swissmicros DM42n计算器介绍及欣赏

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Description

The DM42n, a flagship RPN calculator inour lineup, is a faithful tribute to the iconic HP-42S, often considered thegreatest calculator ever created. Building upon the DM42, this improved versionfeatures significantly more RAM, a substantially faster CPU, and a modern USB-Cport.

The DM42n is the most precise calculatoron the worldwide market — second to none — and uses the powerful and proven RPNlogic. The DM42n runs Free42, based on a decimal floating-point math libraryand IEEE 754-2008 quadruple precision decimal floating-point, encoding numbersin 16 bytes and giving 34 decimal places of precision with exponents rangingfrom -6143 to +6144.

DM42n calculator features

• 34-digit mantissa for ultimate handheld precision
  
• Uses proven RPN logic
  
• Programmable
  
• Alphanumeric display
  
• Custom program labels execute upon a single key     press
  
• Solver
  
• Integration
  
• Matrix operations
  
• Complex numbers support
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DM42n hardware features

• A USB-C connector for complete and easy     calculator contents backup
  
• Sleek and sturdy hardware based on a stainless steel     shell
  
• Multi-line program editor
  
• Fast STM32U5 CPU
  
• Single coin-cell operation
  
• Low power - long battery life
  

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Compare to othermodels

CalculatorComparison DM41X, DM42n/DM42, DM32

User manual

Please find theonline DM42 User Manual

Specifications

Aspect	Details
Construction	case made from stainless steel, matte black Physical  Vapour Deposition (PVD) coated and laser engraved
Software	Open Source Free42 running on SwissMicros Operating  System (no emulation)
Processor	ultra-low-power ARM® Cortex-M33®, at max. 160 MHz
Flash memory	64 MBit additional flash
Floating Point Standard	IEEE 754-2008 128-bit floating point precision  implementation
ISO Conformity	ISO/IEC TR 24732
Display type	monochromatic ultra-high contrast (14:1) transflective  memory LCD display
Display resolution	400 × 240 pixels
Display active area	58.8 × 35.28 mm
Display dot pitch	147 × 147 µm
Connectivity (PC)	USB-C, connects as USB mass storage device
Connectivity (IR)	IR Transmitter compatible with the original HP-82240A/B  printer
Battery type	1 × CR2032 3V lithium coin cell
Size	77 × 144 × 12 mm
Weight	180 g
Warranty	5 years