how do you enter an expression where the problem is 4 in the place of squared or cubed...and then a 4 squared
You can use the symbol that Alan has shown you and this symbol is on almost all scientific calculators.
Another very common symbol for 'power of' is ^ It is above the 6 on your keyboard.
On the web 2 calc on the home page you can type what you want straight inot the input box.
so if you want (10+6)to the power of 4 you can just type in
(10+6)^4
You can use the symbol that Alan has shown you and this symbol is on almost all scientific calculators.
Another very common symbol for 'power of' is ^ It is above the 6 on your keyboard.
On the web 2 calc on the home page you can type what you want straight inot the input box.
so if you want (10+6)to the power of 4 you can just type in
(10+6)^4