Calculator with history

A simple and easy-to-use calculator that keeps calculation results as a history.
It is a slightly unusual calculator that can calculate total values, average values, and various other values from the data in the history.
You can enter only a numerical value and leave it in the history, so you can use it as a memo.
It is a convenient application for a little daily use that you do not need to use spreadsheet software such as Excel.

Values that can be output are as follows
・The number of data
・Total value
・Maximum value
・minimum value
・Average value
・Median value
・Variance value
・standard deviation