Square Root Subroutine for PDP-1

This document is an interoffice memorandum (M-1092) dated November 22, 1960, providing specifications and code for a square root subroutine for the PDP-1. It details the calling sequence for the subroutine and provides the source code instructions for implementation. The subroutine is designed to calculate the square root of octal numbers within a specific range, utilizing a division subroutine for its calculations.