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• 16 € reduction in the HP50g Blue• 2 HP41cL on offer• 3D Printing - not good enough!• 3D Printing link• 3D printing - examples• 3D side cover• 3 more HP41cl circuits here!• 5 dias para el final de la oferta• A Casio in HP livery - the HP300s+• A HP15c reissue - but not the real deal• A HP17bII-type solver for the HP50g• A HP 54201D oscilloscope• A Time module to go with a HP41CL• A boxed HP41CL and the HP19bII collectors' set• A brief description of the HP41CL• A comparison between HP 17bII, HP 17bII+ gold and HP 17bII+ silver• A couple of HP97• A couple of audio-related products• A couple of speed tests and some more comments on the new HP12c• A curiosity on the Prime and a Time machine module• A half-nut "C" HP41 unit !• A hint for the HP 41CL• A lot of HP17bII+• A method to calculate Pi using Pythagoras' theorem: one solution for HP41c• A method to calculate pi based on Pythagoras theorem• A new Zebra batch has arrived• A new product for HP41c repair• A new product may be coming...• A new repair method being tested for lower post of HP41c• A new solution for broken back sides of HP41c• A new time module on sale in a few days• A new watch - and an old one...• A nice collection of HP12c in the web• A penny for your thoughts• A rare, non HP, ultra-old calculator• A repair solution for the back side of the HP41c family• A tip on the HP15c official emulator• A tip to use Prime in your business• A trace mode "accountant type" for the HP 50g• About the HPCC Journal• Absolute beginners' guide to the HP Prime• Adventures with the HP41CL and the %T function..• An attractive moment for calculator lovers• An early HP41C converted to CL• An emulator for the new HP300s+• An eventful week• An important advice concerning Streamsmart 410 and Fourier Probes• An offer on the HP39gII• And Finally...there are here !!!• ...And the same method for the HP Prime!• Another HP Prime site• Another gift idea: the HP85A• Any difficulties in upgrading HP Prime?• Assembled flex and standalone flex circuits back in stock• Assigning percentage keys to the HP Prime• Astronomy for HP Calculators• At long, long last...The HP15c Limited Edition Arrives !!• Available Fourier Probes• Available HP41CL units - and time modules!• Back from Holidays• Back from holidays...• Back to the office!• Base formulae project• Base formulae project (2)• Base formulae project (3)• Battery bay repair piece• Battery module for broken calculator backs• Black Friday - day one: HP41cv and HP41cx at rock-bottom prices!• Black Friday - day two: more offers• Black HP17bII• Black and Scholes for the different HP calculators• Bode plotting app for HP Prime• Broken HP41c back repair manual with 3D piece• Broken back piece vs integrated "flat" assembly battery part• Buying calculators in internet sites• Buying used calculators - sad stories 1• CAS!!• CHOOSE() menu function for HP Prime• Calcpad 200 discontinued in our web• Calculator Gift ideas for Christmas• Calculator repair• Calculator repair - Adhesive conductive tape• Calculator repair - spare parts• Calculators and the MoMA in New York• Calculators for the Iphone 5• Card reader repair• Card reader repair for HP41c• Change in focus in reference to the HP41CL• Charger• Clamshell and Pioneer Repairs - first comments• Clarification on HP41CL pricing• Classic charger substitution• Collector's Pack• Comments on HP41CL troubleshooting• Comments on HP41c battery repair kit• Comments on Prime's new firmware• Continuation on new repair aid piece• Convert HP15c in a financial calculator - in addition to be one of the best scientific there were!• Corrosion on battery contacts• Court success HP15c• Currency Exchange for the HP41CL• Customizing the HP Prime• Customizing the HP Prime for Business use (II)• Customizing your Prime for business use (I)• ·D printing HP 41c ports• Date functions for the HP Prime• Development priorities• Differences between Prime revision A and C• Different behavior between different number formats in RPN mode in Home• Different keyboards in new HP12c• Eddie Shore's blog - now video tutorials• Equation library for the HP Prime• Equation library program analyzed• Error in book corrected• Even more tips on repairing calculators• Feet arrived!• Feet for Coconuts and Voyagers• Final post on statistical distributions on HP Prime• Finally got a HP27s!• Financial calculators• First appearance on print of TheCalculatorStore• First contact with the HP12c• First steps with Smartstream 410 and HP Prime• Flex circuit installation for the HP41c calculators• Four new products• Fourier Probes• Function library in the HP Prime - very similar to the HP50g's• Further pictures of the backside repair pieces• Games for the HP Prime• Games for the HP Prime• Goertz speaker cables• Guarantee for HP calculators explained• HP-IB vintage Lab• HP12c Anniversary .• HP12c Anniversary - European shipment• HP12c versions• HP12c vs HP17bII comparison? Maybe• HP15CL battery bug• HP15c LE emulator• HP15c Limited Edition arrived• HP15c Limited Edition manual• HP15c Warranty repairs• HP15c and HP41CL• HP15c clone coming back - but now with a competitive advantage!