Difference between revisions of "Pi"
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* [[doc:rtl/system/pi.html|Pi]] | * [[doc:rtl/system/pi.html|Pi]] | ||
* [[doc:rtl/system/arctan.html|ArcTan]] Calculate arctangent. | * [[doc:rtl/system/arctan.html|ArcTan]] Calculate arctangent. | ||
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Revision as of 07:51, 19 September 2017
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Pi is the ratio of the circumference of a circle to its diameter. Pi is about 3.14159265358979. A full circle has 2*Pi radians. In Pascal, Pi is a function which returns the value of pi.
Pi/4 is the same as arctan(1).
