The Week in Mac Apps: The collector

Thanks to the apps in this week’s roundup, you can keep your notes organized, solve complex equations (who doesn’t start their day with a bit of linear algebra?), and finally let loose with a light death-metal jam.

Vimov’s $1 Clear Day ( Mac App Store Link) gives your forecast a shine, with beautiful animated videos for every possible weather combination.

The app supports locations worldwide, can provide weather data for multiple places at once, and even supports notifications to keep you up to speed with upcoming forecasts.

Project Build’s CocoaNotes ( Mac App Store Link) is a note-taking app that can sync your data between OS X and iOS through iCloud.

The app—which is free with a $5 in-app purchase that unlocks all its functionality—supports rich text, and allows you to organize your notes in a set of arbitrary nested categories.

Norbyte’s Daydream Doodler ( Mac App Store Link) turns your Mac into a great tool for creating cartoon-like drawings with your mouse.

Perfect for the little ones (and for the little ones at heart), the app supports a number of bright colors, paintbrush types, and even special effects.

Flowboard’s $10 eponymous app ( Mac App Store Link) allows you to create beautiful, interactive presentations that work equally well on stage or over the Internet.

The app comes with its own cloud storage solution, which lets you quickly share your presentations with friends, customers, and colleagues.

Ninebuzz Software’s $15 Guitar Jam Tracks makes learning to play the guitar fun.

The app helps you practice by jamming alongside a soundtrack, learning your chords, and running through that most soul-sucking of musical education activities—scales.

Wolfram Research’s Mathematica 10 is the tenth incarnation of the popular computation engine, which can be used for complex calculations applied to practically any kind of scientific work.

The latest release supports execution through the browser, a cloud execution engine, and hundreds of new functions.

Anand’s $20 Subtitle Translator is the perfect program for those who like to watch foreign films—or for everyone who happens to live in today’s connected world.

The app detects and automatically translates the subtitles present in your videos between 42 different languages, and works right alongside Apple’s QuickTime Player without the need for additional software.

Developer Andrew Heard’s $4 Tunesify ( Mac App Store Link) helps you covert practically any audio file into formats supported by iTunes.

The app supports both lossy and lossless files, and converts them to the appropriate iTunes-compatible content to ensure the highest possible quality.

Developer Dante Palacios’s Collections Express helps you keep track of your music, movies, and other media. The free version of the program supports up to fifty items, with more slots available for in-app purchase.

Escribano’s $15 Onlytasks ( Mac App Store Link) is a task-tracking software that makes simplicity its mission. It works with your Evernote account, through which it lets you sync data between multiple devices.