Index: sources/gui/qml/components/Slider.qml
===================================================================
diff -u -r261fa5939140953733f764f2c783c35347de415f -r54b940806bb1acdbdeef6ff7b61cd13418d578e7
--- sources/gui/qml/components/Slider.qml	(.../Slider.qml)	(revision 261fa5939140953733f764f2c783c35347de415f)
+++ sources/gui/qml/components/Slider.qml	(.../Slider.qml)	(revision 54b940806bb1acdbdeef6ff7b61cd13418d578e7)
@@ -188,6 +188,12 @@
         return (Math.round(vValue / step) * step).toFixed(decimal)
     }
 
+    // round the value based on the given precision (not step)
+    function calculatePrecisionRoundedValue(value) {
+        let multiplier = Math.pow(10, decimal)
+        return Math.round(value * multiplier) / multiplier
+    }
+
     function getValueOfX(x) {
         return ( x * ( maximum - minimum ) ) / width + minimum
     }
@@ -198,7 +204,7 @@
 
     function calculateValue(x, isSnappingToTicks) {
         let mMinimum = calculateMinimum()
-        let mMaximum = calculateRoundedValue(_root.maximum)
+        let mMaximum = calculatePrecisionRoundedValue(_root.maximum)
 
         // the center of the handler is aligned on the snap point and half width shall be used to set as min not the entire width.
         // also half of the hadler is out of slider min position when set on min, which proves the same as above.
@@ -258,12 +264,12 @@
      */
     function calculateMinimum() {
         let result     = calculateRoundedValue(_root.minimum)
-        let rdMinStop  = calculateRoundedValue(_root.minStop)
+        let rdMinStop  = calculatePrecisionRoundedValue(_root.minStop)
         if (rdMinStop > result) {
             if (stepSnap) {
                 // if slider is set to snap and minimum stop is not on a step, then
                 // adjust it to one step above
-                let rdStep = calculateRoundedValue(step)
+                let rdStep = calculatePrecisionRoundedValue(step)
                 result = Math.ceil(rdMinStop/rdStep) * rdStep
             }
             else {