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';
Version  Uploaded  Documentation  Archive 

0.4.0  Jun 4, 2018  
0.3.7  Jun 4, 2018  
0.3.6  Jun 2, 2018  
0.3.5  May 13, 2018  
0.3.4  May 13, 2018  
0.3.3  May 13, 2018  
0.3.2  May 12, 2018  
0.3.0  May 11, 2018  
0.2.1  May 11, 2018  
0.2.0  May 10, 2018 
Popularity:
Describes how popular the package is relative to other packages.
[more]

24

Health:
Code health derived from static analysis.
[more]

0

Maintenance:
Reflects how tidy and uptodate the package is.
[more]

0

Overall:
Weighted score of the above.
[more]

12

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://www.dartlang.org/dart2#migration.
Package  Constraint  Resolved  Available 

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