close to being comfortably portable as any available computer".
The Fly, released in 2005, [2] is a customizable pen that is intended to assist children with schoolwork. There are several bundled and add-on applications available, including a notepad, calculator, language and writing assistant, and educational games; many of these require the use of a small cartridge that can be inserted into a port built into the rear of the pen. [3]
The GridPad (stylized as GRiDPad) is a discontinued family of pen-enabled tablet computers and hybrid laptops built by Grid Systems Corporation. The GRiDPad 1900, released in 1989, is regarded as the first commercially successful tablet computer and predecessor to modern 2-in-1 devices .
In its guidance for polling station staff, the Electoral Commission says people can vote with a pen or pencil. It says pencils are typically used for practical reasons – pens may dry out or ...
Pencils with sub-millimeter leads can usually hold multiple leads at the same time, reducing the frequency of refills. One exception was the Pentel 350 E, possibly Pentel's first mechanical pencil, [14] which could only hold a single stick of 0.5 mm lead. Refill leads can be bought in small tubes and inserted into the barrel as needed.
The percentage of POEA varies. A 1997 US government report said that Roundup is 15% POEA while Roundup Pro is 14.5%. [136] Since POEA is more toxic to fish and amphibians than glyphosate alone, POEA is not allowed in aquatic formulations. [137] [136] [138] As of 2000, at least 58 studies existed on the effects of Roundup on a range of organisms ...