@PennyRatio
kamal singh
Creator of PennyRatio | Building practical web calculators with clear assumptions
About
I’m Kamal Singh, creator of PennyRatio, an independent personal finance calculator website. I build lightweight web tools and write about JavaScript calculation logic, input validation, testing, and usability. My focus is making estimates and their limitations easier to understand. Based in Rajasthan, India.
Available for
Collaborations on useful web tools, calculator testing, usability feedback, and knowledge sharing with fellow builders.
kamal singh's blogs
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