diff --git a/src/numbers/native.rs b/src/numbers/native.rs
index 99632da..5443e43 100644
--- a/src/numbers/native.rs
+++ b/src/numbers/native.rs
@@ -60,11 +60,11 @@ impl Num for NativeFloat64 {
 }
 
 impl Assign for NativeFloat64 {
-	fn assign(&mut self, src: Self) { self.0 = src.0 }
+	fn assign(&mut self, src: Self) { self.0 = src.0; }
 }
 
 impl Assign<&NativeFloat64> for NativeFloat64 {
-	fn assign(&mut self, src: &NativeFloat64) { self.0 = src.0 }
+	fn assign(&mut self, src: &NativeFloat64) { self.0 = src.0; }
 }
 
 impl From<usize> for NativeFloat64 {
@@ -159,21 +159,19 @@ impl ops::Rem<&NativeFloat64> for NativeFloat64 {
 }
 
 impl ops::AddAssign for NativeFloat64 {
-	fn add_assign(&mut self, rhs: Self) { self.0 += rhs.0 }
+	fn add_assign(&mut self, rhs: Self) { self.0 += rhs.0; }
 }
 
 impl ops::SubAssign for NativeFloat64 {
-	fn sub_assign(&mut self, rhs: Self) { self.0 -= rhs.0 }
+	fn sub_assign(&mut self, rhs: Self) { self.0 -= rhs.0; }
 }
 
 impl ops::MulAssign for NativeFloat64 {
-	fn mul_assign(&mut self, rhs: Self) { self.0 *= rhs.0 }
+	fn mul_assign(&mut self, rhs: Self) { self.0 *= rhs.0; }
 }
 
 impl ops::DivAssign for NativeFloat64 {
-	fn div_assign(&mut self, rhs: Self) {
-		self.0 /= &rhs.0;
-	}
+	fn div_assign(&mut self, rhs: Self) { self.0 /= &rhs.0; }
 }
 
 impl ops::RemAssign for NativeFloat64 {
@@ -183,15 +181,15 @@ impl ops::RemAssign for NativeFloat64 {
 }
 
 impl ops::AddAssign<&NativeFloat64> for NativeFloat64 {
-	fn add_assign(&mut self, rhs: &NativeFloat64) { self.0 += &rhs.0 }
+	fn add_assign(&mut self, rhs: &NativeFloat64) { self.0 += &rhs.0; }
 }
 
 impl ops::SubAssign<&NativeFloat64> for NativeFloat64 {
-	fn sub_assign(&mut self, rhs: &NativeFloat64) { self.0 -= &rhs.0 }
+	fn sub_assign(&mut self, rhs: &NativeFloat64) { self.0 -= &rhs.0; }
 }
 
 impl ops::MulAssign<&NativeFloat64> for NativeFloat64 {
-	fn mul_assign(&mut self, rhs: &NativeFloat64) { self.0 *= &rhs.0 }
+	fn mul_assign(&mut self, rhs: &NativeFloat64) { self.0 *= &rhs.0; }
 }
 
 impl ops::DivAssign<&NativeFloat64> for NativeFloat64 {
diff --git a/src/numbers/rational_num.rs b/src/numbers/rational_num.rs
index 6dc0a98..d2908f5 100644
--- a/src/numbers/rational_num.rs
+++ b/src/numbers/rational_num.rs
@@ -17,19 +17,20 @@
 
 use super::{Assign, From, Number};
 
-use num_bigint::{BigInt, ParseBigIntError};
-use num_rational::BigRational; // TODO: Can we do Ratio<IBig> and combine with ibig?
 use num_traits::{Num, One, Signed, Zero};
 
 use std::cmp::{Ord, Ordering, PartialEq, PartialOrd};
 use std::fmt;
 use std::ops;
 
