Question

definition to typing erganamies​

Answer 1

Answer:

Typing Tutor is a software which helps you to improve your typing skills by taking lessons, playing a game, or conducting typing test. ... The list contains both open source (free) and commercial (paid)

Answer 2

Explanation:

$\begin{gathered} {\underbrace{\boxed{\displaystyle \sf \sum \limits^{n\ =\ \infty}_ {n\ =\ 100}\ =\ 257}}} \end{gathered}$