Solution:

Actually, user can take advantage of VBA to keep value of certain variable for every second under Genie, but must notice the space user would use. In other words, user can declare public array and use it to store data, however the default string/array space is 8K, maximal space is up to 1MB, so user had better be careful. The first attached file about public array.. Further, this formula is simple, user can use sumation to handle part of your formula, please refer to the second file. One more thing, please pay the attention to Pre-Task Script and Basic Script.