Here is a first idea that can be both useful and a starting point for other examples (S&H): the Inertial Slider.
Be careful this is only possible in 2.8:
<?xml version="1.0" encoding="UTF-8"?>
<filterdeviceclipboard doc_version="0"><br>
<deviceslot type="FormulaMetaDevice"><br>
<isactive>true</isactive><br>
<isselected>true</isselected><br>
<selectedpresetname>Init</selectedpresetname><br>
<selectedpresetismodified>true</selectedpresetismodified><br>
<ismaximized>true</ismaximized><br>
<customdevicename>Inertial Slider</customdevicename><br>
<formulaparagraphs><br>
<formulaparagraph>OUTPUT - (OUTPUT - A) * power_inertia(B, 0.025, 0.5)</formulaparagraph><br>
</formulaparagraphs><br>
<functionsparagraphs><br>
<functionsparagraph>function power_inertia(inertia, min, max)</functionsparagraph><br>
<functionsparagraph> inertia = 1.0 - inertia</functionsparagraph><br>
<functionsparagraph> inertia = inertia * inertia * inertia</functionsparagraph><br>
<functionsparagraph> return min + inertia * (max - min)</functionsparagraph><br>
<functionsparagraph>end</functionsparagraph><br>
<functionsparagraph></functionsparagraph><br>
</functionsparagraphs><br>
<inputnamea>Input</inputnamea><br>
<inputnameb>Inertia</inputnameb><br>
<inputnamec>_</inputnamec><br>
<editorvisible>false</editorvisible><br>
<panelvisible>0</panelvisible><br>
<inputa><br>
<value>0.0</value><br>
<visualization>Device only</visualization><br>
</inputa><br>
<inputb><br>
<value>0.599999905</value><br>
<visualization>Device only</visualization><br>
</inputb><br>
<inputc><br>
<value>0.0</value><br>
<visualization>Device only</visualization><br>
</inputc><br>
<desttrack><br>
<value>0.0</value><br>
<visualization>Device only</visualization><br>
</desttrack><br>
<desteffect><br>
<value>0.0</value><br>
<visualization>Device only</visualization><br>
</desteffect><br>
<destparameter><br>
<value>1.0</value><br>
<visualization>Device only</visualization><br>
</destparameter><br>
</deviceslot><br>
</filterdeviceclipboard>
