Nowadays, technology is used by people not only in the workplace but also in the school, take example electronic calculators.
... without the latter part it makes a very good hook :)
This is my suggestion;
Nowadays, technology is used by people not only in the workplace but also in the schools as well. Usage of electronic calculators to perform arithmetic in schools is a fine example for this trend.SeveralSome people think that the electronic calculators should not allowed in school before they understand about mathematics.
CriticsOthers claim that calculators can help students to solve the complicated calculations
In this passage, we will discuss both of views.
This line does not add any value to your essay. You better conclude your intro with a statement expressing your opinion. However, you still can discuss both views in your body paras.