In this tutorials will teach How to do the student mark calculation in Angular. First you have to add the FormsModule inside the imports. Create the new Components studentmarks studentmarks.component.html [crayon-64713e37031dd776468873/] studentmarks.component.ts   marks1:string = ”;   marks2:string = ”;   marks3:string = ”;   result:number=0;   avg:number=0.0; StudentTot() {   this.result = parseInt(this.marks1) + parseInt(this.marks2) + parseInt(this.marks3);   this.avg …