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  2. Qalculate! - Wikipedia

    en.wikipedia.org/wiki/Qalculate!

    Qalculate! supports common mathematical functions and operations, multiple bases, autocompletion, complex numbers, infinite numbers, arrays and matrices, variables, mathematical and physical constants, user-defined functions, symbolic derivation and integration, solving of equations involving unknowns, uncertainty propagation using interval arithmetic, plotting using Gnuplot, unit and currency ...

  3. Mortgage calculator - Wikipedia

    en.wikipedia.org/wiki/Mortgage_calculator

    The latter amount, the interest component of the current payment, is the interest rate r times the amount unpaid at the end of month N–1. Since in the early years of the mortgage the unpaid principal is still large, so are the interest payments on it; so the portion of the monthly payment going toward paying down the principal is very small ...

  4. Windows Calculator - Wikipedia

    en.wikipedia.org/wiki/Windows_Calculator

    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.

  5. Do laundry sheets actually work? Here's what a product ...

    www.aol.com/lifestyle/do-laundry-sheets-actually...

    The average detergent sheet we’ve tested tips the scales at around 2-3 grams versus about 25 grams for the suggested amount of Tide for a medium load. Even though liquid detergents can contain ...

  6. Curta - Wikipedia

    en.wikipedia.org/wiki/Curta

    The Curta was conceived by Curt Herzstark in the 1930s in Vienna, Austria.By 1938, he had filed a key patent, covering his complemented stepped drum. [3] [4] This single drum replaced the multiple drums, typically around 10 or so, of contemporary calculators, and it enabled not only addition, but subtraction through nines complement math, essentially subtracting by adding.

  7. Overtime - Wikipedia

    en.wikipedia.org/wiki/Overtime

    In some other jurisdictions, such as Canada, employers might be required to pay the overtime at the higher rate (e.g. 1.5 times the normal rate), but also be allowed to require time off in lieu at the normal rate. Thus, an employee might work 48 hours in one week, and 32 hours the next week (assuming over 40 hours is overtime), and be paid an ...

  8. Belajar dari Rumah - Wikipedia

    en.wikipedia.org/wiki/Belajar_dari_Rumah

    On weekdays, Belajar dari Rumah consisted of preschool program and instructional programming for all school levels (primary school, junior high school, and senior high school) as well as parenting program and selected national movies on primetime. On weekends, the block shows educational and cultural programming for all ages. [1]

  9. Pascaline - Wikipedia

    en.wikipedia.org/wiki/Pascaline

    A Pascaline signed by Pascal in 1652 Top view and overview of the entire mechanism [1]. Pascaline (also known as the arithmetic machine or Pascal's calculator) is a mechanical calculator invented by Blaise Pascal in 1642.