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The HP 48 is a series of graphing calculators designed and produced by Hewlett-Packard from 1990 until 2003. [1] The series includes the HP 48S, HP 48SX, HP 48G, HP 48GX, and HP 48G+, the G models being expanded and improved versions of the S models.
The FX-501P and FX-502P were programmable calculators, manufactured by Casio from 1978/1979. [citation needed] They were the predecessors of the FX-601P and FX-602P.It is likely that the FX-501P/502P were the first LCD programmable calculators to be produced as up until 1979 (and the introduction of the HP-41C) no manufacturer had introduced such a device.
The TI-59 is an early programmable calculator, that was manufactured by Texas Instruments from 1977. It is the successor to the TI SR-52, quadrupling the number of "program steps" of storage, and adding "ROM Program Modules" (an insertable ROM chip, capable of holding 5000 program steps).
Christmas Eve is not a designated federal holiday. Still, U.S. presidents, including Joe Biden and Donald Trump, have used the holiday to grant a day off to the country's more than 2 million ...
It cost US$395 (about £165), but despite the price, over 300,000 were sold in the three and a half years for which it was produced. [ 1 ] [ 2 ] From 1971, Texas Instruments had been making available the building block for a simple calculator on a single chip [ 3 ] and the TMS0803 chipset appeared in a number of Sinclair calculators.
A raging two-alarm fire left 15 people injured in an Upper Manhattan apartment building Tuesday morning, reports say. The blaze tore through the first floor of a six-story building West 204th ...
U.S. President-elect Donald Trump on Saturday demanded that BRICS member countries commit to not creating a new currency or supporting another currency that would replace the United States dollar ...
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.