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DDMathParser makes it easy to parse a String and evaluate it as a mathematical expression.

While NSExpression and GCMathPaser can satisfy simple needs, they are comparatively limited. They do not support some of the key features of DDMathParser, such as:

• accessing intermediate representations
• defining custom functions
• adding custom operators
• adding new ways to recognize existing operators
• overriding built-in functions
• recognizing localized numbers
• associating parsed expressions back to the original source string
• recognizing unicode characters such as ² or ½

DDMathParser gives you all of these things and more.

Requirements

• Xcode 8
• Mac OS X 10.9+
• iOS 8.0+
• watchOS 2.0+