From 6645c1c29ea05adc2bd635dfe349dbc01ac3fda3 Mon Sep 17 00:00:00 2001 From: pixelzoom Date: Fri, 10 Mar 2023 17:50:18 -0700 Subject: [PATCH] doc, https://github.com/phetsims/calculus-grapher/issues/262 --- js/common/model/AreaUnderCurveScrubber.ts | 3 ++- js/common/model/TangentScrubber.ts | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/js/common/model/AreaUnderCurveScrubber.ts b/js/common/model/AreaUnderCurveScrubber.ts index 22bffe5d..0415cf4b 100644 --- a/js/common/model/AreaUnderCurveScrubber.ts +++ b/js/common/model/AreaUnderCurveScrubber.ts @@ -1,7 +1,8 @@ // Copyright 2023, University of Colorado Boulder /** - * AreaUnderCurveScrubber is the model element for the area-under-curve scrubber. + * AreaUnderCurveScrubber is the model element for the area-under-curve scrubber. It can be moved horizontally, + * and the accumulated area (or 'net signed area') is the area between x=0 and the scrubber's x position. * * @author Chris Malley (PixelZoom, Inc.) */ diff --git a/js/common/model/TangentScrubber.ts b/js/common/model/TangentScrubber.ts index eccbc6fa..0e06fa5a 100644 --- a/js/common/model/TangentScrubber.ts +++ b/js/common/model/TangentScrubber.ts @@ -1,7 +1,8 @@ // Copyright 2023, University of Colorado Boulder /** - * TangentScrubber is the model element for the tangent scrubber. + * TangentScrubber is the model element for the tangent scrubber. It can be moved horizontally to position the + * tangent line on the original curve. * * @author Chris Malley (PixelZoom, Inc.) */