Guides
How to Make a Multiplication Chart (Free, Printable)
Learn how to make a multiplication chart from scratch, in Excel, Google Sheets, or with a free AI generator. Covers 12x12, 1-100, blank, and filled versions.
Comparisons
7 Top Free Napkin AI Alternatives for Educators in 2026
Looking for free Napkin AI alternatives? Compare Gamma, Canva, Piktochart, Venngage, Figviz and more text-to-visual AI tools built for teachers and classrooms.
Guides
How to Diagram a Sentence: Complete Guide with Examples & Free Generator (2026)
Learn sentence diagramming step by step with the Reed-Kellogg method. Explore 15+ visual examples from basic to advanced structures, or try our free AI sentence diagram generator.
What Is a Manuscript in Research? Definition, Types & How to Write One (2026)
A manuscript in research is the structured pre-publication document researchers submit to journals. Explore IMRAD format, 5 key manuscript types, how manuscripts differ from papers, and a practical step-by-step writing guide.
![Okabe-Ito Palette Hex Codes: Full 8-Color Reference with Code Examples [2026]](/_next/image?url=%2Fimages%2Ftools%2Fscientific-color-palette%2Fokabe-ito-categorical.webp&w=3840&q=75 "Okabe-Ito Palette Hex Codes: Full 8-Color Reference with Code Examples [2026]")
Guides
Okabe-Ito Palette Hex Codes: Full 8-Color Reference with Code Examples [2026]
Your go-to Okabe-Ito colorblind-safe palette reference: all 8 hex codes, RGB values, and copy-paste code snippets for Python, R, MATLAB, and CSS. Endorsed by Nature Methods.
Guides
Biology Drawing Guide: Create Scientific Diagrams (2026)
Master biology drawing with this complete guide to scientific diagrams. Covers cell illustrations, organism anatomy, labeling rules, and AI-powered diagram tools.