To quickly save a file, use the keyboard shortcut ctrtl shift s ctrl s ctrl a ctrl shift-a

Let r be a robotic arm with a fixed base and seven links. the last joint of r is a prismatic joint, the other ones are revolute joints. give a set of parameters that determines a placement of r. what is the dimension of the configuration space resulting from your choice of parameters?

How many nibbles can be stored in a 16-bit word?

In excel - calculate the actual increase/decrease from first quarter to the second quarter then subtract subtract first quarter value from second quarter total then divide result by first quarter value