Calculator

Simple Console Calculator using C++

ClassMap

• Node Class diagram, include Number Node, Operator node(Binary Node, UnaryNode and Multiple Node) and variable node.

  
  
  

• Scanner class is responsible for the expression of the scan, Parser class is parse the expression to the corresponding node.

  
  
  

• These classes are mainly responsible for the storage of data, including the function and variable. Serialize class nmake the storage of data can serialize

  
  
  

How to use

Recogniaed Commands

• !h: Help
• !quit: quit
• !v: show variable list
• !f: show funcation list
• !load filename: load file
• !save filename: save variable and funcation to file

Example

>> 123+7-10*8-10+9*(4-3)/4
42.25
>>-10*7+4-10
-76
>>a=4
4
>>b=3
3
>>a+b-3*5/3
2
>>e*10/2
13.5914
>>cos(100)*10-sqrt(4)
6.62319
>>!f
fucation list:
log
log10
exp
sqrt
sin
cos
tan
sinh
cosh
tanh
asin
acos
atan
>>e
2.71828
>>pi
3.14159
>>a
4
>>b
3
>>!save test.txt
save "test.txt".
>>!load test.txt
load "test.txt".
>>!quit

Liense

Copyright 2016 henryblue
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.