|
gptkbp:instanceOf
|
Mathematical constant
|
|
gptkbp:appearsIn
|
gptkb:Buffon's_needle_problem
gptkb:Euler's_identity
gptkb:Fourier_transform
gptkb:Gaussian_integral
Area of a circle formula
|
|
gptkbp:areaOfCircleFormula
|
A = πr^2
|
|
gptkbp:category
|
gptkb:Number_theory
gptkb:Probability_theory
gptkb:Mathematical_analysis
gptkb:Irrational_number
gptkb:Real_number
Complex analysis
Infinite series
Algebraic independence
Circle constant
Fundamental constant
Infinite continued fraction
Infinite product
Mathematical constant
Non-repeating decimal
Non-terminating decimal
Special function
Transcendental number
|
|
gptkbp:celebratedIn
|
gptkb:Pi_Day
|
|
gptkbp:circumferenceOfCircleFormula
|
C = 2πr
|
|
gptkbp:continuedFraction
|
[3; 7, 15, 1, 292, ...]
|
|
gptkbp:decimalDigitsKnown
|
trillions
|
|
gptkbp:decimalExpansion
|
3.14159265358979323846...
|
|
gptkbp:definedIn
|
ratio of circumference to diameter of a circle
|
|
gptkbp:estimatedCost
|
22/7
355/113
|
|
gptkbp:firstCalculatedBy
|
gptkb:Archimedes
|
|
gptkbp:firstLetterOf
|
Greek word 'perimetros'
|
|
gptkbp:hasInfiniteDecimalExpansion
|
true
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Pi
|
|
gptkbp:irrational
|
true
|
|
gptkbp:nonRepeatingDecimal
|
true
|
|
gptkbp:Pi_Day
|
March 14
|
|
gptkbp:studiedBy
|
gptkb:Ludolph_van_Ceulen
gptkb:Ramanujan
gptkb:Leonhard_Euler
|
|
gptkbp:surfaceAreaOfSphereFormula
|
A = 4πr^2
|
|
gptkbp:symbol
|
π
|
|
gptkbp:transcendental
|
true
|
|
gptkbp:usedIn
|
gptkb:geometry
calculus
engineering
physics
trigonometry
|
|
gptkbp:volumeOfSphereFormula
|
V = 4/3 πr^3
|
|
gptkbp:bfsParent
|
gptkb:Greek_alphabet
gptkb:Circle
gptkb:Tau
gptkb:Ben_Shenkman
gptkb:Mark_Margolis
|
|
gptkbp:bfsLayer
|
5
|