diff --git a/src/color/mod.rs b/src/color/mod.rs
index c0224a2..4beacd0 100644
--- a/src/color/mod.rs
+++ b/src/color/mod.rs
@@ -1,4 +1,5 @@
 //! A color is internally represented as either RGBA or HSLA.
+//!
 //! Colors can be constructed in SASS through names (e.g. red, blue, aqua)
 //! or the builtin functions `rgb()`, `rgba()`, `hsl()`, and `hsla()`,
 //! all of which can accept 1-4 arguments.
diff --git a/src/utils/number.rs b/src/utils/number.rs
index d4a5b98..8ddc824 100644
--- a/src/utils/number.rs
+++ b/src/utils/number.rs
@@ -9,12 +9,28 @@ use crate::Token;
 
 #[derive(Debug)]
 pub(crate) struct ParsedNumber {
+    /// The full number excluding the decimal
+    ///
+    /// E.g. for `1.23`, this would be `"123"`
     pub num: String,
+
+    /// The length of the decimal
+    ///
+    /// E.g. for `1.23`, this would be `2`
     pub dec_len: usize,
+
+    /// The number following e in a scientific notated number
+    ///
+    /// E.g. for `1e23`, this would be `"23"`,
+    /// for `1`, this would be an empty string
     // TODO: maybe we just return a bigint?
     pub times_ten: String,
+
+    /// Whether or not `times_ten` is negative
+    ///
+    /// E.g. for `1e-23` this would be `true`,
+    /// for `1e23` this would be `false`
     pub times_ten_is_postive: bool,
-    pub is_float: bool,
 }
 
 impl ParsedNumber {
@@ -23,14 +39,12 @@ impl ParsedNumber {
         dec_len: usize,
         times_ten: String,
         times_ten_is_postive: bool,
-        is_float: bool,
     ) -> Self {
         Self {
             num,
             dec_len,
             times_ten,
             times_ten_is_postive,
-            is_float,
         }
     }
 }
@@ -49,7 +63,7 @@ pub(crate) fn eat_number<I: Iterator<Item = Token>>(
 
     if toks.peek().is_none() {
         return Ok(Spanned {
-            node: ParsedNumber::new(whole, 0, String::new(), true, false),
+            node: ParsedNumber::new(whole, 0, String::new(), true),
             span,
         });
     }
@@ -110,7 +124,7 @@ pub(crate) fn eat_number<I: Iterator<Item = Token>>(
     whole.push_str(&dec);
 
     Ok(Spanned {
-        node: ParsedNumber::new(whole, dec.len(), times_ten, times_ten_is_postive, is_float),
+        node: ParsedNumber::new(whole, dec.len(), times_ten, times_ten_is_postive),
         span,
     })
 }
diff --git a/src/value/parse.rs b/src/value/parse.rs
index 03a1b1f..e63713a 100644
--- a/src/value/parse.rs
+++ b/src/value/parse.rs
@@ -643,10 +643,10 @@ impl Value {
                     )
                 };
 
-                let n = if val.is_float {
-                    BigRational::new(val.num.parse().unwrap(), pow(BigInt::from(10), val.dec_len))
-                } else {
+                let n = if val.dec_len == 0 {
                     BigRational::new_raw(val.num.parse::<BigInt>().unwrap(), BigInt::one())
+                } else {
+                    BigRational::new(val.num.parse().unwrap(), pow(BigInt::from(10), val.dec_len))
                 } * if val.times_ten_is_postive {
                     BigRational::new_raw(times_ten, BigInt::one())
                 } else {
diff --git a/src/value/sass_function.rs b/src/value/sass_function.rs
index 82d265f..18eb671 100644
--- a/src/value/sass_function.rs
+++ b/src/value/sass_function.rs
@@ -20,6 +20,7 @@ use crate::selector::Selector;
 use crate::value::Value;
 
 /// A SASS function
+///
 /// See toplevel documentation for more information
 ///
 /// The function name is stored in addition to the body