# Services from numormo.vercel.app on Zero

> numormo.vercel.app serves 100 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/numormo.vercel.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/numormo.vercel.app/health.json

## Services

- [Numora Net Present Value (NPV) Calculator](https://www.zero.xyz/c/numora-net-present-value-npv-calculator-ce1f2d57/llms.txt): $0.1/call via x402. Computes the net present value of a series of cash flows discounted at a given rate
- [Numora — Linear System Solver API](https://www.zero.xyz/c/numora-linear-system-solver-api-7e971961/llms.txt): $0.1/call via x402. Solves a system of linear equations given a coefficient matrix A and constant vector b, returning the solution vector
- [Numora Hessian Matrix Calculator](https://www.zero.xyz/c/numora-hessian-matrix-calculator-d515ea65/llms.txt): $0.1/call via x402. Computes the Hessian matrix (matrix of second-order partial derivatives) of a multivariable function at a specified point
- [Numora Length Unit Conversion](https://www.zero.xyz/c/numora-length-unit-conversion-f5dd5b58/llms.txt): $0.02/call via x402. Converts a numeric length value from one unit to another (e.g. meters to feet, miles to kilometers)
- [Numora Matrix Transpose API](https://www.zero.xyz/c/numora-matrix-transpose-api-8bd8737d/llms.txt): $0.1/call via x402. Computes the transpose of a 2D matrix, flipping rows and columns, with no external dependencies.
- [Numora Retirement Savings Projection](https://www.zero.xyz/c/numora-retirement-savings-projection-6c088e20/llms.txt): $0.1/call via x402. Computes projected retirement savings balance given current savings, periodic contributions, annual interest rate, and investment horizon
- [Numora Bond Yield Calculator](https://www.zero.xyz/c/numora-bond-yield-calculator-038b3135/llms.txt): $0.1/call via x402. Computes the yield to maturity (YTM) of a bond given face value, market price, coupon payment, and number of periods
- [Numora Matrix Inverse](https://www.zero.xyz/c/numora-matrix-inverse-60b4812c/llms.txt): $0.1/call via x402. Computes the inverse of a square matrix using pure math with no external dependencies
- [Numora Prime Number Generation API](https://www.zero.xyz/c/numora-prime-number-generation-api-b2d3ebdb/llms.txt): $0.02/call via x402. Generates a list of the first N prime numbers using pure server-side math computation
- [Numora Nonlinear Equation Solver](https://www.zero.xyz/c/numora-nonlinear-equation-solver-7b2e527f/llms.txt): $0.1/call via x402. Numerically solves a nonlinear equation f(x)=0 given a function expression and an initial guess, returning the root.
- [Numora Collatz Sequence Computation](https://www.zero.xyz/c/numora-collatz-sequence-computation-86b14437/llms.txt): $0.1/call via x402. Computes the Collatz sequence (3n+1 conjecture) for a given integer, returning the full sequence and related statistics
- [Numora Matrix QR Decomposition API](https://www.zero.xyz/c/numora-matrix-qr-decomposition-api-7a664a0d/llms.txt): $0.1/call via x402. Computes the QR decomposition of a given matrix, returning orthogonal (Q) and upper triangular (R) factor matrices.
- [Numora Simple Interest Calculator](https://www.zero.xyz/c/numora-simple-interest-calculator-18be139a/llms.txt): $0.1/call via x402. Computes simple interest given a principal amount, interest rate, and number of periods
- [Numora Pressure Unit Conversion](https://www.zero.xyz/c/numora-pressure-unit-conversion-d27cd08a/llms.txt): $0.02/call via x402. Converts a pressure value from one unit to another using pure math computation with no external dependencies.
- [Numora Matrix Eigenvectors API](https://www.zero.xyz/c/numora-matrix-eigenvectors-api-9db4833b/llms.txt): $0.1/call via x402. Computes the eigenvalues and eigenvectors of a given square matrix using pure server-side math with no external dependencies.
