Custom Formula Calculator

Future Labs Innovations

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About this app

Custom Formula Calculator lets you build your own calculators in minutes.
Add parameters (like variables), create equations, and save them for future use. Later, just enter values to instantly get accurate results.

Whether you’re a student, professional, or hobbyist, this app adapts to your needs:

✅ Custom Parameters – Add unlimited variables.
✅ Equation Builder – Create and save your own formulas.
✅ Quick Calculation – Enter values and get instant answers.
✅ Reusable – Save calculators and use them anytime.

Perfect for math, finance, engineering, or everyday calculations.
Build once, calculate forever.

Using this you can build : Profit Calculator / Loan Interest Rate Calculator / Area and Volume Calculator / Discount Calculator / Bio Medical Calculator / Chemical Calculator / Finance Calculator

Ratings and reviews

simple but effective. However, If my phone were to need replacing, there is no backup and restore. It woukd be convenient to copy the results to clipboard. Author of app is active. No major bugs yet. New update has a little tip on how to use a built in function.

made a simple formula. wrong answer every time. plug the same numbers into calculator and it's fine. app does not work well

Does the job really well !! i wanted to create some quick calculators for my trading and its just the perfect tool. one tip: i wish it had like more than 1 output or formula option within 1 calculator would make things wayyy easy.