# Thread: t-84 help- pi equivalent.

1. ## t-84 help- pi equivalent.

What is the easiest way to find the pi equivalent of a decimal?

For example the pi equivalent of 49.0088454 should be 78pi/5.

2. Divide by pi and you're left with the fractional part.

$\frac{49.0088454}{\pi}=15.6=\frac{78}{5}$

Let's try another made up one:

We have 65.65928646

Divide by Pi and get 20.9

Result: $\frac{209\pi}{10}$