#Pharma calculator

This is a script that calculates how long a certain amount of medicine lasts depending on the dose.

#####Constructor parameters:

• Dose (number)
• Amount of medicine (number)
• Start date (miliseconds)

##First steps

####Install it

• npm i pharma-calculator

####Check package.json

• If the installation was successful, in the package.json you should see the new line in the dependencies section. The version might not be the same as the screenshot.

"dependencies": {
        "pharma-calculator": "^1.0.0"
      }

####Usage

• First of all you have to import the library. (line 1 following screenshot)

• After that you can create he Calculator object passing all constructor parameters.

const Calculator = require('pharma-calculator');

let calc = new Calculator(1, 1, new Date().getTime());

let response = calc.publicFunction();

• Finally, the Calculator class has only 1 public function. It function always return an object like the following screenshot.

Response { success: true, type: 0, data: 1586447555579 }

####Response

The response has 3 parts:

• success : true/false
• type: 1-7
• data: data returned

####Error control

• Is not allowed the empty constructor parameters. There are some responses if parameters are empty.