Texas Instruments TI-503SV Pocket Calculator

+/- Switch Key - Y
Amortization - N
Backspace Key - No
Base Number Calculations - N
Bond Calculations - N Pocket-size calculator with SuperView display provides easy on-the-spot answers. Well-spaced rubber keys. Automatic power down feature conserves battery life. Change sign (+/-) key simplifies entry of negative numbers. Last answer function. Power Source(s): Battery Display Notation: Numeric Number of Display Digits: 8 Display Characters x Display Lines: N/A.Unit of Measure : Each More »