![Texas Instruments TI-503 SV Basic Function Battery Calculator Image - Click to enlarge](https://s.turbifycdn.com/aah/calculatorsource/texas-instruments-ti-503-sv-basic-function-battery-calculator-14.gif) ![](/lib/calculatorsource/trans1x1.gif) Pocket-size calculator with giant SuperView display provides easy,on-the-spot answers.
Features:
- Roomy keyboard with well-spaced rubber keys.
- Change sign (+/-) key simplifies entry of negative numbers.
- Battery powered for operation anywhere.
- Automatic Power Down (APD)™ feature conserves battery life.
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