diff --git a/src/propeller/push/instructions/numeric.cljc b/src/propeller/push/instructions/numeric.cljc
index 847b013..c6e4a45 100755
--- a/src/propeller/push/instructions/numeric.cljc
+++ b/src/propeller/push/instructions/numeric.cljc
@@ -533,6 +533,14 @@ Otherwise, acts as a NOOP"
   (fn [stack state]
     (make-instruction state dec [stack] stack)))
 
+;; Pushes the square of the top item of the stack
+(def _square
+  "Pushes the square of the top item of the stack"
+  ^{:stacks #{}
+    :name "_square"}
+  (fn [stack state]
+    (make-instruction state #(* % %) [stack] stack)))
+
 (generate-instructions
   [:float :integer]
   [_gt _gte _lt _lte _add _subtract _mult _quot _mod _max _min _inc _dec
@@ -541,7 +549,8 @@ Otherwise, acts as a NOOP"
    _gt_buy_sell _gt_buy_hold _gt_sell_buy _gt_sell_hold _gt_hold_buy _gt_hold_sell
    _gte_buy_sell _gte_buy_hold _gte_sell_buy _gte_sell_hold _gte_hold_buy _gte_hold_sell
    _lt_buy_sell _lt_buy_hold _lt_sell_buy _lt_sell_hold _lt_hold_buy _lt_hold_sell
-   _lte_buy_sell _lte_buy_hold _lte_sell_buy _lte_sell_hold _lte_hold_buy _lte_hold_sell])
+   _lte_buy_sell _lte_buy_hold _lte_sell_buy _lte_sell_hold _lte_hold_buy _lte_hold_sell
+   _square])
 
 ;; =============================================================================
 ;; FLOAT Instructions only
@@ -579,24 +588,17 @@ Otherwise, acts as a NOOP"
 ;; Pushes the square root of the top FLOAT. Makes the value
 ;; absolute first.
 (def-instruction
-  :float_tan
+  :float_sqrt
   ^{:stacks #{:float}}
   (fn [state]
-    (make-instruction state #(math/sqrt (abs %)) [:float] :float)))
+    (make-instruction state #(math/sqrt (math/abs %)) [:float] :float)))
 
-;; Pushes the log of the top FLOAT
+;; Pushes the natural log of the top FLOAT
 (def-instruction
-  :float_tan
+  :float_log
   ^{:stacks #{:float}}
   (fn [state]
-    (make-instruction state #(if (zero? %) 1 (math/log (abs %))) [:float] :float)))
-
-;; Pushes the square of the top FLOAT
-(def-instruction
-  :float_tan
-  ^{:stacks #{:float}}
-  (fn [state]
-    (make-instruction state #(* % %) [:float] :float)))
+    (make-instruction state #(if (zero? %) 1 (math/log (math/abs %))) [:float] :float)))
 
 ;; Pushes the floating point version of the top INTEGER
 (def-instruction
diff --git a/src/propeller/push/instructions/signal.cljc b/src/propeller/push/instructions/signal.cljc
index 95ea7d1..03458e5 100644
--- a/src/propeller/push/instructions/signal.cljc
+++ b/src/propeller/push/instructions/signal.cljc
@@ -6,3 +6,44 @@
                                                 generate-instructions
                                                 make-instruction]]))
 
+;; Changes the top signal from :buy to :sell if applicable
+(def-instruction
+  :signal_swap_buy_sell
+  ^{:stacks #{:signal}}
+  (fn [state]
+    (make-instruction state #(if (= :buy %) :sell :buy) [:signal] :signal)))
+
+;; Changes the top signal from :buy to :hold if applicable
+(def-instruction
+  :signal_swap_buy_hold
+  ^{:stacks #{:signal}}
+  (fn [state]
+    (make-instruction state #(if (= :buy %) :hold :buy) [:signal] :signal)))
+
+;; Changes the top signal from :sell to :buy if applicable
+(def-instruction
+  :signal_swap_sell_buy
+  ^{:stacks #{:signal}}
+  (fn [state]
+    (make-instruction state #(if (= :sell %) :buy :sell) [:signal] :signal)))
+
+;; Changes the top signal from :sell to :hold if applicable
+(def-instruction
+  :signal_swap_sell_hold
+  ^{:stacks #{:signal}}
+  (fn [state]
+    (make-instruction state #(if (= :sell %) :hold :sell) [:signal] :signal)))
+
+;; Changes the top signal from :hold to :buy if applicable
+(def-instruction
+  :signal_swap_hold_buy
+  ^{:stacks #{:signal}}
+  (fn [state]
+    (make-instruction state #(if (= :hold %) :buy :hold) [:signal] :signal)))
+
+;; Changes the top signal from :hold to :sell if applicable
+(def-instruction
+  :signal_swap_hold_sell
+  ^{:stacks #{:signal}}
+  (fn [state]
+    (make-instruction state #(if (= :hold %) :sell :hold) [:signal] :signal)))
\ No newline at end of file