Search tools

NDJSON to Zod Schema

Convert NDJSON into Zod Schema locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.

Negative Binomial Probability Calculator

Calculate negative binomial probability with guided inputs, visible equations, substituted working, and model assumptions.

Finance & Business

Net Debt to Capital Ratio Calculator

Measure cash-netted debt as a share of net debt plus same-date equity.

Calculators

Net Present Value Calculator

Discount five annual cash flows and subtract the initial investment.

Normal Cumulative Probability Calculator

Create a bounded, browser-local normal cumulative probability calculator with visible assumptions, review guidance, and downloadable output.

Normal Cumulative Probability Calculator

Calculate normal cumulative probability with guided inputs, visible equations, substituted working, and model assumptions.

Physics

Nusselt Number Heat Transfer Calculator

Compare convection with conduction across a stated fluid length.

Odds Ratio Calculator

Calculate odds ratio with guided inputs, visible equations, substituted working, and model assumptions.

ODS to CSV

Convert ODS into CSV locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.

ODS to DOCX

Convert ODS into DOCX locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.

ODS to EPUB

Convert ODS into EPUB locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.

ODS to HTML

Convert ODS into HTML locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.