In the case that your ICA file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit ICA file extensions. If your PC opens the ICA file, but it's the wrong application, you'll need to change your Windows registry file association settings.
He found the period of the planet's revolution around the Sun in years would be equal to the cube of its average distance from the Sun in astronomical units. Let us suppose we find an asteroid with a perihelion distance of 3 AU, and aphelion distance of 5 AU. Calculate its semimajor axis (average distance from the Sun) and use Kepler's Third Law to find its orbital period in years.
Simple with the period calendar: Calculate your period calendar based on your menstrual tracker history, or run Quick Calculate, to forecast your future periods. Also check if your period is late! Step 1. Select Calculation Rule. Your upcoming periods will be calculated based on your last period and average cycle length, as determined by your tracking history. To use this option, you need to be logged in. Your upcoming periods are calculated using the data specified below.