Category
Science Tools — Free Online Utilities
Science tools grounded in real formulas: converters, calculators, and simulators for chemistry, biology, and physics tasks.
7 Ferramentas
Gratuito
Sem cadastro
Chemical Formula Calculator
Parse chemical formulas and calculate molar mass and percent composition.
DNA Sequence Tools
Analyze DNA sequences: complement, GC content, transcription, and translation.
Earth & Space Calculator
Fun astronomy calculators: planetary weight, travel time, age on other planets, and more.
Explorador da Tabela Periódica
Tabela periódica interativa — clique em qualquer elemento para explorar suas propriedades.
Physics Calculator
Solve common physics problems with step-by-step solutions.
Scientific Unit Converter
Convert between scientific units for energy, pressure, force, power, and frequency.
Tradutor de DNA / RNA
Traduza sequências de DNA para DNA complementar, mRNA e cadeias de proteínas com análise códon por códon.