Documentation moved.This entry is documented with its primary interface. Open the documentation → API/nerdamer/calculusFunctionSsrc/calculus/fresnel.ts:31S(x: ExpressionInput): ExpressionComputes the normalized Fresnel sine integral S(x) = integral(sin(pi*t^2/2), t, 0, x). Numeric real arguments are evaluated numerically. Symbolic arguments remain as S(x).ParametersNameTypeDescriptionxExpressionInput—ReturnsExpression