![]() Navigate to the folder that holds the unzipped sample code. sln) file.Ĭhoose the F5 key, or Ctrl+F5 keys, to run the project. Navigate to the folder that holds the unzipped sample code, and open the solution (. Simply follow the link and then click 'Run' button at the top to make the service to compile and run the program. How to run You can immediately check this program out by visiting OnlineGDB. On the menu bar, choose File > Open > Project/Solution. C Console Calculator It's a console calculator written in C for self-learning purposes. To download and run the sample, follow these steps: For more extensive examples, see Managed Extensibility Framework samples. Many of the applications that would benefit most from the power of MEF are more complex than SimpleCalculator. NOTE: The purpose of SimpleCalculator is to demonstrate the concepts and syntax of MEF, rather than to necessarily provide a realistic scenario for its use. Using MEF, you will be able to add new operators without changing the application code. The goal of SimpleCalculator is to create a console application that accepts basic arithmetic commands, in the form "5+3" or "6-2", and returns the correct answers. In this example, you build a very simple calculator named SimpleCalculator. Subtotal is: 8.000000 / Memory cell #1 has: 2.The simplest way to see what Managed Extensibility Framework can do is to build a simple MEF application. Here's an example of using those (click to expand). mpa ("memory print all"): print the values of the cells whose contents aren't 0.mca ("memory clear all"): set the values of all the cells to 0. Console Calculator Download Free Calculator Downloads Console Calculator for Windows v3.1.0 CCalc.zip (267kB) or CCalcsetup.exe (553kB) for Windows 2000/XP/Vista/7 Console Calculator for OS X CCalc is also available for Mac OS X 10.5 or later, available in the Mac App Store.mr or mr# ("memory recall"): recall the value from #-th cell.mc or mc# ("memory clear"): set the value of #-th cell to 0.m- or m-#: substract the subtotal from the value of #-th cell.Please note that if the index hasn't been specified explicitly, it would be considered 1 automatically, so commands m+ and m+1 are identical. m+ or m+# (where # is the index of the certain cell: ): add the current subtotal to the value of #-th cell.Here's the more detailed list of the commands: This calculator supports a number of memory cells, up to 20 cells exactly. Such the syntax has no parentheses support (so there's no correct order of arithmetic operations), besides, it sometimes shows a weird behavior. ![]() But this is not a designed feature but only a side effect. However, let's mention that the synthax like 1 + 2 * 3 / 2 (all in one line) is allowable technically. The program also ignores input which's meaningless in the given context but this is not very exciting to see the examples of such a behavior. Please:ġ) enter different number to finish this expression, orĢ) enter operator to make different expression with subtotal shown above. This feature also provides safety for calculations considering mathematically incorrect results, like in the following example (click to expand). The following example is (4 + 2) ^ 2 expression: Input: This calculator is able to save the subtotal, so if you've misspelled while entering a value, feel free to overwrite it. commands such as = (get the subtotal value), quit (close the program), c (reset all the calculations), and operations with the memory of the calculator: m+, m-, mc, mr, mca (i.e., "memory clear all" - see details below), mpa ("memory print all") there's a separate chapter there describing how to use all these memory commands.square root r (there's it's kinda a postfix operator here which returns the square root of the subtotal value).binary operators (addition +, subtraction -, multiplication *, division /, exponentiation ^).any numbers including percentage like 10%.The values are needed to be placed on the separate lines. The subtotal value will be shown, and then the program will be closed. If you'd like to close the program, just type quit. Output (here and below, there's a brief version of output): Please note that each value you want to feed the program, except the % symbol, must be put on a separate line (in other words, hit Enter every time you put the value to the command prompt), like that: Input: Then you'll need to run the executable file from bin directory. ![]() To do so, download directories bin and doc and place them side by side. ![]()
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