double variable into 2 decimal places flutter
double num1 = double.parse((12.3412).toStringAsFixed(2));
// 12.34
double num2 = double.parse((12.5668).toStringAsFixed(2));
// 12.57
double num3 = double.parse((-12.3412).toStringAsFixed(2));
// -12.34
double num4 = double.parse((-12.3456).toStringAsFixed(2));
// -12.35double 2 decimal places flutter
/// Define an extension:
extension Ex on double {
double toPrecision(int n) => double.parse(toStringAsFixed(n));
}
/// Usage:
void main() {
double d = 2.3456789;
double d1 = d.toPrecision(1); // 2.3
double d2 = d.toPrecision(2); // 2.35
double d3 = d.toPrecision(3); // 2.345
}Copyright © 2021 Codeinu
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