Which program is used for fast and accurate calculations as well as formatting of data in a document

Which program is used for fast and accurate calculations as well as formatting of data in a document ?

किस प्रोग्राम का उपयोग तेज़ और सटीक गणनाओं के साथ-साथ दस्तावेज़ में डेटा के प्रारूपण के लिए किया जाता है?

Topic : LibreOffice Calc