ios - How to create apps with live text calculations/processing similar Calca and Taskpaper -


any suggestions start create apps similar soulver, calca, , taskpaper.

i'm planning create simple text-based project management app handles scheduling, assignments, etc.

is there framework or library can leverage?

you may find nsexpression useful can perform several mathematical operations:

nsexpression *expression = [nsexpression expressionwithformat:@"5 - 2**5"]; id value = [expression expressionvaluewithobject:nil context:nil]; 

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