We can use calculator to evaluate the index form.
Eg: \(\quad\;\;\) To evaluate \(2^{8}\)
Press \(\quad\) \(\boxed{\makebox[0.6cm]{2}}\) \(\quad\) \(\boxed{\makebox[0.6cm]{\(x^y\)}}\) \(\quad\) \(\boxed{\makebox[0.6cm]{8}}\) \(\quad\) \(\boxed{\makebox[0.6cm]{=}}\)

We can use calculator to evaluate the index form.

Press  \(\quad\)  \(\boxed{\makebox[0.6cm]{2}}\)  \(\quad\)  \(\boxed{\makebox[0.6cm]{\(x^y\)}}\)  \(\quad\)  \(\boxed{\makebox[0.6cm]{8}}\)  \(\quad\)  \(\boxed{\makebox[0.6cm]{=}}\)

Calculator Use

Calculator Use