Similarly, 5 mod 10 = 5 since 10 divides into 5 zero times with 5 left over as the remainder.įor positive numbers, whenever the divisor (modulus) is greater than the dividend, the remainder is the same as the dividend. Further ReadingĮxplore modular arithmetic and modulo operations further including a mod b for negative numbers.The strength of Soulver lies in its flexibility. Full-fledged spreadsheet apps like Numbers and Excel have their place. However, day-to-day life requires calculations that don’t demand that level of horsepower and benefit from contextualizing numbers with text. It’s the kind of math that happens in notebooks and on the back of envelopes. By combining elements of a text editor, spreadsheet, and plain English syntax, Soulver commits those easily-lost notebook scribblings to a format that allows for greater experimentation and easier sharing.ĭuring WWDC last week, Acqualia Software released a major update to the app. Soulver 3 for Mac features an updated design and substantial new functionality that I love. The app has never been easier to use, and its implementation of a sidebar to corral sheets is fantastic. However, unlike its predecessor, version 3‘s file format is incompatible with the iOS version of the app and earlier Mac versions. Soulver also saves its data as a single ‘sheetbook’ file now, which means it can no longer save or manage sheets as individual files saved to arbitrary locations on your Mac. Both changes will be problematic for some users who may want to wait for future updates that the app’s developer has said are in the works. If you’ve ever sat down with a pen and piece of paper to work out calculations, you’ll understand the power of Soulver immediately. The Mac and the iOS apps are part text editor, part calculator and work the way you think by letting you combine text and numbers on the same page.įor anyone who spends more time in a text editor than a spreadsheet app, Soulver is perfect. By mixing text and figures, a Soulver document becomes a roadmap making it easy to retrace your steps when you revisit your work later. Instead of guessing what all the numbers on a page mean, you can give each a descriptive label and add other text providing context. Writing calculations in plain English is faster than using a spreadsheet too because you don’t have to stop to consider what formulas to apply to which cells.īest of all, Soulver approximates how you’d solve the same problems with a pen and paper, making it intuitive, but also better because the calculator is built right into the page. As you type on the left side of a document, Soulver keeps track of the math on the right-hand side with syntax highlighting that makes the calculations simple to follow.
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