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Ned

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About Ned

  • Rank
    Newbie

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  • OS
    Windows 10
  • CPU
    Intel
  • RAM
    8GB
  • Storage Type
    Hard Disk
  • Storage Size
    500GB – 1TB
  • Graphics Card
    Nvidia

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  1. Ned

    Nice and free math software

    It is not about just calculating expressions like 2 + 3 = 5. It is also to about documenting your calcs in design reports. I still have a colleague that writes them with MathType + hand calculator each time again and again. With Calcpad, you can program the entire solution and save it as a worksheet for future use. The next time, simply change some values, and it will recalculate to the end. Here are some better explanations about this: https://calcpad.blog/2018/01/09/my-first-program-quadratic-equation/ It looks like programming, but it requires almost no programming skills except how to write formulas and comments. If you put question marks where you need to enter data, you can generate a web form and publish it, like this one: http://calcpad.net/Worksheet/247/cubic-equation About Excel, it is a great software... but for accounting. In general, spreadsheets are not so suitable for engineering for one main reason: It is difficult to see, check and display the actual formulas inside the cells. What i mean is that instead of "F = m*a", you see "= F6*B12". If you have a long spreadsheet with complex equations, you can quickly get lost. Unless, you use named cells, which is tedious. Additionally, you have to write the formulas again with MathType in order to display them properly in the report. However, I have seen a lot of spreadsheets, where the formula looks right, but the result is wrong. That is because the actual formula is different than the "official" one. Other things are more difficult as well: you cannot define your own functions (unless you use VBA), no variable substitution, np conditional splitting, no built in units support, etc. For that reason, I switched to MathCAD some years ago. It is really a heavy weight champ - extremely powerful and produces nicely formatted reports. And I still prefer math software before spreadsheets when it comes to engineering. Calcpad is not that powerful, but it is lightweight and much more simple than MathCAD. It also works different: it parses plain text formulas and generates Html. I wish it could generate LaTeX or MathML to display better formulas, but it cannot do that for now.
  2. Has anyone tried this math software: http://calcpad.net/ The program can be downloaded from http://calcpad.net/Download/Calcpad_Setup.exe It is not that powerful, but it is simple, handy and totally free. It supports input forms generation and Html reporting. That makes it a good option for engineering calculations worksheets especially for structural design. It also supports complex numbers, custom variables and functions, graphing in 1D and 2D, units, numerical methods, conditions (if-else-end if), cycles, comments etc.
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