2+ week, 1+ day ago   (212+ words) TULIP is short for "The Ultimate Intelligent Peripheral" and it's an everything expansion board for the HP-41 line of handheld calculators sold by HP from 1979 to 1990. These particular calculators support Reverse Polish notation which seems to be one of those…...

2+ week, 2+ day ago   (155+ words) Here's hoping that Casio fully reverts to the EX-style of UI in its next 991-series calculator and finds a way to curb the spread of bad clones of its currently last good scientific calculator. Had one of these about 15 years…...

2+ mon, 2+ week ago   (262+ words) Blaise Pascal is known for a number of things, but we remember him best for the Pascaline, an early mechanical calculator. [Chris Staecker] got a chance to take a close look at one, which is quite a feat since there…...

7+ mon, 4+ day ago   (298+ words) You might wonder why you'd repair a calculator when you can pick up a new one for a buck. [Tech Tangents] though has some old Sony calculators that used Nixie "read more You might wonder why you'd repair a calculator…...

10+ mon, 3+ week ago   (502+ words) How hard can it be to write a simple four-function calculator program? After all, computers are good at math, and making a calculator isn't exactly blazing a new trail, right? "read more How hard can it be to write a…...