Digits:=22
Let c be the MRB constant
c := .1878596424620671202485179340542732300559030949001387
Let ch be the Champernowne Constan.
ch := .123456789101112131415161718192021
P := c+21/29
Q := (1/5)*(10520*ch+1)/(2001*ch+38)
P-Q = -4.4940*10^(-18)
Let H9 be the 9th Hundred-Dollar constant.
H9 := .7859336743503714545652439863275455829623954590618668
P := c+11/40
Q := (590*H9+3573)/(3*(9*H9+2900))
P-Q = 2.071*10^(-19)

let H10 be the 10th Hundred-Dollar constant.
H10 := 0.38375879792512261034071331862048391007930055940e-6
P := c+7/33
Q := (40709*H10-240)/(60*(449*H10-10))
P-Q = 1.8691*10^(-18)
 

Let r1 be the positive root of 1122113300 x^4-65158827,
fsolve(1122113300*x^4-65158827, x)
r1 := .4908899454923701491405
P := c+10/33
Q := r1
P-Q = 1.4110*10^(-18)
 

Let r2 be the positive root of
745964900 x^4-17929383,
fsolve(745964900*x^4-17929383, x)
r2 := .3937419954032435881006
P := c+7/34
Q := r2 P-Q = 2.7361*10^(-18)

Let B be the conjectured value of Bloch Constant.
B := .4718616534526817848744687936113161490770126217394432
P := c+11/34
Q := (4450*B-238)/(6001*B+809)
P-Q = -3.176*10^(-19)

Let F be the Fransén-Robinson Constant.
F := 2.8077702420285193652215011865577729323080859209301982
P := c+15/17
Q := (20882-2007*F)/(1050+4700*F)
P-Q = -1.739*10^(-18)

Let p be the Pell constant.
p := .5805775582048924022900438922970257477660467656073332
P := c+24/35
Q := (10037*p-903)/(8500*p+702
P-Q = 2.425*10^(-19)


Let d be the Dottie Number.
d := .7390851332151606416553120876738734040134117589007574
P := c+27/35
Q := (1880*d-4900)/(7307*d-9060)
P-Q = 1.4186*10^(-18)

Let pg be the Pogson's Ratio.
pg := 2.5118864315095801110850320677993273941585181007824754
P := c+32/35
Q := (10*pg+8033)/(-9870+6840*pg)
P-Q = -3.387*10^(-18)

Let B be the conjectured value of Bloch Constant.
B := .4718616534526817848744687936113161490770126217394432
P := c+5/37
Q := (631-1074*B)/(-3060+7300*B)
P-Q = -9.5444*10^(-18)

Let T1 be Trott's first constant.
T1 := .1084101512231113615112908114064150911221580909390909
.P := c+36/37
Q := -(260*T1+9200)/(1055*T1-8064)
P-Q = -7.86*10^(-19)

Let r be the rabbit constant.
r := .7098034428612913146417873994445755970125022057678605
P := c+16/19
Q := (81-10900*r)/(6434*r-12000)
P-Q = -2.973*10^(-18)
Let Lz be Lieb's square ice constant.
Lz := 1.5396007178390020386910634146718865483936046700536716
P := c+7/41
Q := -(36*Lz-120)/(406*Lz-445)
P-Q = -3.82447*10^(-17)
Let Vt be the mean cube-in-tetrahedron volume.
Vt := 0.1384277574023640804683588379635363373365e-1
P := c+36/41
Q := -(12000*Vt-1602)/(20090*Vt+1069)
P-Q = -2.3538*10^(-17)

Let tm be the magic angle [http://en.wikipedia.org/wiki/Magic_angle], .
tm := evalf(arcsec(sqrt(3)))
P := c+16/21
Q := (805*tm+2958)/(3040*tm+1020)
P-Q = 1.3096*10^(-18)
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