7/28/2023 0 Comments Soulver ios app![]() It shows a log of your calculations and looks like this:Īnother well-loved calculator app on macOS is PCalc. Optionally, if you know the keyboard shortcut or go looking through the menus, you can show a second window called a “Paper Tape”. A display showing a single value at a time.It uses metaphors from the physical world, such as: ![]() But we don’t design tools just for the lucky few, do we?Īpple’s Calculator app on macOS imitates an electronic calculator. Some humans have excellent attention and working memory. If you give important information to an information system and it disappears as soon as you enter it, you can’t check your work. If a calculator couldn’t show this: 38 ÷ 1.2 I had a Math teacher who would ban pocket calculators that didn’t show both your input and its result at the same time. We’ve lost many points on Math tests because of a momentary lapse of attention, because of finicky calculator keys. To some of us, this is a familiar experience. Here’s what happened: you hit the 8 key instead of the 5 key and then the ÷ key instead of the × key. What went wrong? In this case, you made a couple mistakes while inputing the calculation. You could try again, but your confidence is shaken. With luck, you know that multiplying 35 by a number higher than 1 should give you a result higher than 35, not lower. You whip it out, type on the keys, and the result looks like this: I’m starting to feel like applications for the Mac never surprise me anymore.Let’s say you want to calculate 35 × 1.2, and you have a pocket calculator. It seems that in a few minutes you can figure them out because they all work pretty much the same. Once in a blue moon, you find an app that has a completely new approach and a unique interface that is delightful. The app is called Soulver from soulver.app. The tag line for Soulver is that it’s a smart notepad with a built-in calculator. That is a technically correct description of the app but it sure doesn’t capture the beauty and uniqueness of the app. I’ll see if I can capture it in my own words as I go through Soulver for you. Soulver 3 for Mac is $19.95 US from now till June 30th, at which point the price will go up to $29.95. Soulver with folders, pretty colors & totals There’s also an iOS version of Soulver 2 for $2.99 in the App Store, but I didn’t test out that version. Soulver opens with a left sidebar which you can collapse, where you’ll keep all of your notes. ![]() You can name them, create folders using a little plus button in the bottom left, and drag your note sheets around to organize them in those folders. The center panel is where the real beauty comes into play. ![]() Imagine you’ve gone on a business trip and you want to capture your expenses. You drove to the airport and expect to be reimbursed for your mileage. You went to dinner with colleagues on the trip so you need to split the cost including tip. And you had to pay for the conference you attended on a per-day basis. But what if you could write in human terms instead of complex equations and create a beautiful expense report? Soulver with variables and calculations In order to do these calculations, you could pull out the glorious program that is Excel, or use the pretend spreadsheet program Numbers. For example, to calculate your mileage reimbursement at the US government’s standard of 54¢ per mile, in Soulver you would simply write:ĭrove to the airport 17 miles x $0.54/mileĪnd in the right column, you’ll see printed $9.18. Instead of going in and editing numbers in a tiny cell, just write * 2 at the end of the line and you’ll see a new total in the right column of $18.36. Soulver also converts *2 into x 2.īut later you’ll look at that line and wonder, “Why did I write x 2?” Soulver allows comments, so you simply use two forward slashes and write whatever you want. You can even use numbers in your comments and Solver will ignore them.
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