Laravel 5.4 Service Injection

I just rad about Laravels service injection, and I try to implement one but is not clear how would I go on with this.

The problem: I have some dynamic elements which should be rendered on some calculation and I want to be abble to this inside blade on the flow but without using @php to create variables inside view

I created a Class inside

 App\Services\CalculatorService

than i injected inside blade

@inject('service', 'App\Services\CalculatorService')

but I get

Class App\Services\CalculatorService does not exist 

How Laravel knows abot this classes, what do I have to do?

via Chebli Mohamed