yek mashin hesabe gerafiki ke yek reshte shamele adade ashari ra az karbar migirad va "postfix" va "prefix" an ra hamrah ba tamame marahele anjame kar namayesh midahad, hamchonin meghdare payani ra ba estefade az "postfix" an be dast avarde va namyesh midahad.

mashin hesab baraye be dast avardane postfix va prefix az "stack" estefade mikonad, in mashin hesab tamame marahele kar a "stack" ra dar yek panjereye joda neshan midahad.
hamchonin baraye be dast avardane javabe payani az "postfix" estefade mikonad va marahele an ra neshan midahad.
hamchonin ghodrate barresiye ebarate vared shode az nazare "syntax" ra niz darad.
be zoodi yek aks az an ra upload khaham kard.