Md. Merajul Islam

Md. Merajul Islam

Founder of 50+ financial calculator.
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Md Merajul Islam Internal Auditor & Cost Control Specialist I am an Internal Auditor and Cost Control Specialist with over 10 years of experience in real estate and pharmaceutical industries. He built QuickFinCalc to solve a problem he saw repeatedly in his audit work ā€” business owners and professionals making financial decisions based on guesswork and manual spreadsheets. Every calculator on this site is built on the same financial formulas used in professional auditing ā€” verified for accuracy, explained in plain language, and made completely free. ā€¢ Internal Audit & Cost Control (10+ years) ā€¢ Real Estate & Pharmaceutical Industry Experience ā€¢ Assistant Manager, Internal Audit ā€¢ Committed to Financial Literacy & Accuracy

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Quick Financial Calculator - 53 free financial calculators. No signup, no ads.

53 free financial calculators for loans, investments, taxes, e-commerce & payroll ā€” no signup, no ads, no data collection. Built solo by a practicing Internal Auditor & Cost Control Specialist with 11+ years of experience. Real audit-grade formulas, not black-box math. Highlight: the mortgage calculator includes full PITI breakdown, PMI detection & a printable amortization schedule. Would love your feedback!
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