| radian | Data.Drasil.SI_Units |
| Range | Language.Drasil |
| rate | Data.Drasil.Concepts.Math |
| Rational | Language.Drasil |
| ratioVariation | Drasil.SSP.DataDefs |
| RawContent | Language.Drasil |
| rbrtsn2012 | Data.Drasil.Citations |
| rcHibbeler | Data.Drasil.People |
| RConcat | Language.Drasil |
| rdb | Drasil.SRSDocument, SysInfo.Drasil |
| readerCharsLabel | Drasil.DocLang.SRS |
| ReadME | Language.Drasil.Code |
| readMe | Language.Drasil.Code |
| readWithDataDesc | Language.Drasil.Code |
| Real | Language.Drasil |
| RealI | |
| 1 (Data Constructor) | Language.Drasil.Expr.Development |
| 2 (Data Constructor) | Language.Drasil.ModelExpr.Development |
| 3 (Data Constructor) | Language.Drasil.CodeExpr.Development |
| RealInterval | Language.Drasil |
| realInterval | |
| 1 (Function) | Language.Drasil.CodeExpr, Language.Drasil |
| 2 (Function) | Language.Drasil.CodeExpr.Development |
| realNumRepLegend | Drasil.Website.CaseStudy |
| realNumRepTitle | Drasil.Website.CaseStudy |
| realtime | Data.Drasil.Concepts.Documentation |
| reasVal | Language.Drasil |
| recipesWiki | Drasil.Website.Body |
| recip_ | Language.Drasil |
| recordArg | Language.Drasil.Code |
| recordArgFill | Language.Drasil.Code |
| RecordF | Language.Drasil.Code |
| rectilinear | Data.Drasil.Concepts.Physics |
| rectNoTime | Drasil.Projectile.Expressions |
| rectPosDeriv | Drasil.Projectile.Derivations |
| rectVel | Drasil.Projectile.Concepts |
| rectVelDeriv | Drasil.Projectile.Derivations |
| Ref | Language.Drasil |
| ref | Language.Drasil |
| refAdd | Language.Drasil |
| RefBy | Drasil.DocLang, Drasil.SRSDocument |
| refBy | Data.Drasil.Concepts.Documentation |
| refByDom | Data.Drasil.Concepts.Documentation |
| refbyLookup | Database.Drasil |
| RefbyMap | Database.Drasil |
| refbyTable | Database.Drasil |
| refDB | |
| 1 (Function) | Drasil.DblPend.Body |
| 2 (Function) | Drasil.GamePhysics.Body |
| 3 (Function) | Drasil.GlassBR.Body |
| 4 (Function) | Drasil.Projectile.Lesson.Body |
| 5 (Function) | Drasil.SglPend.Body |
| 6 (Function) | Drasil.SWHS.Body |
| 7 (Function) | Drasil.Template.Body |
| refdb | Drasil.SRSDocument, SysInfo.Drasil |
| Referable | Language.Drasil |
| Reference | |
| 1 (Type/Class) | Language.Drasil |
| 2 (Data Constructor) | Language.Drasil |
| reference | |
| 1 (Function) | Data.Drasil.Concepts.Documentation |
| 2 (Function) | Drasil.DocLang.Notebook |
| 3 (Function) | Drasil.DocLang.SRS |
| ReferenceDB | Drasil.SRSDocument, SysInfo.Drasil |
| referenceLabel | |
| 1 (Function) | Drasil.DocLang.Notebook |
| 2 (Function) | Drasil.DocLang.SRS |
| refineChain | Language.Drasil |
| RefInfo | Language.Drasil |
| refInfo | Language.Drasil |
| RefMap | SysInfo.Drasil |
| refMat | |
| 1 (Function) | Data.Drasil.Concepts.Documentation |
| 2 (Function) | Drasil.DocLang.SRS |
| refMatLabel | Drasil.DocLang.SRS |
| refName | Data.Drasil.Concepts.Documentation |
| refNameDom | Data.Drasil.Concepts.Documentation |
| RefNote | Language.Drasil |
| RefProg | Drasil.DocLang, Drasil.SRSDocument |
| refResolve | Database.Drasil |
| refS | Language.Drasil |
| RefSec | |
| 1 (Type/Class) | Drasil.DocLang, Drasil.SRSDocument |
| 2 (Data Constructor) | Drasil.DocLang, Drasil.SRSDocument |
| RefTab | Drasil.DocLang, Drasil.SRSDocument |
| refTable | Database.Drasil |
| RegularF | Language.Drasil.Code |
| regularSec | Language.Drasil.Printers |
| Relation | Language.Drasil.Expr.Development, Language.Drasil |
| RelationConcept | Language.Drasil |
| reliability | Data.Drasil.Concepts.Software |
| relTol | |
| 1 (Function) | Language.Drasil.Code |
| 2 (Function) | Drasil.SWHS.Unitals |
| relTolerance | Data.Drasil.Concepts.Computation |
