Topic How to calculate standard deviation on calculator casio fx-85gt Learn how to easily calculate standard deviation using the Casio FX-85GT Plus calculator. With this step-by-step tutorial, you\'ll be able to navigate the calculator\'s functions to accurately determine standard deviation, as well as other statistical measures like median, upper quartile, and lower quartile. Whether you\'re a student or a professional, mastering this feature on your Casio calculator will simplify your statistical analysis and enhance your problem-solving skills. Discover the power of the Casio FX-85GT Plus and unlock the potential of accurate data calculations with ease.