+type RatioBase = num_bigint::BigInt;
+type RatioType = num_rational::BigRational;
+
 #[derive(Clone, PartialEq, PartialOrd)]
-pub struct Rational(BigRational);
+pub struct Rational(RatioType);
 
 impl Number for Rational {
-	fn new() -> Self { Self(BigRational::zero()) }
+	fn new() -> Self { Self(RatioType::zero()) }
 	
 	fn describe() -> String { "--numbers rational".to_string() }
 	
@@ -41,7 +42,7 @@ impl Number for Rational {
 		if dps == 0 {
 			self.0 = self.0.floor();
 		} else {
-			let factor = BigRational::from_integer(BigInt::from(10)).pow(dps as i32);
+			let factor = RatioType::from_integer(RatioBase::from(10)).pow(dps as i32);
 			self.0 *= &factor;
 			self.0 = self.0.floor();
 			self.0 /= factor;
@@ -52,7 +53,7 @@ impl Number for Rational {
 		if dps == 0 {
 			self.0 = self.0.ceil();
 		} else {
-			let factor = BigRational::from_integer(BigInt::from(10)).pow(dps as i32);
+			let factor = RatioType::from_integer(RatioBase::from(10)).pow(dps as i32);
 			self.0 *= &factor;
 			self.0 = self.0.ceil();
 			self.0 /= factor;
@@ -61,10 +62,10 @@ impl Number for Rational {
 }
 
 impl Num for Rational {
-	type FromStrRadixErr = ParseBigIntError;
+	type FromStrRadixErr = <RatioBase as Num>::FromStrRadixErr;
 	fn from_str_radix(str: &str, radix: u32) -> Result<Self, Self::FromStrRadixErr> {
-		match BigInt::from_str_radix(str, radix) {
-			Ok(value) => Ok(Self(BigRational::from_integer(value))),
+		match RatioBase::from_str_radix(str, radix) {
+			Ok(value) => Ok(Self(RatioType::from_integer(value))),
 			Err(err) => Err(err)
 		}
 	}
@@ -79,13 +80,14 @@ impl Assign<&Rational> for Rational {
 }
 
 impl From<usize> for Rational {
-	fn from(n: usize) -> Self { Self(BigRational::from_integer(BigInt::from(n))) }
+	fn from(n: usize) -> Self { Self(RatioType::from_integer(RatioBase::from(n))) }
 }
 
 impl From<f64> for Rational {
 	fn from(n: f64) -> Self {
 		// FIXME: This is very broken!
-		return Self(BigRational::from_float(n).unwrap() * BigRational::from_integer(BigInt::from(100000)).round() / BigRational::from_integer(BigInt::from(100000)));
+		//return Self(RatioType::from_float(n).unwrap() * RatioType::from_integer(100000).round() / RatioType::from_integer(100000));
+		todo!();
 	}
 }
 
@@ -96,10 +98,10 @@ impl fmt::Display for Rational {
 				let result = self.0.round().to_integer().to_string();
 				return f.write_str(&result);
 			} else {
-				let base = BigInt::from(10).pow(precision as u32);
+				let base = RatioBase::from(10).pow(precision as u32);
 				let mut result = (&self.0 * base).abs().round().to_integer().to_string();
 				
-				let should_add_minus = (self.0 < BigRational::zero()) && result != "0";
+				let should_add_minus = (self.0 < RatioType::zero()) && result != "0";
 				
 				// Add leading 0s
 				result = format!("{0:0>1$}", result, precision + 1);
@@ -121,7 +123,7 @@ impl fmt::Display for Rational {
 }
 
 impl One for Rational {
-	fn one() -> Self { Self(BigRational::one()) }
+	fn one() -> Self { Self(RatioType::one()) }
 }
 
 impl Zero for Rational {
@@ -204,19 +206,19 @@ impl ops::Rem<&Rational> for Rational {
 }
 
 impl ops::AddAssign for Rational {
-	fn add_assign(&mut self, rhs: Self) { self.0 += rhs.0 }
+	fn add_assign(&mut self, rhs: Self) { self.0 += rhs.0; }
 }
 