| renderRef | Language.Drasil |
| RenderSpecial | Language.Drasil |
| rendPersLFM | Language.Drasil |
| rendPersLFM' | Language.Drasil |
| rendPersLFM'' | Language.Drasil |
| repeated | Language.Drasil.Code |
| Replace | Language.Drasil |
| replaceAll | Utils.Drasil |
| repoRt | Drasil.Website.Body |
| reqDom | Data.Drasil.Concepts.Documentation |
| reqInput | Data.Drasil.Concepts.Documentation |
| reqInputsRef | Drasil.DocLang |
| reqNF | Language.Drasil.Printers |
| ReqrmntSec | |
| 1 (Type/Class) | Drasil.DocLang, Drasil.SRSDocument |
| 2 (Data Constructor) | Drasil.DocLang, Drasil.SRSDocument |
| ReqsProg | Drasil.DocLang, Drasil.SRSDocument |
| reqsScopeLabel | Drasil.DocLang.SRS |
| ReqsSub | Drasil.DocLang, Drasil.SRSDocument |
| require | Drasil.DocLang.SRS |
| requiredChecks | Language.Drasil |
| requirement | Data.Drasil.Concepts.Documentation |
| requirementsLabel | Drasil.DocLang.SRS |
| requirement_ | Data.Drasil.Concepts.Documentation |
| RequiresChecking | Language.Drasil |
| resistiveShear | Drasil.SSP.Unitals |
| resourcePath | |
| 1 (Function) | Drasil.DocumentLanguage.TraceabilityGraph |
| 2 (Function) | Drasil.GamePhysics.Body |
| 3 (Function) | Drasil.GlassBR.Figures |
| 4 (Function) | Drasil.SSP.Figures |
| 5 (Function) | Drasil.SWHS.Body |
| response | Data.Drasil.Concepts.Documentation |
| responseTy | Drasil.GlassBR.Concepts |
| resShearWOGD | Drasil.SSP.GenDefs |
| resShr | Drasil.SSP.GenDefs |
| resShrGD | Drasil.SSP.GenDefs |
| restCoefCons | Drasil.GamePhysics.Unitals |
| restitutionCoef | |
| 1 (Function) | Data.Drasil.Concepts.Physics |
| 2 (Function) | Data.Drasil.Quantities.Physics |
| result | Data.Drasil.Concepts.Documentation |
| returnExprList | Language.Drasil.Code |
| returnExprListFill | Language.Drasil.Code |
| returnStmt | Drasil.GOOL, Drasil.GProc |
| reusability | Data.Drasil.Concepts.Software |
| reusable | Drasil.SWHS.Requirements |
| reVelInCollDD | Drasil.GamePhysics.DataDefs |
| Review | |
| 1 (Type/Class) | Drasil.DocLang |
| 2 (Data Constructor) | Drasil.DocLang |
| review | |
| 1 (Function) | Data.Drasil.Concepts.Documentation |
| 2 (Function) | Drasil.DocLang.Notebook |
| reviewContent | Drasil.Projectile.Lesson.Review |
| reviewContextP1 | Drasil.Projectile.Lesson.Review |
| reviewContextP2 | Drasil.Projectile.Lesson.Review |
| reviewEqns | Drasil.Projectile.Lesson.Review |
| reviewer | Data.Drasil.Concepts.Documentation |
| reviewHead | Drasil.Projectile.Lesson.Review |
| reviewLabel | Drasil.DocLang.Notebook |
| ReviewProg | Drasil.DocLang |
| rGuy | Data.Drasil.People |
| rHuston | Data.Drasil.People |
| rightHand | Data.Drasil.Concepts.Math |
| rightHandAssump | Drasil.GamePhysics.DataDefs |
| rightSide | Data.Drasil.Concepts.Math |
| rigidBody | Data.Drasil.Concepts.Physics |
| rigidParam | Drasil.GamePhysics.Unitals |
| rigidTwoDAssump | Drasil.GamePhysics.DataDefs |
| riskFun | Drasil.GlassBR.Unitals |
| RK45 | Language.Drasil.Code |
| rKhedri | Data.Drasil.People |
| rOB | Drasil.GamePhysics.Unitals |
| rocTempSimp | |
| 1 (Function) | Drasil.SWHS.GenDefs |
| 2 (Function) | Drasil.SWHSNoPCM.GenDefs |
| rocTempSimpDeriv | Drasil.SWHS.GenDefs |
| rocTempSimpRC | Drasil.SWHS.GenDefs |
| rod | Drasil.DblPend.Concepts |
| rodPierce | Data.Drasil.People |
| rOfChng | Data.Drasil.Concepts.Math |
| rotForce | Drasil.SSP.Unitals |
| rotMotExpr | Drasil.GamePhysics.Expressions |
| rotMotExprDeriv1 | Drasil.GamePhysics.Expressions |
| rowVec | Language.Drasil |
| RP | Language.Drasil |
| rRot | Drasil.GamePhysics.Unitals |
| RS | Language.Drasil |
| RTopology | Language.Drasil |
| Rule | Build.Drasil |
| RuleTransformer | Build.Drasil |
| runStrategy | Drasil.GOOL |