Integral calculator (symbolic)
Definite integral via composite Simpson's rule (n = 1000). For pure symbolic integration, use a CAS like SymPy or Wolfram.
About this tool
Integral calculator (symbolic) is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.
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