After 10 years I think my absence of a mathematical education has finally come to hurt me in a programming setting. I need to calculate the distance between two points on Earth using a Great ...

To calculate distance, speed or time given the other two variables: Draw a formula triangle close formula triangle A tool to help decide which calculation is needed to work out speed, ...

Dear Tom, My dad told me that if you count the seconds between seeing lightning and hearing the thunder, and multiply that number of seconds by 10, it indicates how far away the lightning is. Is th… ...

That's all well and good, but it turns out that the different equations I explored for calculating the distance between two points requires the atan2() function, which isn't part of bc. Rather than ...