免費線上工具

Generate formatted lab notebook entries from your experiment details. Full entries, procedure logs, or formal experiment reports with objective, materials, procedure, observations, results, and conclusions. Copy and paste into your notebook. Free, browser-based.

Plot data as line, scatter, or bar charts from x,y pairs or separate columns. Enter lab results, calibration curves, or trial data — get an instant SVG chart with axis labels. Free, browser-based.

Graph mathematical functions y = f(x) instantly. Enter expressions like sin(x), x^2, exp(x), or multiple functions — get an SVG plot with axes, grid, and auto-scaling. Free, browser-based.

Randomize experiment run order, assign samples to treatment groups, or shuffle replicate blocks. Fisher–Yates shuffle with optional seed for reproducible lab randomization. Free, browser-based.