 impl ops::SubAssign for Rational {
-	fn sub_assign(&mut self, rhs: Self) { self.0 -= rhs.0 }
+	fn sub_assign(&mut self, rhs: Self) { self.0 -= rhs.0; }
 }
 
 impl ops::MulAssign for Rational {
-	fn mul_assign(&mut self, rhs: Self) { self.0 *= rhs.0 }
+	fn mul_assign(&mut self, rhs: Self) { self.0 *= rhs.0; }
 }
 
 impl ops::DivAssign for Rational {
-	fn div_assign(&mut self, rhs: Self) { self.0 /= &rhs.0 }
+	fn div_assign(&mut self, rhs: Self) { self.0 /= &rhs.0; }
 }
 
 impl ops::RemAssign for Rational {
@@ -226,15 +228,15 @@ impl ops::RemAssign for Rational {
 }
 
 impl ops::AddAssign<&Rational> for Rational {
-	fn add_assign(&mut self, rhs: &Rational) { self.0 += &rhs.0 }
+	fn add_assign(&mut self, rhs: &Rational) { self.0 += &rhs.0; }
 }
 
 impl ops::SubAssign<&Rational> for Rational {
-	fn sub_assign(&mut self, rhs: &Rational) { self.0 -= &rhs.0 }
+	fn sub_assign(&mut self, rhs: &Rational) { self.0 -= &rhs.0; }
 }
 
 impl ops::MulAssign<&Rational> for Rational {
-	fn mul_assign(&mut self, rhs: &Rational) { self.0 *= &rhs.0 }
+	fn mul_assign(&mut self, rhs: &Rational) { self.0 *= &rhs.0; }
 }
 
 impl ops::DivAssign<&Rational> for Rational {
diff --git a/src/numbers/rational_rug.rs b/src/numbers/rational_rug.rs
index 720b8c7..950aba4 100644
--- a/src/numbers/rational_rug.rs
+++ b/src/numbers/rational_rug.rs
@@ -204,19 +204,19 @@ impl ops::Rem<&Self> for Rational {
 }
 
 impl ops::AddAssign for Rational {
-	fn add_assign(&mut self, rhs: Self) { self.0 += rhs.0 }
+	fn add_assign(&mut self, rhs: Self) { self.0 += rhs.0; }
 }
 
 impl ops::SubAssign for Rational {
-	fn sub_assign(&mut self, rhs: Self) { self.0 -= rhs.0 }
+	fn sub_assign(&mut self, rhs: Self) { self.0 -= rhs.0; }
 }
 
 impl ops::MulAssign for Rational {
-	fn mul_assign(&mut self, rhs: Self) { self.0 *= rhs.0 }
+	fn mul_assign(&mut self, rhs: Self) { self.0 *= rhs.0; }
 }
 
 impl ops::DivAssign for Rational {
-	fn div_assign(&mut self, rhs: Self) { self.0 /= rhs.0 }
+	fn div_assign(&mut self, rhs: Self) { self.0 /= rhs.0; }
 }
 
 impl ops::RemAssign for Rational {
@@ -226,15 +226,15 @@ impl ops::RemAssign for Rational {
 }
 
 impl ops::AddAssign<&Self> for Rational {
-	fn add_assign(&mut self, rhs: &Self) { self.0 += &rhs.0 }
+	fn add_assign(&mut self, rhs: &Self) { self.0 += &rhs.0; }
 }
 
 impl ops::SubAssign<&Self> for Rational {
-	fn sub_assign(&mut self, rhs: &Self) { self.0 -= &rhs.0 }
+	fn sub_assign(&mut self, rhs: &Self) { self.0 -= &rhs.0; }
 }
 
 impl ops::MulAssign<&Self> for Rational {
-	fn mul_assign(&mut self, rhs: &Self) { self.0 *= &rhs.0 }
+	fn mul_assign(&mut self, rhs: &Self) { self.0 *= &rhs.0; }
 }
 
 impl ops::DivAssign<&Self> for Rational {