# Main datasets with all the subtraction operations run by users

#### This page contains the links to all the subtraction operations performed by users. At this moment, these operations have been grouped into three data sets:

#### 1) Data set no. 1: all the subtraction operations that have as results numbers that are less than -850.

#### 2) The data set no. 2: all the subtraction operations that have as results numbers that are equal to or greater than -850 and less than 550.

#### 3) Data set no. 3: all the subtraction operations that have as results numbers that are equal to or greater than 550.