Kalkulator Casio Pertama Model 14-A (1954)


Macam mana rupa kalkulator pertama produk Casio. Kalkulator model Casio 14-A. Model prototype dihasil pada 1954. Mula berada di pasaran pada 1957. Kalkulator yang dicipta oleh Toshio Kashio (1925-2012). Beliau seorang jurutera.

The name 14-A indicates that the calculator operated with fourteen-digit numbers and was the first in its generation.

Sumber: first version dot com - link.


Casio 14-A prototype (1954)



Kerja pemasangan kalkulator Casio 14-A


Sekitar tahun 1958

Kalkulator Casio sekitar tahun 2014

- - - - -

Comments

Post a Comment

Popular posts from this blog

World's Per Capita Emitters Ranking

Image
Australia ranked eleventh in world's per capita emitters. What is Australia to some of them (i.e., among Australians)?  Their answers were (i) the sunburnt country of droughts and flooding rain, (ii) the fire continent - the first country to adopt and then scrapped a carbon-pricing mechanism. What is carbon-pricing mechanism? i) planted fire-resistant trees and ii) dogwoods and blanket-leaves around the property. Haymarket, Scotland - - - - -
Read more

Bendera Indonesia dan Bendera Monaco

Image
  Bendera negara Indonesia dan Monaco kedua-duanya memang sama warna. Warna merah dan putih. Sekali pandang memang susah nak bezakan bendera dua negara tersebut. Namun di sudut jenis warna merah masih ada perbezaannya. Ada pakar warna dalam bidang profesional yang tahu hal mengenai warna. Mana satu bendera Indonesia, mana satu Monaco? Kiri - Indonesia ; Kanan - Monaco - - -   Indonesia - Pantone Red 032 (tepatnya Pantone 012C) Monaco Red 032 (tepatnya pantone 186C) - - - - - Variety or red colors Petikan Ai: People who study colors are called color theorist, color scientists or chromaticians. While professionals who apply color knowledge are known as color consultants, color designers, or color experts.  Such professional often specializing in areas like color psychology, color theory (artistic), or color science (scientific) to understand color's effects on humans and its applications.   - - - - -
Read more