The following commands show how to calculate the mean and standard deviation by using the STAT mode on a CASIO fx GT PLUS (the procedure is similar. Look at the manual for your calculator. Go to Google and type “standard deviation with ______ calculator”. Casio fxMS. Click on the Mode button twice until. After you have turned the calculator on the first step is to choose whether you want to do a calculation or to work in statistics. Press the MODE key to enter your. These are the instructions to calculate mean & standard deviation by the Casio fx SG PLUS calculator. It works on the older Casio fxSG. How to Calculate the Standard Deviation on a Calculator. (Casio fxGT Plus). Calculating the Standard Deviation of a list of numbers: Example: Find the. Practice. ▫ Using your calculator for Linear Regression. STARTING. To use your Casio fxMS calculator for calculating statistics, you must become familiar with. Statistical Calculations; Standard Deviation - Casio FXMS User Manual. Casio calculator user manual. Show thumbs. Also See for FXMS. Please be sure to read the important notice of this manual. Moreover, CASIO Computer. Co., Ltd. .. Be sure to check the current calculation mode (SD, REG.