{"product_id":"swissmicros-r47-rpn-scientific-calculator","title":"SwissMicros R47 RPN Scientific Calculator","description":"\u003cp\u003e\u003cspan\u003eThe R47 is a powerful, RPN-based programmable scientific calculator with an extensive feature set. Its software has been refined over many years, born from the vision of a dream calculator developed by a team of engineers and mathematicians, all dedicated calculator enthusiasts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCommunity-developed and manufactured by SwissMicros, the R47 runs firmware that is functionally identical to that of the C47, which offers a way to transform a DM42n into a feature-rich RPN calculator using a dedicated keypad overlay.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe C47\/R47 firmware originated as a fork of the WP43 project, itself derived from the WP34S. A core component carried through this lineage is the decNumber library by Mike Cowlishaw for precise decimal arithmetic.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: red\"\u003eIMPORTANT: \u003c\/span\u003eThe R47 firmware is not written, distributed, or maintained by SwissMicros, and any support for the R47 firmware must be requested and handled by the R47 team via email to\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"mailto:support@47calc.com\"\u003esupport@47calc.com\u003c\/a\u003e. Please see the documentation at\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/47calc.com\/\"\u003ehttps:\/\/47calc.com\/\u003c\/a\u003e. The software (firmware) is currently in beta.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSoftware Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSolve equations and systems of equations\u003c\/li\u003e\n\u003cli\u003ePerform numeric definite integration and derivatives\u003c\/li\u003e\n\u003cli\u003eMatrix and vector operations including eigenvectors, generalized norms, and specialized support for 2-space and 3-space operations\u003c\/li\u003e\n\u003cli\u003eWork with complex numbers which utilize unambiguous notation and are supported for virtually all operations\u003c\/li\u003e\n\u003cli\u003eBase-n arithmetic with extensive bitwise logical operators\u003c\/li\u003e\n\u003cli\u003eProvides 34 digits of precision; exponents to ±6144; up to 1000 named variables\u003c\/li\u003e\n\u003cli\u003eInclude scientific functions such as trigonometric, hyperbolic, logarithmic, and exponential functions, plus advanced special functions.\u003c\/li\u003e\n\u003cli\u003eSupport advanced functions including Bessel, Riemann zeta, Beta, and related functions, with broad support over the complex plane.\u003c\/li\u003e\n\u003cli\u003eFeature extensive statistics, including 2-variable statistics, best-fit modelling, a large set of distributions and their inverses, and basic plotting.\u003c\/li\u003e\n\u003cli\u003eCreate programs using a multi-line editor.\u003c\/li\u003e\n\u003cli\u003eBe keystroke programmable with tests, flags, looping, and branching.\u003c\/li\u003e\n\u003cli\u003eConduct financial and date-based calculations, including time value of money operations.\u003c\/li\u003e\n\u003cli\u003eApply built-in unit conversions and a library of constants.\u003c\/li\u003e\n\u003cli\u003ePerform date and time math, as well as built-in clock functions.\u003c\/li\u003e\n\u003cli\u003eInclude an equation writer with support for solving, numeric integration, derivatives, and basic plotting.\u003c\/li\u003e\n\u003cli\u003eSupport factoring and other operations on 1000-digit integers.\u003c\/li\u003e\n\u003cli\u003eInclude built-in electrical engineering applications, such as three-phase calculations.\u003c\/li\u003e\n\u003cli\u003eFeature 8 stack levels, 3 rows of menus, and an always-on status bar.\u003c\/li\u003e\n\u003cli\u003eOffer user-customizable keyboard and softkey-based menus.\u003c\/li\u003e\n\u003cli\u003eRestore states, programs, and configuration via USB-C.\u003c\/li\u003e\n\u003cli\u003eMaintain backwards compatibility with HP-41 and HP-42 workflows.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eHardware Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction: \u003c\/strong\u003eCase made from stainless steel, matte black Physical Vapour Deposition (PVD) coated and laser engraved\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware: \u003c\/strong\u003e\u003cspan\u003eCustom calculator implementation running on SwissMicros DMCP operating system\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor: \u003c\/strong\u003eUltra-low-power ARM® Cortex-M33®, at max. 160 MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlash Memory: \u003c\/strong\u003e64 MBit additional flash\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloating Point Standard: \u003c\/strong\u003e\u003cspan\u003edecNumber library by Mike Cowlishaw\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay Type: \u003c\/strong\u003eMonochromatic ultra high contrast (14:1) transflective memory LCD display\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay Resolution: \u003c\/strong\u003e400 x 240 pixels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay Active Area: \u003c\/strong\u003e58.8 mm x 35.28 mm \/ 2.31\" x 1.39\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay Dot Pitch: \u003c\/strong\u003e147 µm x 147 µm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity (PC): \u003c\/strong\u003eUSB-C, connects as USB mass storage device\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Type: \u003c\/strong\u003e1 x CR2032 lithium coin cell, 3.0 volts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePouch: \u003c\/strong\u003eComes with genuine leatherette pouch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize: \u003c\/strong\u003e77 mm x 144 mm x 12 mm \/ 3.03\" x 5.66\" x 0.47\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight: \u003c\/strong\u003e205 g \/ 7.23 oz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty: \u003c\/strong\u003e5 years\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SwissMicros","offers":[{"title":"New","offer_id":46312202698938,"sku":"SW-DM42N","price":434.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/6821\/8554\/files\/r47-scientific-calculator-image-1-210c7ec98c7a7242.webp?v=1786209414","url":"https:\/\/calculatorsource.com\/products\/swissmicros-r47-rpn-scientific-calculator","provider":"CalculatorSource","version":"1.0","type":"link"}