• HP15c finally arrived to our warehouse• HP16c compatibility module for HP41C-CL• HP17bII+• HP17bII+ - more...• HP17bII as the best all around financial calculator• HP17bII as the best all around financial calculator• HP32sII• HP35s Appreciation• HP39gII - collectible?• HP41CL• HP41CL and time module• HP41CL back in!• HP41CL with Time Module• HP41c Repair book• HP41c models in our website• HP41c repairs!• HP41c types of repair• HP41cl no more...• HP41cl, time module and battery pack• HP45 Easter Egg• HP4c feet for free on orders >40€• HP50g Blue no more!• HP50g appreciation• HP50g for finance - an engineer lost in a world of hp12cs!• HP54201D mixed signal oscilloscope available again• HP54501a repaired• HP85 memories• HP 15c LE last production run.• HP 17bII+ vs HP19bII• HP 300s+ has arrived• HP 41CL - offer• HP 41CL Appreciation• HP 41C repair kit• HP 41c battery bay repair kit• HP 41c battery bay repair kit• HP 50g vs HP Prime (I)• HP 54501a oscilloscope• HP 8591E Spectrum Analyzer• HP Financial calculators• HP Guarantee• HP Operating Environment limits - HP15c Limited Edition• HP Prime - Possibilities at school• HP Prime - equation systems basics• HP Prime -planet orbits• HP Prime, BCD and binary• HP Prime Firmware Update• HP Prime Firmware Update• HP Prime (G8X92AA) available again• HP Prime iOS app!!• HP Prime in secondary education• HP Prime information sources• HP Prime loading program procedure• HP Prime: more information• HP Prime pro• HP Prime's wireless kit• HP Prime settings storing and retrieving• HP Prime user keys• HP Prime versions and Streamsmart 410• HP Repair book• HP SmartCalc 300s review• HP and the educational market• HP current scientific calculators• HP infrared printer module• HP instruments coming• HP official emulators• HP official news about Prime!• HP original Thermal Printer paper• HP's own website for the HP Prime• Higher 3D printing prices• Horses for Courses• How I have configured my HP15c for financial duties (II)• How I have configured my HP15c for financial duties (III)• How I have configured my HP15c for financial duties (IV)• How I have configured my HP 15c for financial duties• How to create your own HP41CL• How to make your Prime programs not dependent of the HP Prime number settings• How to promote Prime (and not only in the school)• How to really learn more about the Prime• How to replace a HP41c screen• How to treat your HP Calculator• I found it!• I have lost my HP 15c LE !• Ideas for a HP41c module• If you always envied the young look of your colleague's Casios and Texas...• Ineresting app for the HP Prime and more Prime software• Initialization HP41CL - and some problem solving• Interesting video about HP graphical calculators• Inverting a Matrix in HP Prime in RPN (basic!)• Just received more zebra circuits• Just received my first 30b - first impressions• Just received the HP67 !!!• Last HP12c Anniversary and HP15c Limited Edition!• Last HP41CL units!• Mac Prime Emulator• Manual for Battery-port assembly• Measure conversion facility for the HP-41CL• Monthly closing with the HP17bII - some comments• More Fourier Probes for the HP Prime• More HP19bII• More about Prime• More about the HP17bII• More about the HP41 CL• More about the Multi-Language software for the HP50g• More comments on the HP12c keyboards• More comments on the HP Prime• More information on the HP54501a oscilloscope• More musings on the HP 41CL• More news about the site• More news on the HP15c...• More on Equations for the HP Prime• More on the HP97 - 2 for sale• More on the HP 12c Platinum• More pictures of the new zebra prototype• More places to find Prime software• More random number generator according to different statistical distributions for HP Prime• More repair tips for HP calculators• More speed comparisons for the different versions of HP17bII• More tutorials for the HP Prime• More units of HP41CL• More videos on graphical calculators• Musings on headphones and earphones• My HP calculator history (I)• My configuration for the HP41CL• My other passion• NPV and IRR on the HP Prime• N.O.S. power supply for HP82240B• New Firmware for the HP Prime - version 7820• New Fourier Probe list.• New HP-PRIME G2/B1S (2AP18AA)• New HP12c set• New HP15c LE batch arrived• New HP41CL batch in production• New HP41CLs available• New HP41CV units!• New HP41c repair kits!• New HP50g vs Classic 15c• New HP calculators: HP smartcalc 300s+ and HP10s+• New Prime• New Prime Firmware beta!• New Prime firmware coming!• New Prime, freezing and guarantee• New Product: 4 x back case repair piece!• New Service - second hand equipment market• New articles for this Christmas tree• New batch of springs• New connectivity and virtual Prime calculator software!• New design in for testing• New drop-in solution for port and battery connector• New firmware for the HP Prime• New firmware for the HP Prime• New flashing service• New items in the HP41c corner• New modules for HP41CL and some changes• New product: 10nF capacitor for HP41c• New products• New products and some coming back!• New products coming• New products in development - part 1• New products in the web• New tall keys HP41c arrived, to be converted into HP41CL!