科学工具

Free online scientific file converter: CIF, PDB, XYZ, MOL, SDF, SMILES, POSCAR, XSF, JSON, STL, OBJ. Browser-based, private, no signup.

Free Ohm's law calculator — solve for voltage, current, resistance, or power from any two values. Instant results in your browser.

Free projectile motion calculator — find range, max height, and time of flight from speed and launch angle. Instant results in your browser.