diff --git a/packages/squiggle-lang/__tests__/Reducer/Reducer_TestHelpers.res b/packages/squiggle-lang/__tests__/Reducer/Reducer_TestHelpers.res
index 74c196f2..9a0e5436 100644
--- a/packages/squiggle-lang/__tests__/Reducer/Reducer_TestHelpers.res
+++ b/packages/squiggle-lang/__tests__/Reducer/Reducer_TestHelpers.res
@@ -17,7 +17,7 @@ let expectEvalToBe = (expr: string, answer: string) =>
   Reducer.evaluate(expr)->ExpressionValue.toStringResult->expect->toBe(answer)
 
 let expectEvalBindingsToBe = (expr: string, bindings: Reducer.externalBindings, answer: string) =>
-  Reducer.evaluateWBindings(expr, bindings)->ExpressionValue.toStringResult->expect->toBe(answer)
+  Reducer.evaluateUsingExternalBindings(expr, bindings)->ExpressionValue.toStringResult->expect->toBe(answer)
 
 let expectEvalPartialBindingsToBe = (
   expr: string,
diff --git a/packages/squiggle-lang/src/rescript/Reducer/Reducer.res b/packages/squiggle-lang/src/rescript/Reducer/Reducer.res
index 5673988e..063d36c4 100644
--- a/packages/squiggle-lang/src/rescript/Reducer/Reducer.res
+++ b/packages/squiggle-lang/src/rescript/Reducer/Reducer.res
@@ -8,7 +8,7 @@ module MathJs = Reducer_MathJs
 type expressionValue = Reducer_Expression.expressionValue
 type externalBindings = Expression.externalBindings
 let evaluate = Expression.eval
-let evaluateWBindings = Expression.evalWBindings
+let evaluateUsingExternalBindings = Expression.evalUsingExternalBindings
 let evaluatePartialWBindings = Expression.evalPartialWBindings
 let parse = Expression.parse
 let parseOuter = Expression.parseOuter
diff --git a/packages/squiggle-lang/src/rescript/Reducer/Reducer.resi b/packages/squiggle-lang/src/rescript/Reducer/Reducer.resi
index 51cc9894..fe1da462 100644
--- a/packages/squiggle-lang/src/rescript/Reducer/Reducer.resi
+++ b/packages/squiggle-lang/src/rescript/Reducer/Reducer.resi
@@ -12,7 +12,7 @@ type externalBindings = ReducerInterface_ExpressionValue.externalBindings
 @genType
 let evaluate: string => result<expressionValue, Reducer_ErrorValue.errorValue>
 @genType
-let evaluateWBindings: (
+let evaluateUsingExternalBindings: (
   string,
   externalBindings,
 ) => result<expressionValue, Reducer_ErrorValue.errorValue>
diff --git a/packages/squiggle-lang/src/rescript/Reducer/Reducer_Expression/Reducer_Expression.res b/packages/squiggle-lang/src/rescript/Reducer/Reducer_Expression/Reducer_Expression.res
index 0b6e3681..bf22df71 100644
--- a/packages/squiggle-lang/src/rescript/Reducer/Reducer_Expression/Reducer_Expression.res
+++ b/packages/squiggle-lang/src/rescript/Reducer/Reducer_Expression/Reducer_Expression.res
@@ -116,7 +116,7 @@ let rec reduceExpression = (expression: t, bindings: T.bindings): result<express
   )
 }
 
-let evalWBindingsExpression_ = (aExpression, bindings): result<expressionValue, 'e> =>
+let evalUsingExternalBindingsExpression_ = (aExpression, bindings): result<expressionValue, 'e> =>
   reduceExpression(aExpression, bindings)
 
 /*
@@ -126,7 +126,7 @@ let evalWBindingsExpression_ = (aExpression, bindings): result<expressionValue,
 */
 let evalPartialWBindings_ = (codeText: string, bindings: T.bindings) => {
   parsePartial(codeText)->Result.flatMap(expression =>
-    expression->evalWBindingsExpression_(bindings)
+    expression->evalUsingExternalBindingsExpression_(bindings)
   )
 }
 
@@ -136,7 +136,7 @@ let evalPartialWBindings_ = (codeText: string, bindings: T.bindings) => {
   Therefore all statments are assignments.
 */
 let evalOuterWBindings_ = (codeText: string, bindings: T.bindings) => {
-  parseOuter(codeText)->Result.flatMap(expression => expression->evalWBindingsExpression_(bindings))
+  parseOuter(codeText)->Result.flatMap(expression => expression->evalUsingExternalBindingsExpression_(bindings))
 }
 
 /*
@@ -144,7 +144,7 @@ let evalOuterWBindings_ = (codeText: string, bindings: T.bindings) => {
 */
 let eval = (codeText: string) => {
   parse(codeText)->Result.flatMap(expression =>
-    expression->evalWBindingsExpression_(defaultBindings)
+    expression->evalUsingExternalBindingsExpression_(defaultBindings)
   )
 }
 
@@ -160,7 +160,7 @@ let externalBindingsToBindings = (externalBindings: externalBindings): T.binding
 /*
   Evaluates code with external bindings. External bindings are a record of expression values.
 */
-let evalWBindings = (code: string, externalBindings: externalBindings) => {
+let evalUsingExternalBindings = (code: string, externalBindings: externalBindings) => {
   let bindings = externalBindings->externalBindingsToBindings
   evalOuterWBindings_(code, bindings)
 }