anchor.diff:          type: 'POST',
           dataType: 'script',
         });
  -      this.props.value = parseInt(event.target.value, 10);
  +      this.props.value = parseFloat(event.target.value);
       },
       render: function() {
         return (
  
positive.code:     },
      handleChange: function(event) {
        var params = {
          'updated_grade':       parseInt(event.target.value),
          'student_id':          this.props.student_id,
          'grade_entry_item_id': this.props.grade_entry_column,
          'authenticity_token':  AUTH_TOKEN
  
negative.code: 
    var GradeBoxTotal = React.createClass({
      handleChange: function() {
        this.props.value = parseFloat(event.target.value, 10);
      },
      render: function() {
        return(
  