Deploy in 115+ regions with the modern database for every enterprise.
MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
Start Free
Gemini 3 and 200+ AI Models on One Platform
Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.
Build generative AI apps with Vertex AI. Switch between models without switching platforms.
The new site is at http://psychometricon.net/libirt/
The new site is at http://psychometricon.net/libirt/
Library of functions to estimate the items and abilities from the responses of subjects to a questionnaire. The IRT models supported are the logistic model, the multivariate logistic model, the graded model and smoothing by penalization and kernel.
This is a versatile graph plotting software for windows.
It can plot graphs from user specified functions.
simple interface put the function and press draw.
no installation required.
anti-cheating-programm for tests at school, loggs all activities on the computer, blocks www-browsers and saves data encrypt (own encryption script)
only for windows!
Debuxxe is an open source personal grader (or judge system) written in VB6.0. It helps training students who participate in computer olympiad program or informatics contests. Users can add their problems to Debuxxe easily.