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LoansHouse Loan EMI CalculatorCompare EMI, interest, fees, prepayments, and rate changes. Number theoryGCD and LCM CalculatorCalculate for up to eight whole numbers and check each step. AlgebraSimultaneous Equations SolverSolve 2×2 and 3×3 systems with elimination steps. DeveloperUnix Timestamp ConverterConvert timestamps to dates and dates back again. Salary7th Pay Matrix CalculatorEstimate pay, allowances, deductions, and the next cell.

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Loans & EMI

Neutral, no-sign-up payment tools with assumptions and visible calculations.

Interest & returns

Transparent savings, compounding, ROI, ETF, and return calculators.

Business calculators

Pricing, margin, marketing, and break-even tools with visible formulas.

Numbers & arithmetic

Conversions, hex arithmetic, factors, counting, and written methods.

Algebra, vectors & matrices

Equations, polynomials, vectors, eigenvalues, and matrices.

Statistics

Distribution, center, variation, and standard-deviation tools with visible checks.

Tips & bill sharing

Calculate gratuity, split salon tips, or reconcile a staff tip pool.

Health & fitness estimates

Transparent walking, child-growth, sleep, strength, and running estimates with strong safety limitations.

Dates, timers & work

Focused tools for date arithmetic, retirement dates, time zones, workdays, and scheduling.

Text & developer tools

Private browser-based encoding, formatting, conversion, cleanup, and wordplay tools.

Notation & numerals

Scientific notation, calculator entry, and Roman numeral conversions.

Logs, exponents & roots

Rule-based calculators with visible transformation and verification steps.

Fractions & decimals

Exact conversions, recurring expansions, binary form, and practice questions.

Ratios

Simplify, scale, convert, and apply ratios with visible working.

Percentages

School, attendance, averages, reverse calculations, and change.

Geometry & distance

Slope, coordinate distance, travel, and map calculations.

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