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I want to add a minus operator to my NumberPad. How can I implement the inputAccessoryToolbar into my project and how do I add a minus operator to the NumberPad?

Juli IchSelber
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  • You asked this same question earlier and it was closed as a duplicate. You then deleted it and posted this question. Why? What's missing from the duplicate? – rmaddy Oct 08 '16 at 22:19
  • cause the answer of the duplicate question doesn't brings me on – Juli IchSelber Oct 08 '16 at 22:22

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