diff --git a/float_util.go b/float_util.go
index c6e5be4..999a59b 100644
--- a/float_util.go
+++ b/float_util.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"math"
 	"math/big"
+	"strings"
 )
 
 func RoundFloat64(f float64, dec int) float64 {
@@ -64,3 +65,20 @@ func Float64PtrToString(f *float64) string {
 	}
 	return fmt.Sprintf("%.2f", *f)
 }
+
+func FormatFloat64Number(f float64, dec int) string {
+	res := ""
+
+	f = RoundFloat64(f, dec)
+
+	i := int64(f)
+
+	format := fmt.Sprintf("%%.%df", dec)
+	parts := strings.Split(fmt.Sprintf(format, f-float64(i)), ".")
+
+	decimals := parts[1]
+
+	res = FormatInt64Number(i) + "," + decimals
+
+	return res
+}
diff --git a/int_util.go b/int_util.go
index 3c2146c..9c4e41f 100644
--- a/int_util.go
+++ b/int_util.go
@@ -65,3 +65,15 @@ func MinInt64(vars ...int64) (min int64) {
 	}
 	return min
 }
+
+func FormatInt64Number(i int64) string {
+	res := ""
+
+	for i >= 1000 {
+		rem := i % 1000
+		i = i / 1000
+		res = res + fmt.Sprintf(".%03d", rem)
+	}
+	res = fmt.Sprintf("%d", i) + res
+	return res
+}