EE button ("enter exponent" button) Retuns Wrong Value
I dont think you got a lemon.
You acn always enter the powers of 10 as 10, [y^x], but is is less efficient than the EE key
This EE representation is a shortcut.
If you want 10 to the 5th power you just enter [2nd] [EE] 5 and the calculator displays 100000. Of course if you need any other number multiplying the power of ten you enter the following e.g. 2.677[x][2nd][EE]5.
You will not get any error with a positive exponent. But if your exponent is negative you should use the change signe key to the left of ENTER and symbolized by (-)
To avoid all errors I would use parentheses to enclose my exponent.
Here is how to explain the seemingly erroneous result
10 [EE] 5 ) (-) is interpreted by your calculator as 10x(10^(-5)) which evaluates correctly to 0.0001 because [EE] by itself stands for 10^ .
Hope it clarifies this point for you.
By the way some new calculators (Casio) don't have this EE key. Instead you find a key labeled x10^X .
Hope it helps
Mar 12, 2009 |
Texas Instruments TI-30XA Calculator