Initial calculations showed that these stars would have grown to between 100 and 200 times the mass of our sun. (newscientist.com)
The typical initial calculation for this result is done by holding all parameters constant except for surface temperature. (judithcurry.com)
In «What Einstein Got Wrong,» Lawrence M. Krauss describes Einstein's erroneous initial calculation of light's deflection by gravity (which put the deflection at half its true value). (scientificamerican.com)