To enter a subscript on a TI-84 calculator, first access the alpha mode by pressing the "Alpha" key. Then, press the "Y=" key to access the Y= editor, where you can input your equation. For the subscript, use the "X,T,θ,n" key, and then select the appropriate variable or use the "2nd" key followed by the "0" key to bring up the catalog and find the subscript option. Finally, type your desired subscript value.
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Press 2ND MATRIX (above x-1). Select EDIT at the top with the arrow keys. The select matrix [B] and press ENTER. You can now edit the matrix. (Use the numbers at the upper right to set the size.)
superscript 63 and subscript 152 Eu (the super and subscript go before the symbol with superscript on top of the subscript)
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The coefficient applies to all of the elements in the compound whereas the subscript applies to only the select elements; unless the subscript follows parenthesis, in which case it applies to all elements inside. ==========================================================Hope it helped! Thanks for voting!
A subscript.