Round a numeric value to the nearest multiple of 10^n.
Round a numeric value to the nearest multiple of 10^n toward zero.
Round a numeric value to the nearest multiple of b^n toward zero.
Round a numeric value to the nearest multiple of 10^n toward negative infinity.
Round a complex number to the nearest multiple of 10^n toward positive infinity.
Round a complex number to the nearest multiple of 10^n toward negative infinity.
Round a numeric value to the nearest multiple of b^n on a linear scale.
Round a numeric value to the nearest multiple of 10^n toward positive infinity.
Round a complex number to the nearest multiple of 10^n.