Operation Manual

This line of best fit, y'=0.67732519x'-18.66637321 models the

linear trend of the data.

The linear model gives an estimated braking distance of

18.59 meters for a vehicle traveling at 55 kph.

Probability

This key displays two menus: PRB and RAND.

PRB contains the following options:

Press $ to view a and b.

Press $ until y' is highlighted.

< 55 E <

nPr Calculates the number of possible

permutations of n items taken r at a time,

given n and r. The order of objects is

important, as in a race.

nCr Calculates the number of possible

combinations of n items taken r at a time,

given n and r. The order of objects is not

important, as in a hand of cards.