Question about Texas Instruments TI-83 Plus Calculator
No! Your calculator is not broken. However you are not using the EE button correctly, or you are not aware of its meaning.
The EE key is a shortcut for 10 to a power and the 10 is already included.
Here is an example.To enter the [EE] you use [SHIF][,] where the comma [,] is the key between [SIN] and  in the column under [MODE]. To enter a negative exponent you use the change sign key (-), the one at the bottom of keypad below 3 and to the right of the decimal mark [.]
To enter 54.2 x10^(-3) you type in 54.2[,] [(-)]3
To enter 37x10^(9) you type in 37[SHIFT] [,]]9
The correct result is 2.0054x10^9 and your calculator will show you 2.0054E9
However by typing in 54.2*10[EE]-3 your are in fact entering 54.2x10x10^(-3) and by typing 37*10[EE]9 you are entering 37*10*10^9 and your final result is in fact multiplied by 100, hence the value you are getting 2.0054E11
Posted on Aug 29, 2010
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Posted on Jan 02, 2017
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