Check the listing for details. SwissMicros DM41X Programmable RPN Calculator - HP-41CX Clone. Condition: New. Listed at 339.95 USD. This item is Brand New in Perfect Condition! We are a legitimate business specializing in calculator products and are dedicated to accurately and efficiently serving our customers - check our About Me page for details! The DM41X is a faithful recreation of the software environment of the HP-41CX, one of the most versatile calculators ever created and the first alphanumerical calculator, in a modern hardware architecture. Easily share or back up your programs or your entire DM41X environment and use hundreds of existing, professionally developed software applications with this rugged calculator sporting a stainless steel case and a Gorilla Glass screen.Like all SwissMicros calculators, the DM41X uses the efficient and time-tested RPN logic.Features:Construction: Case made from stainless steel, matte black Physical Vapour Deposition (PVD) coated and laser engravedSoftware: Based on the legendary HP-41CX, it runs on the SwissMicros Operating System (DMCP). Logical compatibility with existing HP expansion modules.Processor: Ultra low power ARM Cortex-M4F 80 MHzFlash Memory: 32 MBit external flashDisplay Type: Monochromatic ultra high contrast (14:1) transflective memory LCD displayDisplay Resolution: 400 × 240 pixelsDisplay Active Area: 58.8 mm × 35.28 mm / 2.31" x 1.39"Display Dot Pitch: 147 µm × 147 µmConnectivity (PC): USB-Micro-B port, connects as USB mass storage deviceConnectivity (IR): IR Transmitter compatible with the original HP-82240A/B printerBattery Type: 1 × CR2032 lithium coin cell, 3.0 voltsBattery Life: Up to 3 yearsSound: 4 kHz resonance frequency Piezo-electric buzzerSize: 77 mm × 144 mm × 12 mm / 3.03" x 5.66" x 0.47"Weight: 180 g / 6.35 ozWarranty: 5 years