Best free calculator downloads

It provides some inbuilt commands in different categories to use in calculations, such as constants, permutations, intervals, complex, linear algebra, polynomials, etc.

As you perform calculations, you can view the calculation history for current session on its interface. You can print the results or save them in its native file formats for later use. All in all, it is a good calculator software which comes with open source license. You can configure various properties in this software such as graph configuration, language, font, color, etc. GraphCalc is one more open source calculator in this list. It lets you perform various calculations which include basic arithmetic operations, trigonometry problems, 2D graphing, conversion, etc.

It provides a dedicated Equation Solver tool to solve a single variable algebraic equations. In addition, some generic calculations like area, surface area, volume, quadratic equations, etc. You can copy, print, or export the graph to BMP image. You can save specific commands to a script file so that you can use it later.

It lets you save output to an RTF file. The calculation history can be easily viewed from the interface. Kalq is a simple open source calculator for Windows. It has a compact interface as you can see in above screenshot and it works in distraction free mode. After launching it, type or copy and paste expression you want to solve in the bar. As you type the expression, it displays respective results in real time.

You can solve simple mathematical problems in it like fractions, multiply, square root, square, cube, inversion, etc. On clicking the option highlighted in above screenshot, you can access various options like History, Bar Size, Formatting, Copy Answer, etc. TTCalc is another free open source calculator for Windows. It incorporates arithmetical functions, trigonometric functions, inverse trigonometric functions, hyperbolic functions, inverse hyperbolic functions, logical operators, logarithms, etc.

It lets you add custom variables and functions to use in calculations. The precision value can be set to small, medium, or high. From Display tab, you can set parameters like input base, output base, input decimal point, output decimal point, rounding, etc. JCalc is another one of open source calculators for Windows. It is a portable calculator which needs to no installation and can be used on the go. The calculator can be enlarged to full screen size, or kept small.

History and Memory Tracking: The calculator keeps track of your history and memory in a panel on the right side. To show this panel, simply put your mouse arrow over the right edge until a double arrow appears, and slide it to the right.

To hide the panel, hover over the right edge and slide it to the left. The calculator app stays on top of your other tabs. If you are using the calculator along with other tabs, you will need to click in another place on the screen, or minimize the calculator.

This can be a bit cumbersome if you have a lot of tabs open or are trying to work quickly. Not only is Windows Calculator free, but it is also typically included with Windows systems. If the app is not included, or it gets corrupted, then just follow the instructions above to download and install it. For the best experience, Microsoft recommends Windows 10 version WizCase is an independent review site.

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Show More. People also like. QR Scanner Plus Free. Office Free. FM Radio Free. What's new in this version New in version 3. Features Familiar -- main screen is a simple 4-function calculator Advanced -- on-screen buttons for advanced features Constants -- PI and E; Avagadros's number, Earth gravity and speed of light Change the colors and background symbols Touch friendly -- buttons are large and easy to press; works when pinned Convert -- metric and english; area, length, tempurature, energy, bushels and peck and more Fully programmable in BC BASIC.

Use one of the many included sample programs, write your own, or share with friends! And it works in reverse, too Solvers -- Electrical Engineering, Finance, Geometry CAGR Compound Annual Growth Rate solver Programmer's calculator with Hex, Binary, Octal and network byte order swabbing Compute classical and robust statistics mean, median, IQR and more Calculate and display linear regresssion for two data sets Compare data sets: are they the same or not the same Display and compare box and whisker boxplots for your data sets Date calculations: how many days between dates, add days, convert international calendars to Gregorian calendar.

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