Lay points on a w by h lattice at any spacing and count the points, the unordered pairs, the grid-neighbour edges, the distinct pair distances with a histogram, and the shortest, longest and mean separation. LATTICEDISTANCEHISTOGRAM
Convert one number into every base at once, with a signed bit-width view, two's complement and a padded hex form.
Score options against weighted criteria with a transparent weighted-sum calculation, normalised weights and a ranked breakdown.
Hypotenuse, area, perimeter and both acute angles of a right triangle, from two legs or from a leg and the hypotenuse.
Greatest common divisor and lowest common multiple of two integers, with the Euclidean algorithm shown step by step and the gcd x lcm identity as a check.
Cut the background off a photo in your browser — no upload, no watermark.
All 118 elements — tap two to see the compound they form.
Extract text from any PDF into a Word-compatible .doc download.
Paste text, pick a page size, export a clean paginated PDF.
