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#### 7.8.8 Mathematica Language Mode

The `d M` (`calc-mathematica-language`) command selects the conventions of Mathematica. Notable differences in Mathematica mode are that the names of built-in functions are capitalized, and function calls use square brackets instead of parentheses. Thus the Calc formula ‘`sin(2 x)`’ is entered and displayed ‘`Sin[2 x]`’ in Mathematica mode.

Vectors and matrices use curly braces in Mathematica. Complex numbers are written ‘`3 + 4 I`’. The standard special constants in Calc are written `Pi`, `E`, `I`, `GoldenRatio`, `EulerGamma`, `Infinity`, `ComplexInfinity`, and `Indeterminate` in Mathematica mode. Non-decimal numbers are written, e.g., ‘`16^^7fff`’. Floating-point numbers in scientific notation are written ‘`1.23*10.^3`’. Subscripts use double square brackets: ‘`a[[i]]`’.