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Ed Nisley's Blog: Shop notes, electronics, firmware, machinery, 3D printing, laser cuttery, and curiosities. Contents: 100% human thinking, 0% AI slop.

Powers of Two: The List

A few sheets of fanfold “computer paper” emerged while tossing stuff out. The first page suggests somebody was trying out some simple programming:

Powers of 2 Listing - top
Powers of 2 Listing – top

Seven pages later, you can tell an extended-precision library was hard at work:

Powers of 2 Listing - bottom
Powers of 2 Listing – bottom

This being mainframe line printer paper, somebody must have donated it to my heap; I have no memory of ever doing (or needing to do) extended-precision math. That’s my story and I’m sticking with it.

More than you care to know about Powers of Two.

Comments

4 responses to “Powers of Two: The List”

  1. madbodger Avatar
    madbodger

    Whoever it was seems to have skipped 2⁰ = 1.

    1. Ed Avatar

      Probably triggered an ABEND and a genuine Core Dump…

      1. Frans Avatar

        Incidentally, are you aware that Abend is German for evening/night?

        1. Ed Avatar

          Yup, we probably learned that in the first week… long before I learned about ABEND codes.