Category
Science Tools — Free Online Utilities
Science tools grounded in real formulas: converters, calculators, and simulators for chemistry, biology, and physics tasks.
7 Herramientas
Gratis
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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 de la Tabla Periódica
Tabla periódica interactiva — haga clic en cualquier elemento para explorar sus propiedades.
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.
Traductor de ADN / ARN
Traduzca secuencias de ADN a ADN complementario, ARNm y cadenas de proteínas con un desglose codón por codón.