• New time functions in HP Prime• New units coming in• New version of wp34s: 3.3• New video tutorials for HP50g, HP12c• New zebra development!• News• News for HP41CL users• News on HP Prime equipment• No HP15c for Christmas• Notice about StreamSmart 410 and HP50g• Now TheCalculatorStore is visible on your smartphone• Now on sales - the zebra replacement!• Number theory and HP Prime• Offer HP Prime and other calcs• Offers for Black Friday - 2• Offers for Black Friday - 1• Offers on HP Prime old models elsewhere• Official Emulator for the HP39GII• Old HP calculators and programming quality• One more HP15c• Ownership Pride and Hewlett Packard calculators• PPC ROM Module• Playing with the HP Prime• Prime• Prime - news• Prime Emulator• Prime Firmware Comments• Prime firmware update 2• Prime new firmware (II)• Prime: some pictures off an emulator• Printer paper for HP calculator printers• Programming the HP41CL - some comments.• Questions about the new pieces for repair• ROM upgrade for the HP39GII• RPN Spreadsheet behaviour• RPN and the HP19bII• RPN calculator for Macs• RPN or not?• Ramblings about technical issues of scientific new calculators• Ran out of HP41CV• Rechargeable batteries for HP41• Register Arithmetic on the 12c• Repair in old HPs - things to avoid• Repair kit is back• Repair kits back again!• Repair kits back in stock• Repair of HP41c posts - some ideas• Repair service for HP41C• Repair your calculator during the lock down!• Repairing HP old multimeters• Repairing calculators• Repairing the rusting battery bay of HP41c.• Return to the HP 17bII+• Same for the new Sandmath 2x2• Sandmath 4x4 fix for %T (same as for Sandmath 2x2 previously)• Scientific Calc's Collector's Pack• Screen tab menus on the HP Prime• Screws for Coconut calculators• Screws for Coconut calculators• Selling in Pounds!• Shady Calculator Stories• Shipping included for Prime!• SmartStream 410 and HP Prime training program• Some challenges with the new firmware• Some interesting links for HP Prime• Some more blue HP50g• Some news• Some press reactions to the HP12c, HP15c reissues• Some speed tests comparing old and new HP 15 LE• Some tips on iPad• Statistical Distributions in HP Prime• Statistical distributions for the HP Prime - 2• Success of new HP41c repair methods• Suggestions for a change in HP17bII+• Tall keys, low serial number HP41CL• Testing HP41C with oscilloscope• Testing repaired HP41C• Tetris in the HP50g• The DM-15cc HP15c clone arrived• The HP10bII+• The HP10bII+ - a different animal from previous models• The HP12c Anniversary is now in stock !!• The HP12c Platinum• The HP16c Emulator (I)• The HP19BII back door• The HP30b• The HP39GII is coming!• The HP41CL - our first conversion• The HP41c repair kit is back!• The HP41c repair kit stock finished in 4 hours• The HP48SX• The HP50g as a financial tool (II)• The HP82240B Infrared Printer• The HP85 and my 7 year old• Our sister site• The HP 41CL Calculator• The HP 41CL is back!• The HP view on education - some interesting aspects• The Kinomi Project• The Prime for solving problems at school - one example close to me• The Psion Series 5 - part 1• The WP 34s is back!• The amazing HP17bII financial calculator - 1• The beauty of RPN• The calculator as a gift.• The calculator as a gift 2• The hp Prime at school.• The humble HP10bII+• The life goes on...• The mighty HP42s• The new HP10bII+ has arrived!• The new HP10s+• The new HP39GII has arrived!!• The new HP41c from Swissmicro• The new Scientific Calculators from HP - part one• The new programming language Swift• The problem with ordering bulk in China• Time functions for HP Prime• Time module in HP41CL• Time module on sale• Transport costs and cash-back offer• Tutorials for HP15c• Two different types of HP19bII• Two more HP41CL assembled• Two new HP 41CL alive!• Two new old HP19bII• Two units of HP15C - Limited Edition• Types of current HP12c• Updating your HP 41CL• Use of menus when programming the HP Prime• Use this java emulator...• Video Tutorials for Prime and 41CL• WP34s• WP 34s just born• Where is the sun in the Lofoten Island? Ask your Prime• Which calculator to take with you on a 2 weeks' holiday?• Why using a handheld calculator nowadays - part I• Why using a handheld calculator nowadays - part II• Woodstock battery bay• Working with hours, min and seconds in HP Prime• X-Functions and X-Memory• Yet another Easter egg in the HP50g• Yet another method for Pi - this time from the outside!• You can now order the Battery-ports assembly!• Zebra connectors for HP• Zebra may go alone• Zebras for HP41c• Zebras for the HP41c• black HP17bII• calculators for travel - some ideas• hp30b and wp34s - disappearing?• hp41 battery repair pack• hp42s• hp 19bII - back battery door• latest HP15c LE vs. HP41CL• more info about the HP41CL• new firmware 8151 for HP Prime• new zebra PCB• offers for Black Friday - 3• screw set for HP41c series• stop new firmware install!• tips on using the HP41c repair kit• to do list• tricks for units use in HP Prime• wp34s - last donors• wp34s - part 1• zebra utilization• Start up a new blog
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