![]() ![]() There is a spreadsheet mode, support for SI units and non-system units.CivilWeb Sign Post Foundation Design Calculator Spreadsheet I would recommend some modern CASIO: you will find almost everything in it except the built-in formulas for calculating electric circuits these calculators are cheap and relatively durable at the present time the easy-to-call soft menu allows you to work with the necessary symbols/conversions to 1.3 keystrokes. Calculator for the ages is unlikely to be released now. ![]() It is difficult to add anything new to all of the above. But that, as well as CRC calculation and circuit formulas probably wouldn't be too hard to program. You can try it in Free42 on your computer to see if it does what you want.Īs for the other features, the DM42 and 42S have decent base conversion support, but no interactive bit editor. There's a "Show" button to display the current X value using these symbols, and up and down keys to shift the mantissa and symbol up or down. If you're looking at the DM42, I wrote a program for it (and the 42S, and Free42) that mimics the Casio engineering symbols.Įnter a number into X, and press the required symbol in the menu. So say you want to microfarads, a common unit for capacitors, it's I think, is that right?Īctually I say a nice Casio with dual ENG buttons, one for "up" and one for "down". Yeah, sorry, I should have put, that's the key I meant. ![]() (01-26-2020 06:55 PM)kuro68k Wrote: (01-25-2020 08:14 PM)Csaba Tizedes Wrote: I don't understand exactly, I guess you know how to use the or key.Īs mechanical engineer this is the fastest way to keying prefixes, but the mechanical engineers mainly use kilo-, mega- and milli-, micro- prefixes (no pico-, femto- and strange others ). RPN is a little bit of a pain though, as for electronics you are mostly working with formulas out of books or datasheets and it's really nice to be able to replicate them on the screen so you can visually confirm it's correct. Thanks for your very kind offer! I will think about what the specification would be. I will look at the WP43C firmware, I am a software engineer after all so maybe I can contribute to it. The DM42 looks interesting, I like the idea that it can be fully customized. Thanks I had that Casio but sold it a while back. I have already added an ELEC menu with some things I need, but I would like to add more electrical stuff. Were there ever any calculators designed for engineers like me?Īre you willing to buy a DM42, work in RPN exclusively, define and specify what you want and help develop what you want? If so, I will offer to add and change defined menus and functions on the open source WP43C (not the 43S) for this purpose. The CG-20 and a few other models let you assign SI units to the function keys and enter them with one press, and also display SI units on screen. It gets to be a bit of a chore constantly doing e10,9,sign over and over. Some Casio models have two ENG buttons for going up or down x1000, but don't use SI notation. Binary/hex/decimal conversion with editor (01-13-2020 01:23 PM)kuro68k Wrote: I've been looking for a calculator for use in electronic and firmware engineering for ages. ![]()
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