Trying to create a one way data table to test one different variable in a spreadsheet

I am trying to create a one way data table that will allow me to test a range of numbers for a specific variable.
I have a range of numbers that are listed in cells J20…J45
I am wanting the value of these cells to replace the variable in cell L1 and the out puts to be displayed in the cells M20…M45

I have tried about every thing I can find with a google search. Thanks in advanced and I hope my question isn’t too confusing.

Multiple Operations