In[]:=
H0=-((37π)/48469710106800000000)+(4πSin[t(1.9291)*10^-19])/t ​​ 
Out[]=
-
37π
48469710106800000000
+
4πSin[1.9291×
-19
10
t]
t
In[]:=
(*Thisworks.*)​​(t/.FindRoot[H0,{t,356.25*3600*24*10^10}])/(356.25*3600*24)
Out[]=
4.27931×
10
10
In[]:=
(*Thisfails.*)​​H0=-((37π)/48469710106800000000)+(4πSin[t(1.9291±0.0005)*10^-19])/t
Out[]=
-
37π
48469710106800000000
+
4πSin
t(1.9291±0.0005)
10000000000000000000

t
In[]:=
(t/.FindRoot[H0,{t,356.25*3600*24*10^10}])/(356.25*3600*24)
FindRoot
:The function value {-2.39818×
-18
10
+4.08264×
-17
10
Sin[0.03078(1.9291±0.0005)]} is not a list of numbers with dimensions {1} at {t} = {3.078×
17
10
}.
ReplaceAll
:FindRootH0,t,356.25×3600×24
10
10
 is neither a list of replacement rules nor a valid dispatch table, and so cannot be used for replacing.
FindRoot
:The function value {-2.39818×
-18
10
+4.08264×
-17
10
Sin[0.03078(1.9291±0.0005)]} is not a list of numbers with dimensions {1} at {t} = {3.078×
17
10
}.
ReplaceAll
:FindRootH0,t,356.25×3600×24
10
10
 is neither a list of replacement rules nor a valid dispatch table, and so cannot be used for replacing.
FindRoot
:The function value {-2.39818×
-18
10
+4.08264×
-17
10
Sin[0.03078(1.9291±0.0005)]} is not a list of numbers with dimensions {1} at {t} = {3.078×
17
10
}.
General
:Further output of FindRoot::nlnum will be suppressed during this calculation.
ReplaceAll
:FindRootH0,t,356.25×3600×24
10
10
 is neither a list of replacement rules nor a valid dispatch table, and so cannot be used for replacing.
General
:Further output of ReplaceAll::reps will be suppressed during this calculation.
FindRoot
:The function value {-2.39818×
-18
10
+4.08264×
-17
10
Sin[0.03078(1.9291±0.0005)]} is not a list of numbers with dimensions {1} at {t} = {3.078×
17
10
}.
ReplaceAll
:FindRootH0,t,356.25×3600×24
10
10
 is neither a list of replacement rules nor a valid dispatch table, and so cannot be used for replacing.
FindRoot
:The function value {-2.39818×
-18
10
+4.08264×
-17
10
Sin[0.03078(1.9291±0.0005)]} is not a list of numbers with dimensions {1} at {t} = {3.078×
17
10
}.
ReplaceAll
:FindRootH0,t,356.25×3600×24
10
10
 is neither a list of replacement rules nor a valid dispatch table, and so cannot be used for replacing.
Out[]=
3.24886×
-8
10
(t/.FindRoot[H0,{t,356.25×3600×24
10
10
}])