The HP 48G, a high-performance graphing calculator from the 1990s, uses Reverse Polish

 The HP 48G, a high-performance graphing calculator from the 1990s, uses Reverse Polish Notation and its own RPL language to handle symbolic math and circuit analysis. Still usable today via emulators, it remains affordable on the secondhand market and is being rediscovered as a beloved tool among engineers.


Comments

Post a Comment

Popular posts from this blog

go ahead baby, now on sale!!

Image
The lyrics mean this. I came up with it when my precious daughter started to live alone. Oka I don’t care what happens to me If my wish can come true If we could go back to the days we first met Even so, I know You’re probably thinking of them Forgetting even the days spent by my side These days of watching over you My heart feels like it’s tearing apart “Forgive me,” I just gaze at you Just like this, baby Always, baby The memories of last night Just go somewhere, baby, someday Just go somewhere, baby, someday Just go somewhere, baby, someday Someday, baby I don’t mind Verse 2 Then let’s go somewhere The future isn’t so bad Blessings for everything that’s yet to come Casual words on an ordinary day Even the boring daily grind Everything we chose in the city will rewrite it all The one I’m staring at now You’ll be the last for me Even if I try to hold on, I’m just trembling Just like this, baby Always, baby The certain memories Just go somewhere, baby, someday Just go somewhe...
Read more

Japan Jazz Anthology Select: Jazz of the SP Era

Image
Saint Louis Blues — W.C. Handy’s iconic early jazz–blues standard, often played with a sturdy two-beat dance feel. Learn more Pagan Love Song — A Tin Pan Alley favorite by Arthur Freed & Nacio Herb Brown, frequently sweetened into a foxtrot. Learn more When It’s Lamp Lighting Time in the Valley — A sentimental waltz-time country ballad that crossed over into light-music repertoire. Learn more Chinrai-bushi — A salon-tinged popular song often adapted by prewar dance bands in Japan. Learn more Kiso-bushi — A graceful folk song from the Kiso region; arrangements highlight its lilting, modal flavor. Learn more Yagi-bushi — A lively festival min’yō from Gunma/Tochigi; its call-and-response suits a buoyant swing. Learn more Yasugi-bushi — A humorous Shimane folk song (famous for the “dojo-sukui” dance) that also works as a jaunty foxtrot. Learn more Taiko-sen (“Boat on Lake Tai”) — A Chinese popular tune widely played in Japan; often given a gentle...
Read more
Generative Art Libraries and Resources 1. Metaball Libraries and Samples metaballs-js (npm) : A lightweight WebGL-based metaball rendering library. You can freely specify the number of balls, colors, and speed. Paper.js Metaball Demo : The official Paper.js example showing a “viscous” effect via contour calculations on the canvas. Varun.ca Metaballs : An HTML5 canvas/JavaScript demo of metaballs with the algorithm’s formulas explained. Three.js Metaball Slime : A 3D metaball example using Marching Cubes and the Rapier physics engine. Codrops “Drawing 2D Metaballs with WebGL2” : A tutorial for drawing 2D metaballs by hand in WebGL2. 2. Symmetry (Rorschach) Generative Art Symmetry Drawer by aferriss : An editor built on p5.js for drawing with left-right symmetry—perfect for experimenting with ideas. “ : A simple sample that generates patterns by pairing square cells symmetrically. Medium: From Syntax to Symmetry (p5.js) : ...
Read more