Introduction; Features - Texas Instruments TI-5015 Operating Manual

INTRODUCTION
This electronic desk-top printing calculator provides a high degree of
versatility and performance. Its unique construction is made possible by the
whisper-quiet, electronic printer (no ribbon) and reliable integrated circuits
pioneered by Texas instruments. The convenience of the calculator is
accented by its easy-to-use keyboard, independent add register, grand total
register and many other features. Like all other products manufactured by
Texas Instruments, this calculator has been designed and built to provide
you with years of dependable service.
FEATURES
independent Add Register - Addition and subtraction with the familiar
entry sequence of standard business machines. Perform multiplication and
division without affecting previous add/subtract entries.
Grand Total Register - Automatically accumulates totals from the add
register. When the Grand Total is printed, this register is cleared and the
grand total is placed in the entry register for further calculations. Serves as
an accumulator for add/subtract totals.
Light Weight- Weighs less than 2V2 pounds for convenient operation at
work or at home.
Electronic Printer - Quiet, smooth-running electronic printer developed by
Texas Instruments prints up to 10 digits plus audit trail.
Repeat Entry - Once a number has been keyed into the calculator, it can
be entered as many times as you need by sequentially pressing an
operation key (
+, --).
Add Mode - For easy entry of dollars and cents, select add mode for
automatic decimal positioning at two places or select floating point for
maximum accuracy.
Fixed Point Operation - A fixed decimal point (from 1 to 9 decimal places)
is selectable via keyboard entry.
Non-Add Operation - Prints reference numbers without affecting
calculations.
Percent Key- Permits easy calculation of percentages for add-on, taxes,
discounts and other problems.
Automatic Constant - Multiplication and division by a constant number
without reentering numbers.
Keyboard Buffering - Enter additional numbers and functions while
calculator is still printing.
Two-Key Roll-Over - Lets you press a second key even before the
previously pressed key is released.