Memorize mathematical
constants for life
Tap the digits of π from memory. Your fingers learn the pattern so your brain doesn't have to. Numpad trainer + flashcards for the constants that appear everywhere in maths and science.
Choose a constant
π
Pi
3.14159…
e
e
2.71828…
φ
Phi
1.61803…
√2
Radical din 2
1.41421…
γ
Gamma
0.57721…
ln2
ln 2
0.69314…
τ
Tau
6.28318…
ℙ
Numere prime
2, 3, 5, 7…
eⁱπ+1
Euler's Identity
eᴵπ+1=0
π²/6
Problema de la Basel
1.64493…
G
Catalan's Constant
0.91596…
ζ(3)
Apéry's Constant
1.20205…
δ
Constanta Feigenbaum
4.66920…
eᵖⁱ
Gelfond's Constant
23.14069…
g°
Unghiul de aur
137.507…
√π
Integrala Gauss
√π
C₂
Constanta primelor gemene
0.66016…
ρ
Numărul plastic
1.32471…
K₀
Khinchin's Constant
2.68545…
R
Ramanujan's Constant
262537412640768743.999…
a²+b²
Teorema lui Pitagora
a²+b²=c²
π/2
Produsul Wallis
π/2
π(n)
Teorema numerelor prime
π(n)
C₁₀
Constanta Champernowne
0.123456789…
Ω
Constanta omega
0.56714…
δₛ
Secțiunea de argint
δₛ≈2.414
T
Constanta tribonacci
T≈1.839
E
Constanta Erdős-Borwein
E≈1.607
λ
Conway's Constant
λ≈1.304
L
Liouville's Constant
L≈0.110
M
Constanta Meissel-Mertens
M≈0.261
β
Lévy's Constant
β≈1.186
n!
Stirling's Approximation
n!
eⁱθ
De Moivre's Theorem
eᴵθ
Σ
Seria Taylor
Σ
ζ(s)
Funcția zeta Riemann
ζ(s)
4
Teorema celor patru culori
4
∫
Teorema fundamentală a calculului
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