The analog clock widget has a beautiful and fresh interface. It just simulates a clock and with a second hand. You can also choose the background color you like.
Standard Deviation & Variance Calculator calculates the mean, variance, and standard deviation of a sample or a population based on the discrete data set you provide, and shows all the intermediate steps of calculations.
The Time Difference Calculator is an online tool that can help you conveniently calculate the interval between two times. The calculation result is accurate to hours, minutes and seconds. It can easily calculate the date time difference.
The Age Calculator can determine the age base on your selected birth date. The calculated age will be displayed in years, months, weeks, days, hours, minutes, and seconds.