Error, missing operator or ';'
Typically, this error occurs in Worksheet mode using 1-D Math. For example, multiplication requires a * sign. For more operators, see arithmetic operator.
Also, all functions require parentheses around their arguments.
2 x + y; # Worksheet mode using 1-D Math.
Error, missing operator or `;`
2*x + y;
Important: Implicit multiplication is permitted with 2-D Math input.
Functions require parentheses around their arguments.
cos x; # All functions require parentheses around their arguments.
arithmetic operators, functions, 1-D versus 2-D Math
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