1. An electronic calculator comprising: keyboard input means for entering information into the calculator; memory means, coupled to said keyboard input means, for storing information entered into the calculator from said keyboard input means; processing means, coupled to said keyboard input means and memory means, for processing information stored in said memory means; magnetic reading and recording means, coupled to said processing means, and including a magnetic record member, for tranferring information between said memory means and said magnetic record member; mode selection means for enabling the operator to select an auto start mode of calculator operation; and power switching means for enabling the operator to apply operating power to the calculator; said processing means including logic means responsive to selection of the auto start mode of calculator operation and to actuation of said power switching means applying operating power to the calculator for initiating processing by said processing means of information stored on a magnetic record member.