Perform HTTP requests including GET, HEAD, POST, PUT, DELETE, OPTIONS, and TRACE. View raw headers and HTML responses. Simulate different user-agents. Support SSL for https requests with certificate details. Save and review history of tested URLs.
Calculate measurements for various types including M, MF, UNC, and NPT. Determine tap hole sizes and bolt specifications by selecting type, nominal size, and pitch. Perform cold forming and repair calculations.
Create scatterplots and fit simple or multiple linear, logistic, or exponential models. Display standard errors, confidence intervals, and P-values for model parameters. Include categorical predictors and two-way interactions.