diff --git a/.gitignore b/.gitignore
index 0dee7465..13cf3ae0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@ nginx.pid
 /bin
 env
 *.swp
+.project
diff --git a/src/app/components/Slider.jsx b/src/app/components/Slider.jsx
index ad579909..a1efbf94 100644
--- a/src/app/components/Slider.jsx
+++ b/src/app/components/Slider.jsx
@@ -1,166 +1,361 @@
-import React from 'react';
-import PropTypes from 'prop-types';
-
-const MARGIN_LR = 8; // Left/ Right margin
-
-/**
- * Horizontal Slider
- */
-export default class Slider extends React.Component {
-
-  static defaultProps = {
-    axis: false,
-    min: 0,
-    max: 1,
-    scale: 1  // SVG render scale
-  };
-
-  static propTypes = {
-    axis: PropTypes.bool,
-    axisUnit: PropTypes.string,
-    max: PropTypes.number,
-    min: PropTypes.number,
-    onChange: PropTypes.func.isRequired,
-    onResize: PropTypes.func,
-    percent: PropTypes.number.isRequired,
-    scale: PropTypes.number
-  };
-
-  /**
-   * Constructor
-   * @param  {Object} props   React Component properties
-   */
-  constructor(props) {
-    super(props);
-    this._down = this._down.bind(this);
-    this._move = this._move.bind(this);
-    this._up = this._up.bind(this);
-    this._updatePercent = this._updatePercent.bind(this);
-    this._updateDimensions = this._updateDimensions.bind(this);
-
-    this.state = { width: 0 };
-  }
-
-  /**
-   * On Mouse/Touch down handler
-   * @param  {SyntheticEvent} event Event
-   */
-  _down(event) {
-    let rect = event.currentTarget.getBoundingClientRect();
-    this.left = rect.left;
-    this.width = rect.width;
-    this._move(event);
-  }
-
-  /**
-   * Update the slider percentage on move
-   * @param  {SyntheticEvent} event Event
-   */
-  _move(event) {
-    if(this.width !== null && this.left != null) {
-      let clientX = event.touches ? event.touches[0].clientX : event.clientX;
-      event.preventDefault();
-      this._updatePercent(clientX - this.left, this.width);
-    }
-  }
-
-  /**
-   * On Mouse/Touch up handler
-   * @param  {Event} event  DOM Event
-   */
-  _up(event) {
-    event.preventDefault();
-    this.left = null;
-    this.width = null;
-  }
-
-  /**
-   * Determine if the user is still dragging
-   * @param  {SyntheticEvent} event Event
-   */
-  _enter(event) {
-    if(event.buttons !== 1) {
-      this.left = null;
-      this.width = null;
-    }
-  }
-
-  /**
-   * Update the slider percentage
-   * @param  {number} pos   Slider drag position
-   * @param  {number} width Slider width
-   * @param  {Event} event  DOM Event
-   */
-  _updatePercent(pos, width) {
-    this.props.onChange(Math.min(Math.max(pos / width, 0), 1));
-  }
-
-  /**
-   * Update dimenions from rendered DOM
-   */
-  _updateDimensions() {
-    this.setState({
-      outerWidth: this.node.getBoundingClientRect().width
-    });
-  }
-
-  /**
-   * Add listeners when about to mount
-   */
-  componentWillMount() {
-    if (this.props.onResize) {
-      this.resizeListener = this.props.onResize(this._updateDimensions);
-    }
-  }
-
-  /**
-   * Trigger DOM updates on mount
-   */
-  componentDidMount() {
-    this._updateDimensions();
-  }
-
-  /**
-   * Remove listeners on unmount
-   */
-  componentWillUnmount() {
-    if (this.resizeListener) {
-      this.resizeListener.remove();
-    }
-  }
-
-  /**
-   * Render the slider
-   * @return {React.Component} The slider
-   */
-  render() {
-    let outerWidth = this.state.outerWidth;
-    let { axis, axisUnit, min, max, scale } = this.props;
-
-    let style = {
-      width: '100%',
-      height: axis ? '2.5em' : '1.5em',
-      boxSizing: 'border-box'
-    };
-
-    if (!outerWidth) {