- [Numora Statistics T-Test Endpoint](https://www.zero.xyz/c/numora-statistics-t-test-endpoint-eb27413d/llms.txt): $0.1/call via x402. Performs a two-sample t-test on two numeric arrays and returns the t-statistic, p-value, and related statistical results
- [Numora Break-Even Analysis](https://www.zero.xyz/c/numora-break-even-analysis-d710041e/llms.txt): $0.1/call via x402. Calculates the break-even point in units and revenue given fixed costs, variable cost per unit, and price per unit
- [Numora Matrix Null Space](https://www.zero.xyz/c/numora-matrix-null-space-12ac9d1d/llms.txt): $0.1/call via x402. Computes the null space (kernel) of a matrix — the set of all vectors x such that Ax = 0
- [Numora Payback Period Calculator](https://www.zero.xyz/c/numora-payback-period-calculator-fde90d9a/llms.txt): $0.1/call via x402. Computes the payback period for an investment given a series of cash flows, returning how long it takes to recover the initial investment.
- [Numora Catalan Number Generator](https://www.zero.xyz/c/numora-catalan-number-generator-201cc44f/llms.txt): $0.02/call via x402. Computes the nth Catalan number given an integer index n
- [Numora Angle Unit Converter](https://www.zero.xyz/c/numora-angle-unit-converter-9c77dc33/llms.txt): $0.02/call via x402. Converts an angle value from one angular unit to another (e.g. degrees to radians)
- [Numora Hypothesis Testing](https://www.zero.xyz/c/numora-hypothesis-testing-69eac4ca/llms.txt): $0.1/call via x402. Performs statistical hypothesis tests on numeric data arrays, returning test statistics, p-values, and conclusions
- [Numora Polynomial Solver](https://www.zero.xyz/c/numora-polynomial-solver-ee4b2181/llms.txt): $0.1/call via x402. Solves polynomial equations and finds their roots given an array of coefficients in descending degree order
- [Numora Time Unit Conversion](https://www.zero.xyz/c/numora-time-unit-conversion-f8c50894/llms.txt): $0.02/call via x402. Converts a numeric time value from one unit to another (e.g. hours to seconds, days to minutes) with no external dependencies.
- [Numora Loan Amortization Calculator](https://www.zero.xyz/c/numora-loan-amortization-calculator-405897e5/llms.txt): $0.1/call via x402. Computes a full loan amortization schedule given a principal, annual interest rate, and loan term in months
- [Numora Matrix SVD (Singular Value Decomposition)](https://www.zero.xyz/c/numora-matrix-svd-singular-value-decomposition-19ae072f/llms.txt): $0.1/call via x402. Computes the Singular Value Decomposition (SVD) of a matrix, returning U, Σ, and V matrices
- [Numora Modular Exponentiation API](https://www.zero.xyz/c/numora-modular-exponentiation-api-7f378dda/llms.txt): $0.1/call via x402. Computes modular exponentiation (base^exp mod m) for integers, useful in cryptography and number theory
- [Numora Matrix Eigenvalues API](https://www.zero.xyz/c/numora-matrix-eigenvalues-api-720c774c/llms.txt): $0.1/call via x402. Computes the eigenvalues of a given square matrix using pure server-side math with no external dependencies.
- [Numora Compound Interest Calculator](https://www.zero.xyz/c/numora-compound-interest-calculator-f603558b/llms.txt): $0.1/call via x402. Computes compound interest growth for a principal amount given an interest rate, number of periods, and optional compounding frequency
- [Numora Differential Equation Solver](https://www.zero.xyz/c/numora-differential-equation-solver-3dc62fc4/llms.txt): $0.1/call via x402. Numerically solves ordinary differential equations (ODEs) of the form dy/dt = f(t,y) given an initial condition and time span
- [Numora Area Unit Conversion](https://www.zero.xyz/c/numora-area-unit-conversion-4b6ce679/llms.txt): $0.02/call via x402. Converts an area value from one unit to another (e.g. square meters to acres) with no external dependencies
- [Numora Matrix Condition Number](https://www.zero.xyz/c/numora-matrix-condition-number-39f7c1cb/llms.txt): $0.1/call via x402. Computes the condition number of a matrix, measuring how sensitive the matrix is to numerical errors in linear systems.
