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Interactive Periodic Table & Element FinderSearch elements by name, symbol, atomic number, or approximate atomic mass, then view atomic data and temperature state estimates.Score 128periodicelementboilingElement State by Temperature CalculatorEstimate whether an element is solid, liquid, or gas at a selected temperature using melting and boiling points.Score 112elementtemperatureboilingElement FinderFind an element from its name, symbol, atomic number, or approximate atomic mass.Score 54elementperiodicTemperature ConverterConvert Celsius to Fahrenheit and Kelvin.Score 38temperatureTemperature ConverterConvert temperature values across common units with instant multi-result output.Score 30temperatureAtomic Number LookupFind an element by atomic number and view its symbol, mass, group, period, and category.Score 24periodicelementSound Speed CalculatorEstimate speed of sound in air from temperature.Score 22temperatureGay-Lussac's Law CalculatorCalculate final pressure from initial pressure and absolute temperatures.Score 22temperatureQuantum Harmonic Oscillator CalculatorCalculate quantum harmonic oscillator energy from angular frequency and quantum number.Score 22pointSymbol LookupFind full element names and atomic data from element symbols such as K, Fe, or Au.Score 22elementGPA CalculatorCalculate weighted GPA from course grades and credits.Score 14pointHeat CalculatorCalculate heat energy from mass, specific heat, and temperature change.Score 14temperatureSpecific Heat CalculatorCalculate specific heat from heat energy, mass, and temperature change.Score 14temperatureThermal Expansion CalculatorCalculate length change from original length, expansion coefficient, and temperature change.Score 14temperaturePhysics Ideal Gas Law CalculatorSolve pressure from moles, temperature, and volume using the ideal gas law.Score 14temperatureCharles's Law CalculatorCalculate final volume from initial volume and absolute temperatures.Score 14temperatureCombined Gas Law CalculatorCalculate final pressure from pressure, volume, and temperature changes.Score 14temperatureExam Score CalculatorCalculate exam percentage, missed points, and weighted contribution.Score 12pointPercentage Grade CalculatorConvert earned marks to grade percentage and points remaining.Score 12pointIdeal Gas Law CalculatorCalculate moles of gas using pressure, volume, and temperature.Score 4temperature