diff --git a/README.md b/README.md index 442e995..2c7cffd 100644 --- a/README.md +++ b/README.md @@ -1,6 +1,6 @@ # Arithmetic Derivative -Arithmetic derivative calculator using this simple formulas: +An arithmetic derivative calculator that uses these simple formulas: * 0' = 1' = 0; * if n is a prime, n' = 1; * if n = ab (a and b > 1), n' = a'b + ab'