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Complete date: 2008-12-16 17:28:25 2008.12.16 A Scientific Computing Blog with BZoli: Adding explicit Hydrogens with CDK 1.1.2.
added by bzoli22 bzoli22  tag  hydrogens / cdk / cheminformatics / bzoli / howto / Java / molecular / geometry
Complete date: 2008-10-27 18:39:48 2008.10.27 Pattern Coloring Sheets
Educational pattern coloring pages for kids.
added by pauljorg pauljorg  tag  kids / children / coloring / book / page / sheet / pattern / geometry / educational
Complete date: 2008-10-12 17:56:15 2008.10.12 Detailed Geometric Coloring Pages
These geometric pattern coloring pages are great for kids and have several important educational benefits (as well as being fun).
added by pauljorg pauljorg  tag  coloring / kids / children / geometry / geometric / mandala / pattern / symmetrical
Complete date: 2008-08-02 02:56:56 2008.08.02 Easy Math Method - Circle & Circumference
The circumference of a circle is the distance around the circle, and the formula for the circumference of a circle is 2 times pi times the radius of the circle. Pi is the ratio of the circumference to the radius, which is approximately 22/7 or 3.14. So a circle with a radius of 3 feet has a circumference of 2 times pi times 3, or 6 pi feet. And since pi = 3.14, 6 pi feet can also be written as 6 times 3.14, or 18.84 feet. Finally, note that the radius of a given circle is half the diameter of the circle. So to find the circumference of a circle with a given diameter, first find the radius of the circle by dividing the diameter by 2.
added by LearnEasyTV LearnEasyTV  tag  circle / formula / diameter / convert / pi / radius / measure / geometry / circumference