An interpreter for math expressions. Supports real and complex numbers.
Note: This library is still in an early state, the test coverage is not perfect, the performance is not optimized and some features are still unimplemented.
var result = evaluate("1+sin(π/2)");
print(result); // prints "2"
Add this to your package's pubspec.yaml file:
dependencies:
math_evaluator: ^0.4.0
You can install packages from the command line:
with pub:
$ pub get
Alternatively, your editor might support pub get
.
Check the docs for your editor to learn more.
Now in your Dart code, you can use:
import 'package:math_evaluator/ast/complex.dart';
import 'package:math_evaluator/ast/contract/calculable.dart';
import 'package:math_evaluator/ast/contract/element.dart';
import 'package:math_evaluator/ast/contract/evaluable.dart';
import 'package:math_evaluator/ast/contract/literal.dart';
import 'package:math_evaluator/ast/contract/token.dart';
import 'package:math_evaluator/ast/degree.dart';
import 'package:math_evaluator/ast/difinition/constants.dart';
import 'package:math_evaluator/ast/difinition/functions.dart';
import 'package:math_evaluator/ast/difinition/operations.dart';
import 'package:math_evaluator/ast/func.dart';
import 'package:math_evaluator/ast/group.dart';
import 'package:math_evaluator/ast/identifier.dart';
import 'package:math_evaluator/ast/number.dart';
import 'package:math_evaluator/ast/operator.dart';
import 'package:math_evaluator/evalutaor.dart';
import 'package:math_evaluator/lex.dart';
import 'package:math_evaluator/parse.dart';
import 'package:math_evaluator/util.dart';
Popularity:
Describes how popular the package is relative to other packages.
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0

Health:
Code health derived from static analysis.
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Maintenance:
Reflects how tidy and uptodate the package is.
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Overall:
Weighted score of the above.
[more]

0

The package version is not analyzed, because it does not support Dart 2. Until this is resolved, the package will receive a health and maintenance score of 0.
Support Dart 2 in pubspec.yaml
.
The SDK constraint in pubspec.yaml
doesn't allow the Dart 2.0.0 release. For information about upgrading it to be Dart 2 compatible, please see https://dart.dev/dart2#migration.
Make sure dartdoc
successfully runs on your package's source files. (10 points)
Dependencies were not resolved.
Package  Constraint  Resolved  Available 

Direct dependencies  
Dart SDK  >=2.0.0dev.46.0 <2.0.0 