working on number type

src/main.go

@@ -3,5 +3,6 @@ package main
 import "fmt"
 
 func main() {
+	translate("")
 	fmt.Println("hello world")
 }

src/number.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"fmt"
+	"math/big"
+)
+
+// a number type
+type number = *big.Rat
+
+// create a number from two integers
+var createNumber = big.NewRat
+
+// create a new number type
+func newNumber() *big.Rat {
+	return new(big.Rat)
+}
+
+// converts a string into a number
+func stringToNumber(str string) (*big.Rat, bool) {
+	return newNumber().SetString(str)
+}
+
+// converts a number type to a string
+func numberToString(num number, fraction bool) string {
+	if fraction {
+		return num.RatString()
+	}
+	x, _ := num.Float64()
+	return fmt.Sprint(x)
+}

src/translate.go

@@ -0,0 +1,16 @@
+package main
+
+import (
+	"fmt"
+)
+
+func translate(code string) {
+	a := createNumber(7, 1)
+	b, worked := stringToNumber("1e-1")
+	if worked {
+		output := newNumber().Mul(a, b)
+		output.Add(output, a)
+		output.Sub(output, a)
+		fmt.Println(numberToString(output, true))
+	}
+}