The interface in Microsoft Mathematics is clean and easy to use. Plus it can be easily customized with color schemes and calculator skins. You have a calculator pad on the left side to enter the numbers, and you can also use your keyboard or a stylus to enter any mathematical expression in a blank worksheet. Results are immediately calculated by Microsoft Mathematics and displayed on the bottom area of the window.

Microsoft Mathematics also includes an equation solver, triangle solver and unit converter, as well as a handy list of formulas and equations in diverse science fields: algebra, geometry, trigonometry, physics, chemistry and more. On the downside, the program only works with its own proprietary format – which makes it quite limited.

With Microsoft Mathematics algebra, trigonometry and physics become a bit more enjoyable.

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This amazing program helps you solve all kinds of mathematical problems, from a simple addition to a complicated geometrical function. Not only does it solve the operation, but also draws a graph based on it if possible, and gives extra information about the generated graph. The program also includes an excellent database with constants and functions.

On the downside, I think Math Solver is not really comfortable to use. Solving expressions and representing functions take too many clicks. Also, as each piece of information is offered in a separate window, your desktop can get really messy. Besides, Math Solver keeps a history of previously entered expressions so that you can review them or reuse them at any moment, but unfortunately they're not saved when you quit the program.

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With Precise Calculator you can solve all sorts of statistics, geometry, maths and algebra problems in a quick, hassle-free way. It even includes its own coding language to define vectors, design matrices, calculate statistical data and code easy mathematical apps.

The interface in Precise Calculator is quite simple: buttons to the right and two text areas on the left side, one to enter the data and another one to display the results once you press Enter or hit the EXE button.

Unfortunately Precise Calculator doesn’t include a plotting tool to draw functions like other scientific calculators do. Also, the coding editor is just a simple text field that doesn’t support any format.

Precise Calculator is a handy scientific calculator with which you can perform all sorts of mathematical, statistical, algebra and geometry operations.

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The calculator works with a rotating screen that stores your last calculations and results. It supports more than forty functions including algebraic, transcendental, trigonometrical, hyperbolic and financial. Chances are that if you can't solve a mathematical equation with this calculator, then you won't be able to solve it with anything.

AllerCalc also includes different options that allow you to choose the sources, format (general or scientific) and select the number of decimals to visualize. You can even make metric conversions and much much more. A powerful calculator for that need some serious mathematical power.

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WiseCalc is a complete scientific calculator with which you can do many different operations covering not only basic arithmetic but also more advanced calculations involving physics constants, mathematical functions and more.

The good thing about WiseCalc is that it doesn't work only as a calculator, but also as unit converter with support for many different types of measurements. Also, you can use the calculator either with your keyboard or with the program's virtual keyboard.

WiseCalc features a fairly complete configuration menu and also allows you to define your own constants, functions and units to add them to the program's options.

WiseCalc is a very complete scientific calculator that some people may find complicated but that will be very useful for advanced users.

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SpeQ is an extremely small but powerful mathematical calculator with an intuitive interface, that makes it clear how to perform just about any calculation. It allows you to add, edit and execute calculations in a few seconds and supports all the common functions you require in a calculator.

Although SpeQ is aimed at those studying maths at an advanced level, anyone that's studying the subject will find something of use in it. If you want to take it with you to school or university, you can also run it directly from a USB stick which gets around those annoying download and install restrictions in most educational institutions. SpeQ is particularly useful for engineers or simply those looking for a slightly more powerful version of Windows calculator.

Quick, simple and packed with functions, if I'd had SpeQ at school, I'd probably have worked out the meaning of life.

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