diff --git a/README.md b/README.md
index 0bbf789..27f69f0 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,6 @@ This is nowhere near complete. Stay tuned.
  - Arrows to move cursor
  - Documentation
  - Branding
- - ** as exponentiation
  - Improve tests
 
 
diff --git a/src/main.rs b/src/main.rs
index 0f0f87c..155189b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -309,13 +309,13 @@ mod tests {
 	
 		good_expr(64f64, "4^3");
 		good_expr(64f64, "4 ^ 3");
-		//good_expr(64f64, "4**3");
-		//good_expr(64f64, "4 ** 3");
+		good_expr(64f64, "4**3");
+		good_expr(64f64, "4 ** 3");
 
 		good_expr(-81f64, "-3^4");
 		good_expr(-81f64, "-3 ^ 4");
-		//good_expr(-81f64, "-3**4");
-		//good_expr(-81f64, "-3 ** 4");
+		good_expr(-81f64, "-3**4");
+		good_expr(-81f64, "-3 ** 4");
 		good_expr(-81f64, "-(3^4)");
 
 		//good_expr(f64, "3 ^ (-1.4)");
diff --git a/src/tokens.rs b/src/tokens.rs
index e295d6e..76568e1 100644
--- a/src/tokens.rs
+++ b/src/tokens.rs
@@ -234,16 +234,16 @@ impl Operator {
 	#[inline(always)]
 	pub fn from_string(s: &str) -> Option<Operator> {
 		match s {
-			"+"     => {Some( Operator::Add )},
-			"-"     => {Some( Operator::Subtract )},
-			"neg"   => {Some( Operator::Negative )},
-			"*"|"×" => {Some( Operator::Multiply )},
-			"/"|"÷" => {Some( Operator::Divide )},
-			"i*"    => {Some( Operator::ImplicitMultiply )},
-			"%"     => {Some( Operator::Modulo )},
-			"mod"   => {Some( Operator::ModuloLong )},
-			"^"     => {Some( Operator::Power )},
-			"!"     => {Some( Operator::Factorial )},
+			"+"      => {Some( Operator::Add )},
+			"-"      => {Some( Operator::Subtract )},
+			"neg"    => {Some( Operator::Negative )},
+			"*"|"×"  => {Some( Operator::Multiply )},
+			"/"|"÷"  => {Some( Operator::Divide )},
+			"i*"     => {Some( Operator::ImplicitMultiply )},
+			"%"      => {Some( Operator::Modulo )},
+			"mod"    => {Some( Operator::ModuloLong )},
+			"^"|"**" => {Some( Operator::Power )},
+			"!"      => {Some( Operator::Factorial )},
 			_ => None
 		}
 	}