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Question

# How do I enter the Stefan-Boltzmann constant () = 5.67 x 10-8 W/m2/K4  into a

calculator??? (I do not use Excel or open office )

My sample problem of:

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T = ( 1000 W/m2 x (1 – 0.32) / (4 x 5.67 x 10-8 W/m2/K4) )0.25 = 234 K

The highlighted values are variables and change depending on the temp (1000W/m and albedo of .32).

But when I enter it into a calculator like this—- 1000 × (1 – .32) ÷ (4 × 5.67e – 8)^.25     I Get 251.255

Close but not the right answer… Any online calculators or any way to solve above equation correctly?