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eBird is an online database of bird observations providing scientists, researchers and amateur naturalists with real-time data about bird distribution and abundance. Originally restricted to sightings from the Western Hemisphere , the project expanded to include New Zealand in 2008, [ 1 ] and again expanded to cover the whole world in June 2010.
When that contractor failed to deliver, [2] he adapted Li-Chen Wang's public domain version of Tiny BASIC for the original prototype of the TRS-80 Model I. This required only 2 KB of memory for the interpreter , leaving an average of another 2 KB free for user programs in common 4 KB memory layouts of early machines.
1. Open the File Explorer icon on your desktop taskbar. 2. Click the Downloads folder. 3. Double click the Install_AOL_Desktop icon. 4. Click Run. 5. Click Install Now. 6. Restart your computer to finish the installation.
The user guide engraved into a model of the Antikythera Mechanism. User guides have been found with ancient devices. One example is the Antikythera Mechanism, [1] a 2,000 year old Greek analogue computer that was found off the coast of the Greek island Antikythera in the year 1900. On the cover of this device are passages of text which describe ...
BASICs with Bitwise Ops use -1 as true and the AND and OR operators perform a bitwise operation on the arguments.. FOR/NEXT skip means that body of the loop is skipped if the initial value of the loop times the sign of the step exceeds the final value times the sign of the step (such as 2 TO 1 STEP 1 or 1 TO 2 STEP -1).
An upgraded version was produced under the name of BASIC 128, for the TO7-70, TO9, MO5NR and MO6. [ 16 ] [ 17 ] [ 18 ] It included commands for disc operations and other new instructions. On the TO8/8D and TO9+ , an even more upgraded version under the name of BASIC 512 was provided.
Robert Whittaker's work with plants and Robert MacArthur's work with birds strongly established the role the environment plays in species distributions. [1] Elgene O. Box constructed environmental envelope models to predict the range of tree species. [5] His computer simulations were among the earliest uses of species distribution modelling. [1]
The Eurasian blue tit is usually 10.5–12 cm (4.1–4.7 in) long with a wingspan of 17.5–20 cm (6.9–7.9 in) for both sexes, and weighs about 11 g (0.39 oz). [ 11 ] [ 12 ] A typical blue tit has an intensively blue crown and dark blue line passing through the eye, and encircling the white cheeks to the chin, giving the bird a very ...