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Old Calculator Museum Advertising & Documentation Archive
Wyle Laboratories Model AP-01 Arithmetic Processor (Version 2) Brochure


March, 1965
Document Courtesy of The Computer History Museum
Al Kossow, bitsavers.org

This is a product brochure for the second version of the Wyle Laboratories Arithmetic Processor, Model AP-01. Also described are a number of different external peripheral devices which could interface with the AP-01 arithmetic processor. The Arithmetic Processor was essentially the calculating engine of the Wyle Labs WS-02 electronic calculator, with digital input and output signals replacing the keyboard and CRT display of the calculator.

This version of the arithmetic processor is a redesign of the original Arithmetic Processor, as it uses a magnetostrictive delay line rather than the rotating magnetic disk drive of the earlier version of the device. The delay line can be seen in the metal box located at the left end of the device as shown in the image on the first page of the brochure. The circuit board mounted at an angle next to the delay line enclosure contains the circuitry for driving signals into the delay line and amplifying the signals that come out of the delay line.

The Arithmetic Processor can serve as the mathematical engine of any electronic system that needs to perform mathematical operations as part of its functionaly. The magnetostrictive delay line stores the working registers of the device, transistorized electronics to manipulate the data in the delay line and perform calculations, along with a power supply to run the electronics. Connector sockets on the unit provide input and output signals to external equipment.

The unit performs the basic four functions plus square root. It operates with numbers up to 21 digits in length, and uses a fixed decimal point setting located anywhere on three digit boundaries, preset by a rotary switch. There are three working registers and three memory registers.