fix

Author: linzhijun

README-EN.md

@@ -35,7 +35,7 @@ ToolGood.Algorithm is a powerful, lightweight, `Excel formula` compatible algori
 	var m = engine.TryEvaluate("[1,2,3,4,5,6].has(13)", true);//Return false 返回false
 ```
 
-Constants`pi`, `e`, `true`, `false`are supported.
+Constants `true`, `false`are supported.
 
 The value is converted to bool, non-zero is true and zero is false.
 String to bool, `0` `FALSE` `NO` `无` `没有` `不是` `否` is false, `1` `TRUE` `YES` `是` `有` is true. Case insensitive.

README.md

@@ -40,7 +40,7 @@ ToolGood.Algorithm是一个功能强大、轻量级、兼容`Excel公式`的算
     var m = engine.TryEvaluate("[1,2,3,4,5,6].has(13)", true);//Return false 返回false
 ```
 
-支持常量`pi`, `e`, `true`, `false`。
+支持常量`true`, `false`。
 
 数值转bool，非零为真, 零为假。字符串转bool, `0`、`FALSE`、`NO`、`无`、`没有`、`不是`、`否`为假，`1`、`TRUE`、`YES`、`是`、`有`为真。不区分大小写。