-      return <svg style={style} ref={node => this.node = node} />;
-    }
-
-    let margin = MARGIN_LR * scale;
-    let width = outerWidth - (margin * 2);
-    let pctPos = width * this.props.percent;
-
-    return <svg onMouseUp={this._up} onMouseEnter={this._enter.bind(this)} onMouseMove={this._move} onTouchEnd={this._up} style={style} ref={node => this.node = node}>
-      <rect className='primary' style={{ opacity: 0.3 }} x={margin} y='0.25em' rx='0.3em' ry='0.3em' width={width} height='0.7em' />
-      <rect className='primary-disabled' x={margin} y='0.45em' rx='0.15em' ry='0.15em' width={pctPos} height='0.3em' />
-      <circle className='primary' r={margin} cy='0.6em' cx={pctPos + margin} />
-      <rect x={margin} width={width} height='100%' fillOpacity='0' style={{ cursor: 'col-resize' }} onMouseDown={this._down} onTouchMove={this._move} onTouchStart={this._down} />
-      {axis && <g style={{ fontSize: '.7em' }}>
-        <text className='primary-disabled' y='3em' x={margin} style={{ textAnchor: 'middle' }}>{min + axisUnit}</text>
-        <text className='primary-disabled' y='3em' x='50%' style={{ textAnchor: 'middle' }}>{(min + max / 2) + axisUnit}</text>
-        <text className='primary-disabled' y='3em' x='100%' style={{ textAnchor: 'end' }}>{max + axisUnit}</text>
-      </g>}
-    </svg>;
-  }
-}
+import React from 'react';
+import PropTypes from 'prop-types';
+
+const MARGIN_LR = 8; // Left/ Right margin
+
+/**
+ * Horizontal Slider
+ */
+export default class Slider extends React.Component {
+
+  static defaultProps = {
+    axis: false,
+    min: 0,
+    max: 1,
+    scale: 1  // SVG render scale
+  };
+
+  static propTypes = {
+    axis: PropTypes.bool,
+    axisUnit: PropTypes.string,//units (T, M, etc.)
+    max: PropTypes.number,
+    min: PropTypes.number,
+    onChange: PropTypes.func.isRequired,// function which determins percent value
+    onResize: PropTypes.func,
+    percent: PropTypes.number.isRequired,//value of slider
+    scale: PropTypes.number
+  };
+
+  /**
+   * Constructor
+   * @param  {Object} props   React Component properties
+   */
+  constructor(props) {
+    super(props);
+    this._down = this._down.bind(this);
+    this._move = this._move.bind(this);
+    this._up = this._up.bind(this);
+    this._keyup = this._keyup.bind(this);
+    this._keydown = this._keydown.bind(this);
+    this._touchstart = this._touchstart.bind(this);
+    this._touchend = this._touchend.bind(this);
+
+    this._updatePercent = this._updatePercent.bind(this);
+    this._updateDimensions = this._updateDimensions.bind(this);
+
+    this.state = { width: 0 };
+  }
+
+  /**
+   * On Mouse/Touch down handler
+   * @param  {SyntheticEvent} event Event
+   */
+  _down(event) {
+    
+    let rect = event.currentTarget.getBoundingClientRect();
+    this.left = rect.left;
+    this.width = rect.width;
+    this._move(event);
+    this.touchStartTimer = setTimeout(() => this.sliderInputBox._setDisplay('block'), 1500);
+  }
+
+  /**
+   * Update the slider percentage on move
+   * @param  {SyntheticEvent} event Event
+   */
+  _move(event) {
+    if(this.width !== null && this.left != null) {
+      let clientX = event.touches ? event.touches[0].clientX : event.clientX;
+      event.preventDefault();
+      this._updatePercent(clientX - this.left, this.width);
+    }
+  }
+
+  /**
+   * On Mouse/Touch up handler
+   * @param  {Event} event  DOM Event
+   */
+  _up(event) {
+    this.sliderInputBox.sliderVal.focus();
+    clearTimeout(this.touchStartTimer);
+    event.preventDefault();
+    this.left = null;
+    this.width = null;
+  }
+
+
+  /**
+   * Key up handler for keyboard.
