Create line segments and polygons by stretching bands around the Geoboard. Explore perimeter, area, angles, and fractions through interactive shapes. Manipulate bands to compare sizes and test congruence.
View video demonstrations of each pattern. Access detailed test and pattern descriptions. Review focus points and expectations for each test. Track progress and understand technical requirements for assessments.
Enter and manage datasets for statistical analysis. Perform descriptive statistics, hypothesis testing, and confidence interval calculations. Conduct linear, exponential, and power-law regression.
Access the periodic table with atomic weight, electronegativity, electron affinity, ionization energy, radius, and isotopes. Compare element properties. Search for compounds and reactions. View chemical equations and formulas.
Save and download PDFs with a single tap. Read articles from arXiv.org and inspirehep.net. Sync sidebar content across devices using iCloud Drive. Organize and access research papers seamlessly.
Generate formulae based on m/z value, mass accuracy, and elemental composition. Specify double bonds equivalent. Display first 1000 results. Share formulae via email.