- Embed Builder — share links & iframe code | CalcBE
Create CalcBE share links and responsive iframe embeds. Supports presets, UTM tags, base64url cfg, optional hash mode, and an auto-height snippet.
- Fraction Simplifier & Mixed Number Converter (Steps & Visuals) | CalcBE
Reduce any fraction, convert between improper and mixed numbers, and review Euclidean GCD steps with pie and number line visuals for lessons.
- Kinematics: SUVAT / Projectile / Free Fall (steps) | CalcBE
Solve SUVAT unknowns, 2D projectile motion and free-fall on one page. Get step-by-step logs, quadratic root reasoning, shareable URLs, plots, and teacher notes.
- Limiting reagent calculator (with steps) | CalcBE
Auto-balance reactions, convert grams ↔ moles (purity optional), and get limiting reagent, theoretical yield, and percent yield — step by step.
- Matrix Calculator — RREF / Solve Ax=b / Inverse / Determinant (with steps) | CalcBE
Compute RREF, solve Ax=b, find the inverse, determinant, rank, null space, row and column spaces with detailed elimination logs. Supports exact fractions, decimals, shareable URLs, and LaTeX export.
- Number line & interval visualizer (inequality shading)
Shade inequalities and interval unions on an interactive SVG number line. Visualize algebra steps, export SVG/PNG, and copy share-ready URLs for lessons.
- Quick charts from pasted data — scatter / box plot + regression (with steps, PNG/PDF)
Paste spreadsheet data to generate scatter and box plots instantly. Includes OLS, Theil–Sen, and polynomial regression with step-by-step math plus PNG/PDF export.
- Worksheet & Quiz Auto-Generator (steps & PDF)
Worksheet & quiz auto-generator with steps (PDF) - linear, quadratic, factoring, fractions, ratios. Deterministic seed for reproducible class handouts.