Racionales:

(4/3)⁴ = 3'16049...

22/7 = 3'14285...

311/99 = 3'141414...

333/106 = 3'14150943...

( 296/167 )² = 3'14159704...

355/113 = 3'1415929203...

103283/32876 = 3'141592651174...

103993/33102 = 3'14159265301190260407226149477373...

Irracionales:

r(10) = 3'162277...

r(2) + r(3) = 3'146264...

20*r(2)/9 = 3'142696...

19*r(7)/16 = 3'14182968...

9/5 + r(9/5) = 3'14164078...

r(40/3 - 2*r(3)) = 3'1415333387...

13*r(146)/50 = 3'1415919531...

5/4 + r(229)/8 = 3'1415932438...

167/80 + r(10)/3 = 3'141592553389...

(9² + 19²/22)^1/4 = 3'14159265258264...    (Ramanujan)

Con la razón aúrea:

6/5*f^2 = 3'14164078...

4/r(f) = 3'144605...

Con el número e:

(Continuará)