+   * display the number field then set focus to it
+   * when "Enter" key is pressed
+   * @param {Event} event Keyboard event
+   */
+  _keyup(event) {
+    switch (event.key) {
+      case 'Enter':
+        event.preventDefault();
+        this.sliderInputBox._setDisplay('block');
+        //this.enterTimer = setTimeout(() => this.sliderInputBox.sliderVal.focus(), 10);
+        return;
+      default:
+        return;
+    }
+
+  }
+  /**
+   * Key down handler
+   * increment slider position by +/- 1 when right/left arrow key is pressed or held
+   * @param {Event} event 
+   */
+  _keydown(event) {
+    
+    switch (event.key) {
+      case 'ArrowRight':
+        var newVal = this.props.percent*this.props.max + 1;
+        if (newVal <= this.props.max) this.props.onChange(newVal/this.props.max);
+        return;
+      case 'ArrowLeft':
+        var newVal = this.props.percent*this.props.max - 1;
+        if (newVal >= 0) this.props.onChange(newVal/this.props.max);
+        return;
+      default:
+        return;
+    }
+  }
+
+  /**
+   * Touch start handler
+   * @param  {Event} event  DOM Event
+   * 
+   */
+  _touchstart(event) {
+    this.touchStartTimer = setTimeout(() => this.sliderInputBox._setDisplay('block'), 1500);
+  }
+
+  _touchend(event) {
+    this.sliderInputBox.sliderVal.focus();
+    clearTimeout(this.touchStartTimer);
+  }
+
+  /**
+   * Determine if the user is still dragging
+   * @param  {SyntheticEvent} event Event
+   */
+  _enter(event) {
+    if(event.buttons !== 1) {
+      this.left = null;
+      this.width = null;
+    }
+  }
+
+  /**
+   * Update the slider percentage
+   * @param  {number} pos   Slider drag position
+   * @param  {number} width Slider width
+   * @param  {Event} event  DOM Event
+   */
+  _updatePercent(pos, width) {
+    this.props.onChange(Math.min(Math.max(pos / width, 0), 1));
+  }
+
+  /**
+   * Update dimenions from rendered DOM
+   */
+  _updateDimensions() {
+    this.setState({
+      outerWidth: this.node.getBoundingClientRect().width
+    });
+  }
+
+  /**
+   * Add listeners when about to mount
+   */
+  componentWillMount() {
+    if (this.props.onResize) {
+      this.resizeListener = this.props.onResize(this._updateDimensions);
+    }
+  }
+
+  /**
+   * Trigger DOM updates on mount
+   */
+  componentDidMount() {
+    this._updateDimensions();
+    
+  }
+
+  /**
+   * Remove listeners on unmount
+   */
+  componentWillUnmount() {
+    if (this.resizeListener) {
+      this.resizeListener.remove();
+    }
+  }
+
+  /**
+   * Render the slider
+   * @return {React.Component} The slider
+   */
+  render() {
+    let outerWidth = this.state.outerWidth;
+    let { axis, axisUnit, min, max, scale } = this.props;
+
+    let style = {
+      width: '100%',
+      height: axis ? '2.5em' : '1.5em',
+      boxSizing: 'border-box'
+    };
+
+    if (!outerWidth) {
+      return <svg style={style} ref={node => this.node = node} />;
+    }
+
+    let margin = MARGIN_LR * scale;
+    let width = outerWidth - (margin * 2);
+    let pctPos = width * this.props.percent;
+
+    return <div><svg 
+      onMouseUp={this._up} onMouseEnter={this._enter.bind(this)} onMouseMove={this._move} onKeyUp={this._keyup} onKeyDown={this._keydown} style={style} ref={node => this.node = node} tabIndex="0">
+      <rect className='primary' style={{ opacity: 0.3 }} x={margin} y='0.25em' rx='0.3em' ry='0.3em' width={width} height='0.7em' />
+      <rect className='primary-disabled' x={margin} y='0.45em' rx='0.15em' ry='0.15em' width={pctPos} height='0.3em' />
+      <circle className='primary' r={margin} cy='0.6em' cx={pctPos + margin} />
+      <rect x={margin} width={width} height='100%' fillOpacity='0' style={{ cursor: 'col-resize' }} onMouseDown={this._down} onTouchMove={this._move} onTouchStart={this._down} onTouchEnd={this._touchend} />
+      {axis && <g style={{ fontSize: '.7em' }}>
+        <text className='primary-disabled' y='3em' x={margin} style={{ textAnchor: 'middle' }}>{min + axisUnit}</text>
+        <text className='primary-disabled' y='3em' x='50%' style={{ textAnchor: 'middle' }}>{(min + max / 2) + axisUnit}</text>
+        <text className='primary-disabled' y='3em' x='100%' style={{ textAnchor: 'end' }}>{max + axisUnit}</text>
+      </g>}
+    </svg>
+    <TextInputBox ref={(tb) => this.sliderInputBox = tb}
+      onChange={this.props.onChange}
+      percent={this.props.percent}
+      axisUnit={this.props.axisUnit}
+      scale={this.props.scale}
+      max={this.props.max}
+    
+    />
+   </div>;
+  }
+
+}
+/**
+ * New component to add keyboard support for sliders - works on all devices (desktop, iOS, Android)
+ **/
+ class TextInputBox extends React.Component {
+  static propTypes = {
+    axisUnit: PropTypes.string,//units (T, M, etc.)
