Wang LOCI-2 Circuit Board 1405A

This circuit board contains an assortment of various control logic functions that generate signals that are used throughout the calculator. Most of the circuitry involves generation of shift pulses that manipulate numbers in the A, W and L registers to allow transfer of numbers between the registers as well as performing addition/subtraction in a W and L registers. Also included is logic involved in the entering of numbers into the W register from the keyboard or punched card reader, as well as some decimal point management logic.