- 2D geometry calculator – area & perimeter of shapes | CalcBE
Compute area and perimeter for rectangles, circles, triangles, trapezoids and regular polygons from side lengths, radii or heights, with formulas shown for homework and quick design checks.
- 2D graphing calculator – plot and intersect functions | CalcBE
Plot up to three functions, find intercepts, intersections and extrema numerically, and explore the graph with zoom, pan, shareable URLs and clear step-by-step logs.
- 3D Geometry Calculator (Sphere, Cylinder, Cone, Prism) | CalcBE
Compute volume and surface area for spheres, cylinders, cones, rectangular and regular prisms—with example inputs, step-by-step formulas, and a shareable result link.
- Algebra simplifier with colors for like terms | CalcBE
Expand with distribution, color-match like terms, and simplify step by step. See sign flips, teacher mode, shareable URL, LaTeX copy, and SVG export all in your browser.
- Arithmetic & Geometric Sequence Calculator | CalcBE
Compute the nth term, partial sum, common difference or ratio, and number of terms for arithmetic and geometric sequences. Shows formulas, steps, term previews, and infinite geometric series when |r| < 1.
- Base Converter & Bitwise Toolkit (Bin/Oct/Dec/Hex) | CalcBE
Convert between binary, octal, decimal, and hexadecimal, and run AND/OR/XOR/NOT and bit shifts—then copy a shareable result link.