how to split an output into various output

i need to make the difference between the first and second and the third and second data ...ect

[Jan]

This is vague only. Could you add any details by editig the question?

[baihaki]

i have an output. i need to split it into 2 outputs so that i can find the difference(Δ) between the data

[Walter Roberson]

The question refers to my suggestion in this question