Sama calculator

Engineering Economic Analysis - Calculator Interpreter.

Calculator for interest factors and different economic formulas. It takes the formulas expression as-is, parse it, and calculates the result. The system has an interpreter for discrete compounding formulas with discrete payments, along a web site and a mobile app client, and an Rest api.

Live deployments

• Site: https://sama.up.railway.app/
• Mobile app: https://play.google.com/store/apps/details?id=org.autostream.sama
• Api: https://samaapi.up.railway.app/redoc/

Supported formulas

Source: Park, Chan S., Fundamentals of Engineering Economics, 3rdEd., Prentice Hall (2013)

TODO

• Enhance the website frontend.
• Add history feature, for previously inserted calculations.
• Support more formulas.

Licensed under GPL.