Difference between revisions of "Pi"
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Pi is the ratio of the circumference of a circle to its diameter. | Pi is the ratio of the circumference of a circle to its diameter. | ||
| − | Pi is | + | Pi is about 3.14159265358979. A full circle has 2*Pi [[Radian|radians]]. |
| − | + | In [[Pascal]], Pi is a [[Function|function]] which returns the value of pi. | |
| − | Pi/4 is same | + | Pi/4 is the same as arctan(1). |
| − | = See also = | + | == See also == |
| − | |||
* [[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. | ||
[[Category:Constants]] | [[Category:Constants]] | ||
Revision as of 18:32, 9 March 2014
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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).
