Atomic Number: 24
Atomic Symbol: Cr
Atomic Weight: 51.996
Boiling Point: 2671 C
Melting Point: 1907 C
Chromium was discovered in 1797. The metal has a steel-gray color and is lustrous and hard. Because of the hardness of this metal, it is mixed with other metals to harden steel, create stainless steel, and form many alloys. However, its main uses […]

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This is a list of the most basic commands in Logo, organized from the most basic to the most complex.
Forward: The forward command will move the Logo turtle forward any number of steps. To use this command type “fd #”. For example, the command “fd 5″ will move the turtle forward 5 steps.
Backward: The backward […]

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Logo is a computer programming language that was designed in 1967 by Wally Feurzeig & Seymour Papert. There are many softwares that can be used to run logo, the most popular being MicroWorlds Pro or Microworlds EX, which you can get for only $99 each; a pretty good deal compared to all the features of […]

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