- [Numora Percentile Computation](https://www.zero.xyz/c/numora-percentile-computation-19ea76c9/llms.txt): $0.1/call via x402. Computes the Nth percentile value from a dataset of numbers with no external dependencies
- [Numora Calculus Gradient API](https://www.zero.xyz/c/numora-calculus-gradient-api-47433b20/llms.txt): $0.1/call via x402. Computes the numerical gradient (vector of partial derivatives) of a multivariable function at a specified point
- [Numora Fibonacci Sequence Generator](https://www.zero.xyz/c/numora-fibonacci-sequence-generator-4050b0de/llms.txt): $0.02/call via x402. Generates a Fibonacci sequence of a specified length, returning the sequence as a computation result with a human-readable description.
- [Numora ROI Calculator](https://www.zero.xyz/c/numora-roi-calculator-484170a4/llms.txt): $0.1/call via x402. Computes Return on Investment (ROI) given a cost and a gain value, returning the ROI percentage and related financial metrics.
- [Numora Taylor Series Expansion API](https://www.zero.xyz/c/numora-taylor-series-expansion-api-dbef65d1/llms.txt): $0.1/call via x402. Computes the Taylor series expansion of a mathematical function around a specified center point up to a given order
- [Numora Bond Price Calculator](https://www.zero.xyz/c/numora-bond-price-calculator-87ba0fd5/llms.txt): $0.1/call via x402. Computes the fair present value (price) of a bond given its yield to maturity, face value, coupon payment, and number of periods
- [Numora Volume Unit Conversion](https://www.zero.xyz/c/numora-volume-unit-conversion-f12eb1bd/llms.txt): $0.02/call via x402. Converts a numeric volume value from one unit of measurement to another (e.g., liters to gallons, milliliters to cups).
- [Numora Calculus Integral API](https://www.zero.xyz/c/numora-calculus-integral-api-cc83c467/llms.txt): $0.1/call via x402. Numerically integrates a mathematical function over a specified interval using Simpson's, trapezoid, or Gauss quadrature methods
- [Numora Prime Check](https://www.zero.xyz/c/numora-prime-check-7623cf08/llms.txt): $0.1/call via x402. Determines whether a given integer is a prime number
- [Numora Calculus Limit Computation](https://www.zero.xyz/c/numora-calculus-limit-computation-79d94590/llms.txt): $0.1/call via x402. Computes the mathematical limit of a function as x approaches a given point, with support for one-sided and two-sided limits
- [Numora Matrix Rank Computation](https://www.zero.xyz/c/numora-matrix-rank-computation-ccd5f769/llms.txt): $0.1/call via x402. Computes the rank of a given matrix (2D array) using pure mathematical computation with no external dependencies.
- [Numora Calculus Series Computation](https://www.zero.xyz/c/numora-calculus-series-computation-0dbcf6e2/llms.txt): $0.1/call via x402. Computes the sum or convergence of a mathematical series given a term expression in index n, with optional term limit and tolerance.
- [Numora IRR (Internal Rate of Return) Calculator](https://www.zero.xyz/c/numora-irr-internal-rate-of-return-calculator-00835de0/llms.txt): $0.1/call via x402. Computes the Internal Rate of Return (IRR) for a series of cash flows using pure math computation with no external dependencies
- [Numora Histogram Computation](https://www.zero.xyz/c/numora-histogram-computation-2894a241/llms.txt): $0.1/call via x402. Computes a histogram (bin counts and edges) for a given array of numeric data with a configurable number of bins
- [Numora Mortgage Payment Calculator](https://www.zero.xyz/c/numora-mortgage-payment-calculator-98acf45d/llms.txt): $0.1/call via x402. Computes monthly mortgage payment and amortization details given principal, annual interest rate, and loan term in months
- [Numora Calculus Derivative Endpoint](https://www.zero.xyz/c/numora-calculus-derivative-endpoint-9184d183/llms.txt): $0.1/call via x402. Numerically computes the derivative of a mathematical function at a specified point, supporting higher-order derivatives.
