1. Intro

Performs basic mathematical operations:

• summation +
• subtraction -
• multiplication *
• division /
• exponentiation ^
• parentheses (...)

API:

• isExpressionValid(string) boolean
• parseAndEvaluate(string) number

2. Usage

• import AngularBasicCalculatorModule into a Single Page App

/*
  src/app/app.module.ts
*/

import { AngularBasicCalculatorModule } from 'angular-basic-calculator';

@NgModule({
  imports: [
    ...,
    AngularBasicCalculatorModule
  ],
  ...
})
export class AppModule { }

• inject AngularBasicCalculatorService into a component/service/pipe

constructor(private _angularBasicCalculatorService: AngularBasicCalculatorService) {
  this._angularBasicCalculatorService.parseAndEvaluate('1 + 1'); // = 2
}

3. Demo in a Single Page App

• See usage in the demo app

• See live demo of the demo app on CodePen