Calculator watch Calculator watch 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 most notable brand is the Casio Databank series, though watches made by Timex were also popular. Most calculator watches contain only a few number of functions such as +, -, x, / and percents. However, there are several models with additional functions: scientific, including transcendent and trigonometry, in models Casio CFX-200, CFX-400, Citizen 49-9421, and also
Cloudy Cloud Calculator "finest and most unusual moments" and "highly inventive, restrained pop". "Musician Guide" called the album's tracks "wonderfully cute, all-synthesizer musings." Cloudy Cloud Calculator Cloudy Cloud Calculator is the third studio album by Japanese musician Takako Minekawa, released on December 10, 1997. It was released by Polystar in Japan and by Emperor Norton Records in the United States. Minekawa played almost every instrument on the album and produced, arranged, wrote, and sang nearly all its songs. Minekawa toured in the United States to support the album. The album "Ximer", released in 1998, featured remixes of "Cloudy Cloud Calculator" by artists including