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  2. Tanzania Revenue Authority - Wikipedia

    en.wikipedia.org/wiki/Tanzania_Revenue_Authority

    The Tanzania Revenue Authority (TRA) is a semi-autonomous government agency of the United Republic of Tanzania. It was established by the Tanzania Revenue Authority Act, CAP. 339 [2] in 1995 and started its operations on the 1st of July 1996. It is headed by the Commissioner General. The Current Commissioner General is Alphayo Kidata

  3. Tire code - Wikipedia

    en.wikipedia.org/wiki/Tire_code

    The actual diameter of a specific tire size can only be found in the TRA Yearbook or the manufacturer's data books. [28] Note that the tire's cross-section and diameter are always specified when measured on a rim of a specified width; different widths will yield different tire dimensions.

  4. Taxation in Tanzania - Wikipedia

    en.wikipedia.org/wiki/Taxation_in_Tanzania

    The Tanzania Revenue Authority (TRA) requires taxpayers in Tanzania to file their "return of income" each year before the 30th of June. The return of income is a document that taxpayers must submit to the tax authority, providing details about their income, deductions, and taxes owed for the specific financial year.

  5. Calculator - Wikipedia

    en.wikipedia.org/wiki/Calculator

    Made in Japan, this was also the first calculator to use an LED display, the first hand-held calculator to use a single integrated circuit (then proclaimed as a "calculator on a chip"), the Mostek MK6010, and the first electronic calculator to run off replaceable batteries. Using four AA-size cells the LE-120A measures 4.9 by 2.8 by 0.9 inches ...

  6. TRA - Wikipedia

    en.wikipedia.org/wiki/TRA

    Tra (gene), in Drosophila melanogaster encodes the protein female-specific protein transformer Tra gene , a transfer gene Triple releasing agent or serotonin-norepinephrine-dopamine releasing agent

  7. Marchant Calculating Machine Company - Wikipedia

    en.wikipedia.org/wiki/Marchant_Calculating...

    Marchant XLA calculator, based on Friden's design. The Marchant Calculating Machine Company was founded in 1911 by Rodney and Alfred Marchant in Oakland, California.. The company built mechanical, and then electromechanical calculators which had a reputation for reliability.

  8. Pascaline - Wikipedia

    en.wikipedia.org/wiki/Pascaline

    The pascaline (also known as the arithmetic machine or Pascal's calculator) is a mechanical calculator invented by Blaise Pascal in 1642. Pascal was led to develop a calculator by the laborious arithmetical calculations required by his father's work as the supervisor of taxes in Rouen , France. [ 2 ]

  9. Mechanical calculator - Wikipedia

    en.wikipedia.org/wiki/Mechanical_calculator

    Friden made a calculator that also provided square roots, basically by doing division, but with added mechanism that automatically incremented the number in the keyboard in a systematic fashion. The last of the mechanical calculators were likely to have short-cut multiplication, and some ten-key, serial-entry types had decimal-point keys.