Soulver for OS X is discounted by 50% this weekend.

Soulver is an awesome calculator app that lets you write out your math problem with words, list, and other real language to get a real, useful answer without confusing equations.

With Soulver  you can assign variables (length=8inch) and then use them later ($10 x length), calculate percentages ("32 as a % of 80"), and lots more

List of features

• Words and numbers togeater
• Smart editing
• Easy percentages
• Conversions & Units
• Syntax Coloring
• Anser tokens
• Handy statistics
• Functions
• Big Number Support
• Hex and Binary
• Formatting Bar
• Notation
• Inline variables
• Stock Variables
• Currency Variables
• Export to PDF,RTF,HTML,CVS and Plain text

Check out the video above for a demo of Soulver

Soulver available for

• OSX: Mac App Store
• iPad: App Store
• iPhone: App Store