Table 3.

Comparison of ${\theta }^{{}^{\prime }}(0)$ when $A=1,Pr=10,M=K=\beta =R=B=0.0$ for various values of Bi.

Bi	Ref.53	Ref.54	Present results
0.05	0.0468	0.04679	0.04679
0.10	0.0879	0.08793	0.08794
0.20	0.1569	0.15690	0.15690
0.40	0.2582	0.25818	0.25817
0.60	0.3289	0.32895	0.32895
0.80	0.3812	0.38119	0.38118
1.0	0.4213	0.42134	0.42134
5.0	0.6356	0.63556	0.63556
10.0	0.6787	0.67872	0.67872
20.0	0.7026	0.70256	0.70255