・ When started, the input screen is displayed.
-Select the input method of the probability that a certain event will occur from "Fraction" and "%", and enter the numerical value.
-Select the method of inputting the measured value when an actual event occurred from "Value" and "Range", and enter the value.
・ The measured values are the number of times the left side has occurred and the total number of times measured on the right side.
・ After inputting, touch "What is the probability that the actual measurement value will be obtained under the set probability?".
-Calculate the binomial distribution based on the entered numerical value and display the result.