Olivetti Programma 101 Reference Manual page 4

Preface
Programma 101 is a completely self-contained desk-
top machine capable of operating in manual mode as a
high speed electronic printing calculator, in program
mode as an automatic computer with the ability to
follow stored instructions, or in a combination of the
two modes.
This manual discusses the operation and capabilities of
Programma 101 in all of its modes. It is divided into a
description of the computer, an explanation of its
program language, and a brief presentation of the
procedures and techniques for its programming and
use.