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The Little Professor was first released by Texas Instruments on June 13, 1976. [5] As the first electronic educational toy, [6] [7] the Little Professor is a common item on calculator collectors' lists. [8] In 1976, the Little Professor cost less than $20. More than 1 million units sold in 1977. [9]
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A simple arithmetic calculator was first included with Windows 1.0. [5]In Windows 3.0, a scientific mode was added, which included exponents and roots, logarithms, factorial-based functions, trigonometry (supports radian, degree and gradians angles), base conversions (2, 8, 10, 16), logic operations, statistical functions such as single variable statistics and linear regression.
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Of course we want our children to understand the value of a dollar. But in an increasingly cashless world—you know, one where we tap or click to pay—how do we communicate the role money plays ...
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Download QR code; Print/export ... also known as dollar value averaging ... the investment is worth $205, the investor withdraws $5. [2]