diff --git a/calculate.go b/calculate.go
index 70655db..3c50b24 100644
--- a/calculate.go
+++ b/calculate.go
@@ -183,7 +183,6 @@ func (operation *Operation) solution () (solution int64, err error) {
 
 func (operation *Operation) inexactSolution () (solution float64, err error) {
 	var subSolution float64
-	var rawSolution uint64
 	
 	switch operation.opcode {
 	case OpcodeAdd:
@@ -271,88 +270,10 @@ func (operation *Operation) inexactSolution () (solution float64, err error) {
 			}
 		}
 	
-	case OpcodeOr:
-		for _, operand := range operation.operands {
-			subSolution, err = operand.InexactSolution()
-			if err != nil { return }
-			rawSolution |= math.Float64bits(subSolution)
-		}
-		solution = math.Float64frombits(rawSolution)
-		
-	case OpcodeNot:
-		if len(operation.operands) != 1 {
-			err = ErrorWrongOperandCount
-			return
-		}
-
-		subSolution, err = operation.operands[0].InexactSolution()
-		solution = math.Float64frombits(^math.Float64bits(subSolution))
-		
-	case OpcodeAnd:
-		for index, operand := range operation.operands {
-			subSolution, err = operand.InexactSolution()
-			if err != nil { return }
-			if index == 0 {
-				rawSolution = math.Float64bits(subSolution)
-			} else {
-				rawSolution &= math.Float64bits(subSolution)
-			}
-		}
-		solution = math.Float64frombits(rawSolution)
-		
-	case OpcodeXor:
-		for index, operand := range operation.operands {
-			subSolution, err = operand.InexactSolution()
-			if err != nil { return }
-			if index == 0 {
-				rawSolution = math.Float64bits(subSolution)
-			} else {
-				rawSolution ^= math.Float64bits(subSolution)
-			}
-		}
-		solution = math.Float64frombits(rawSolution)
-		
-	case OpcodeLeftShift:
-		if len(operation.operands) != 2 {
-			err = ErrorWrongOperandCount
-			return
-		}
-
-		var left, right float64
-		left, err = operation.operands[0].InexactSolution()
-		if err != nil { return }
-		right, err = operation.operands[1].InexactSolution()
-		if err != nil { return }
-
-		if right < 0 {
-			err = ErrorNegativeShiftAmount
-			return
-		}
-
-		solution = math.Float64frombits (
-			math.Float64bits(left) <<
-			math.Float64bits(right))
-		
-	case OpcodeRightShift:
-		if len(operation.operands) != 2 {
-			err = ErrorWrongOperandCount
-			return
-		}
-
-		var left, right float64
-		left, err = operation.operands[0].InexactSolution()
-		if err != nil { return }
-		right, err = operation.operands[1].InexactSolution()
-		if err != nil { return }
-
-		if right < 0 {
-			err = ErrorNegativeShiftAmount
-			return
-		}
-
-		solution = math.Float64frombits (
-			math.Float64bits(left) >>
-			math.Float64bits(right))
+	case
+		OpcodeOr, OpcodeNot, OpcodeAnd, OpcodeXor, OpcodeLeftShift,
+		OpcodeRightShift:
+		err = ErrorWrongType
 		
 	case OpcodeMean:
 		if len(operation.operands) == 0 { break }