+    max: PropTypes.number,
+    onChange: PropTypes.func.isRequired,// function which determins percent value
+    percent: PropTypes.number.isRequired,//value of slider
+    scale: PropTypes.number
+  };
+  constructor(props) {
+    super(props);
+      this._handleFocus = this._handleFocus.bind(this);
+      this._handleBlur = this._handleBlur.bind(this);
+      this._handleChange = this._handleChange.bind(this);
+      //this._keydown = this._keydown.bind(this);
+      this._keyup = this._keyup.bind(this);
+      this.state = this._getInitialState();
+      this.percent = this.props.percent;
+      this.max = this.props.max;
+      this.state.inputValue = this.percent * this.max;
+    }
+
+    componentWillReceiveProps(nextProps, nextState) {
+        var nextValue = nextProps.percent * nextProps.max;
+        // See https://stackoverflow.com/questions/32414308/updating-state-on-props-change-in-react-form
+        if (nextValue !== this.state.inputValue && nextValue <= nextProps.max) {
+            this.setState({ inputValue: nextValue });
+      }
+    }
+    componentDidUpdate(prevProps, prevState) {
+
+        if (prevState.divStyle.display == 'none' && this.state.divStyle.display == 'block') {
+            this.enterTimer = setTimeout(() => this.sliderVal.focus(), 10);  
+        }
+        
+      if (prevProps.max !== this.props.max && this.state.inputValue > this.props.max) {
+          // they chose a different module
+          this.setState({ inputValue: this.props.max });
+      }
+      
+      if (this.state.inputValue != prevState.inputValue && prevProps.max == this.props.max) {
+          this.props.onChange(this.state.inputValue/this.props.max);
+      }
+
+    }
+
+    _getInitialState() {
+      return {
+        divStyle: {display:'none'}, 
+        inputStyle: {width:'4em'},
+        labelStyle: {marginLeft: '.1em'},
+        maxLength:5,
+        size:5,
+        min:0,
+        tabIndex:-1,
+        type:'number',
+        readOnly: true
+      }
+    }
+
+    _setDisplay(val) {
+      this.setState({
+        divStyle: {display:val}
+      });
+    }
+
+    _handleFocus() {
+      this.setState({
+        inputValue:this._getValue()
+      });
+    }
+
+    _handleBlur() {
+      this._setDisplay('none');
+      if (this.state.inputValue !== '') {
+        this.props.onChange(this.state.inputValue/this.props.max);
+      } else {
+        this.state.inputValue = this.props.percent * this.props.max;
+      }
+      
+    }
+
+    _getValue() {
+      return this.state.inputValue;
+    }
+
+    _handleChange(event) {
+      if (event.target.value < 0) {
+        this.setState({inputValue: 0});
+      } else if (event.target.value <= this.props.max)  {
+        this.setState({inputValue: event.target.value});
+      } else {
+        this.setState({inputValue: this.props.max});
+      }
+    }
+
+  /**
+   * Key up handler for input field.
+   * If user hits Enter key, blur/close the input field
+   * @param {Event} event Keyboard event
+   */
+  _keyup(event) {
+    switch (event.key) {
+      case 'Enter':
+        this.sliderVal.blur();
+        return;
+      default:
+        return;
+    }
+
+  }
+
+   render() {
+      let {  axisUnit, onChange, percent, scale } = this.props;
+      return <div style={this.state.divStyle}><input style={this.state.inputStyle} value={this._getValue()} min={this.state.min} max={this.props.max} onChange={this._handleChange} onKeyUp={this._keyup} tabIndex={this.state.tabIndex} maxLength={this.state.maxLength} size={this.state.size} onBlur={() => {this._handleBlur()}} onFocus={() => {this._handleFocus()}} type={this.state.type} ref={(ip) => this.sliderVal = ip}/><text className="primary upp" style={this.state.labelStyle}>{this.props.axisUnit}</text></div>;
+    }
+ }
+