iPhone Screenshots
Description
This is a calculator for numerical play that searches for patterns where the sum of 4 values of 3 digits is 2220.
To make it easier to find various patterns, you can display 4-value input values and
There is a function to rotate and rearrange the number buttons.
example.
・Number of four corners: 111+333+777+999 = 2,220
・Number of four sides: 123+369+987+741 = 2,220