- [Numora Quadratic Equation Solver](https://www.zero.xyz/c/numora-quadratic-equation-solver-5d36a74f/llms.txt): $0.1/call via x402. Solves quadratic equations (ax² + bx + c = 0) and returns the real or complex roots along with a human-readable computation summary
- [Numora Chi-Square Test API](https://www.zero.xyz/c/numora-chi-square-test-api-3d88fa7e/llms.txt): $0.1/call via x402. Computes a chi-square goodness-of-fit or independence test given observed (and optionally expected) frequency arrays
- [Numora Optimization Solver](https://www.zero.xyz/c/numora-optimization-solver-04a674df/llms.txt): $0.1/call via x402. Solves numerical optimization problems (minimize/maximize a function) given a mathematical expression and an initial guess, using gradient descent or Nelder-Mead methods
- [Numora Linear Programming Solver](https://www.zero.xyz/c/numora-linear-programming-solver-9e4a23b3/llms.txt): $0.1/call via x402. Solves linear programming optimization problems given an objective function and constraints using the simplex or related method
- [Numora Lucas Sequence Generator](https://www.zero.xyz/c/numora-lucas-sequence-generator-d2e7e006/llms.txt): $0.02/call via x402. Generates the nth Lucas number (or sequence up to n) using pure mathematical computation with no external dependencies
- [Numora Prime Factorization API](https://www.zero.xyz/c/numora-prime-factorization-api-39095d96/llms.txt): $0.1/call via x402. Computes the prime factorization of an integer, returning its prime factors and their exponents.
- [Numora Regression Analysis API](https://www.zero.xyz/c/numora-regression-analysis-api-9b85d6f3/llms.txt): $0.1/call via x402. Fits a polynomial regression model to paired x/y data arrays and returns regression coefficients and model statistics
- [Numora Inflation Calculator](https://www.zero.xyz/c/numora-inflation-calculator-5e27dd88/llms.txt): $0.1/call via x402. Computes the inflation-adjusted value of an amount over a specified number of years at a given annual inflation rate
- [Numora Jacobian Matrix Computation](https://www.zero.xyz/c/numora-jacobian-matrix-computation-460b23e4/llms.txt): $0.1/call via x402. Computes the Jacobian matrix of a system of multivariate functions evaluated at a given point
- [Numora Pascal Triangle Generator](https://www.zero.xyz/c/numora-pascal-triangle-generator-47f3d522/llms.txt): $0.02/call via x402. Generates Pascal's triangle up to n rows, returning all row values as a pure math computation with no external dependencies
- [Numora Speed Unit Conversion](https://www.zero.xyz/c/numora-speed-unit-conversion-7bd6c794/llms.txt): $0.02/call via x402. Converts a numeric speed value from one unit to another (e.g., mph to km/h, m/s to knots) using pure math computation with no external dependencies.
- [Numora Descriptive Statistics API](https://www.zero.xyz/c/numora-descriptive-statistics-api-68901e86/llms.txt): $0.1/call via x402. Computes descriptive statistics (mean, median, mode, variance, standard deviation, etc.) for a numerical dataset
- [Numora Matrix Norm API](https://www.zero.xyz/c/numora-matrix-norm-api-0a333a38/llms.txt): $0.1/call via x402. Computes the Frobenius, 1-norm, or infinity norm of a given matrix
- [Numora CAGR Calculator](https://www.zero.xyz/c/numora-cagr-calculator-46a4a7c4/llms.txt): $0.1/call via x402. Computes the Compound Annual Growth Rate (CAGR) given a beginning value, ending value, and number of years
- [Numora Sequence Generation API](https://www.zero.xyz/c/numora-sequence-generation-api-66186875/llms.txt): $0.02/call via x402. Generates mathematical sequences of specified length using a user-defined recurrence rule and optional initial conditions
- [Numora Moving Average Calculator](https://www.zero.xyz/c/numora-moving-average-calculator-6d3f31a5/llms.txt): $0.1/call via x402. Computes simple (SMA), exponential (EMA), or weighted (WMA) moving averages over a numeric data array with a specified window size
- [Numora Fibonacci Number Generator](https://www.zero.xyz/c/numora-fibonacci-number-generator-489d5feb/llms.txt): $0.1/call via x402. Computes the nth Fibonacci number given an integer index n
- [Numora Statistics Correlation](https://www.zero.xyz/c/numora-statistics-correlation-93c3ff78/llms.txt): $0.1/call via x402. Computes the Pearson 

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