  The DM11L is a mid-range scientific programmable calculator.
Features:
- Construction: Case made from a sand-blasted Grade 1 Titanium housing, brown anodized and laser engraved
- Software: ARM microcontroller emulating the NUT processor
- Processor: LPC1115 32-bit ARM Cortex-M0 microcontroller
- Memory: 64 kB internal flash, 8kB RAM
- Display Type: Reflective Positive FSTN
- Display Resolution: 132 × 16 pixels
- Display Active Area: 69.1 mm × 10.0 mm / 2.72" x 0.39"
- Display Dot Pitch: 524 µm × 626 µm
- Connectivity (PC): USB Mini-AB port for firmware update and data exchange via CDC
- Battery Type: 1 × CR2032 lithium coin cell, 3.0 volts
- Battery Life: Up to 5 years
- Sound: 4 kHz resonance frequency Piezo-electric buzzer
- Size: 129 mm × 79 mm × 13 mm / 5.08" x 3.11" x 0.51"
- Weight: 150 g / 5.29 oz
- Warranty: 5 years
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Hewlett Packard HP-11C RPN Scientific Calculator (Used)
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