{"product_id":"swissmicros-r47-scientific-calculator","title":"SwissMicros R47","description":"\u003cp\u003eThe R47 is an 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. The R47 runs firmware 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\/p\u003e\n\n\u003cp\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\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The R47 firmware is not written, distributed, or maintained by SwissMicros. Support for the R47 firmware is handled by the R47 team via email. See documentation at \u003ca href=\"https:\/\/47calc.com\/\"\u003e47calc.com\u003c\/a\u003e. The software is currently in beta.\u003c\/p\u003e\n\n\u003ch2\u003eHardware Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eStainless steel, matte black Physical Vapour Deposition (PVD) coated and laser engraved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay type\u003c\/td\u003e\n\u003ctd\u003eMonochromatic ultra-high contrast (14:1) transflective memory LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay resolution\u003c\/td\u003e\n\u003ctd\u003e400 × 240 pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay active area\u003c\/td\u003e\n\u003ctd\u003e58.8 × 35.28 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay dot pitch\u003c\/td\u003e\n\u003ctd\u003e147 µm × 147 µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eUSB-C, connects as USB mass storage device\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery type\u003c\/td\u003e\n\u003ctd\u003e1 × CR2032 lithium coin cell, 3.0 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e77 × 144 × 12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e205 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eSoftware Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003eUltra-low-power ARM Cortex-M33, at max. 160 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash memory\u003c\/td\u003e\n\u003ctd\u003e64 MBit additional flash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware\u003c\/td\u003e\n\u003ctd\u003eCommunity-developed C47 firmware running on SwissMicros DMCP operating system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFloating point standard\u003c\/td\u003e\n\u003ctd\u003edecNumber library by Mike Cowlishaw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEntry mode\u003c\/td\u003e\n\u003ctd\u003eRPN (Reverse Polish Notation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScientific functions\u003c\/td\u003e\n\u003ctd\u003eTrigonometric, hyperbolic, logarithmic, exponential, Bessel, Riemann zeta, Beta, and related functions; complex number support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdvanced math\u003c\/td\u003e\n\u003ctd\u003eMatrix and vector operations including eigenvectors, generalized norms, 2-space and 3-space operations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalculus\u003c\/td\u003e\n\u003ctd\u003eNumeric definite integration and derivatives; equation editor and solver; indefinite integration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatistics\u003c\/td\u003e\n\u003ctd\u003e2-variable statistics, best-fit modelling, distributions and inverses, basic plotting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgramming\u003c\/td\u003e\n\u003ctd\u003eKeystroke programmable with tests, flags, looping, and branching; multi-line editor; up to 1000 named variables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber systems\u003c\/td\u003e\n\u003ctd\u003eBase-n arithmetic with extensive bitwise logical operators; support for rational numbers; fractional math\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdditional functions\u003c\/td\u003e\n\u003ctd\u003eFinancial and date-based calculations; built-in unit conversions and constants library; clock functions; three-phase calculations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware updates\u003c\/td\u003e\n\u003ctd\u003eVia USB-C (USB mass storage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized SwissMicros Retailer.\u003c\/strong\u003e All units sold by TheCalcStore are genuine SwissMicros products covered by the manufacturer warranty.\u003c\/p\u003e\n\u003cp\u003eReturns accepted within 30 days. See our \u003ca href=\"\/policies\/refund-policy\"\u003eReturn \u0026amp; Warranty Policy\u003c\/a\u003e for full terms.\u003c\/p\u003e","brand":"SwissMicros","offers":[{"title":"Default Title","offer_id":51949151191357,"sku":null,"price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/9505\/6445\/files\/r47.png?v=1783576915","url":"https:\/\/thecalcstore.com\/products\/swissmicros-r47-scientific-calculator","provider":"TheCalcStore","version":"1.0","type":"link"}