The tutor shares another convenient feature of the Casio fx-260solar.

In high school math, you might have to convert between degrees and rads. It’s easy with the Casio fx-260solar; here’s how:

Example 1

Convert 60 degrees to rads.

Solution:

1. Let’s start in deg mode (MODE 4).
2. Enter 60.
3. Key SHIFT MODE 5. Now you’re in rad mode; hopefully you see 1.047197551 across the screen. 60 degrees is, in fact, 1.047197551rads.

Example 2

Convert 2.3rads to degrees.

1. Start in rad mode (MODE 5).
2. Enter 2.3.
3. Key SHIFT MODE 4. Now you’re in degree mode; hopefully you see 131.7802929. Indeed, 2.3rads is 131.7802929deg.

HTH:)

Source:

Casio fx-260solar Operation Manual. London: Casio Electronics Co Ltd.

Jack of Oracle Tutoring by Jack and Diane, Campbell River, BC.