Cool calculator
One calculator for math, finance, units & style
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Pirashanthan Elan

Cool calculator - One calculator for math, finance, units & style

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Most calculator apps do one thing. ThemeCalc Pro does four. Scientific & basic calculator, financial tools (mortgage + interest), full unit converter, and customisable themes — all in one app. Built for students, professionals, and anyone tired of switching between multiple apps just to get through their day. Available free on Android and ios. Honest feedback welcome — still actively building.

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Pirashanthan Elan
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Hey Product Hunt 👋 I'm the solo developer behind ThemeCalc Pro, building out of New Zealand. The idea came from frustration — I kept switching between multiple apps just to handle different calculation needs in one sitting. A scientific calculator here, a unit converter there, a mortgage tool somewhere else. ThemeCalc Pro is my attempt to fix that in one clean package. Would genuinely love feedback on what features matter most to you or what's missing. I'm actively developing and user input actually shapes the roadmap. Thanks for checking it out.