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2. Calculator - Wikipedia

   en.wikipedia.org/wiki/Calculator

   A modern scientific calculator with an LCD. An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics . The first solid-state electronic calculator was created in the early 1960s. Pocket-sized devices became available in the 1970s, especially after the ...

3. Scientific calculator - Wikipedia

   en.wikipedia.org/wiki/Scientific_calculator

   A scientific calculator is an electronic calculator, either desktop or handheld, designed to perform calculations using basic ( addition, subtraction, multiplication, division) and complex ( trigonometric, hyperbolic, etc.) mathematical operations and functions. They have completely replaced slide rules as well as books of mathematical tables ...

4. Windows Calculator - Wikipedia

   en.wikipedia.org/wiki/Windows_Calculator

   Windows Calculator is a software calculator developed by Microsoft and included in Windows. In its Windows 10 incarnation it has four modes: standard, scientific, programmer, and a graphing mode. The standard mode includes a number pad and buttons for performing arithmetic operations.

5. Calculator input methods - Wikipedia

   en.wikipedia.org/wiki/Calculator_input_methods

   Calculator input methods. There are various ways in which calculators interpret keystrokes. These can be categorized into two main types: On a single-step or immediate-execution calculator, the user presses a key for each operation, calculating all the intermediate results, before the final value is shown. [1] [2] [3]

6. How Do Schools Calculate Your Financial Aid? | U.S ...

   www.ed.gov/content/how-do-schools-calculate-your...

   If you have questions about your EFC, contact the financial aid office at your school. Schools then use this formula to determine your financial need: Cost of Attendance (COA) – Expected Family Contribution (EFC) = Financial Need. Once each school has determined your financial need, you will receive aid offers from the schools you’ve been ...

7. Software calculator - Wikipedia

   en.wikipedia.org/wiki/Software_calculator

   A software calculator is a calculator that has been implemented as a computer program, rather than as a physical hardware device. They are among the simpler interactive software tools, and, as such, they provide operations for the user to select one at a time. They can be used to perform any process that consists of a sequence of steps each of ...