Search results
Results from the WOW.Com Content Network
In the late 1970s and early 1980s, Unisonic released a series of digital calculators that featured a quartz clock and an electronic game. [2] Among the calculators produced were Casino 7 and Mickey Mouse Space Quiz (model number FS-2024), both released in 1976, and 21 (model number 21-P1B), which was released in 1977 and featured a blackjack game.
The Texas Instruments TI-30 retailed for $24.95 (about $130 today) and operated on a 9-volt battery. It had a red, eight-digit display and offered such functions as percents, constants, roots ...
The 1970s ushered in the golden age of video gaming, with several iconic consoles and games that have become highly sought-after by both gamers and collectors. The Atari video computer system ...
A partially disassembled Curta calculator, showing the digit slides and the stepped drum behind them Curta Type I calculator, top view Curta Type I calculator, bottom view. The Curta is a hand-held mechanical calculator designed by Curt Herzstark. [1] It is known for its extremely compact design: a small cylinder that fits in the palm of the hand.
It uses a capacitive touch screen for the calculator and function buttons. A calculator watch is a digital watch with a built-in calculator, usually including buttons on the watch face. Calculator watches were first introduced in the 1970s and continue to be produced, despite falling from their peak popularity during the 1980s.
The calculator was code-named Wizard, [4] which is the first known use of a code name for a calculator. It also contained an Easter egg that allowed users to access a not-especially accurate stopwatch mode. [5] [6] An accurate version of the stopwatch mode was officially featured in the 1975 successor of the HP-45, the HP-55.
The MCM/70 had a one-line display and alphanumeric keyboard, and optionally had a second tape drive. It resembled desktop calculators of the time, such as HP 9830A. An APL interpreter was built into the read-only memory (ROM), [13] and the machine included a battery which allowed it time to save the workspace automatically when it was turned off.
Was the first scientific calculator to fly in space in 1973. [5] HP-35 calculators were carried on the Skylab 3 and Skylab 4 flights, between July 1973 and February 1974. [6] Is the first pocket calculator with a numeric range that covered 200 decades (more precise 199, ±10 ±99). [5]