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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 158periodicelementmassElement FinderFind an element from its name, symbol, atomic number, or approximate atomic mass.Score 116elementofperiodicAtomic Weight CalculatorLook up atomic weight and nearest matching elements by approximate atomic mass.Score 92atomicmassofSymbol LookupFind full element names and atomic data from element symbols such as K, Fe, or Au.Score 86symbolofelementAtomic Number LookupFind an element by atomic number and view its symbol, mass, group, period, and category.Score 70atomicperiodicelementElement State by Temperature CalculatorEstimate whether an element is solid, liquid, or gas at a selected temperature using melting and boiling points.Score 44elementofDebt Payoff CalculatorEstimate payoff time, total paid, interest, and extra-payment impact for debt payoff.Score 40ofCredit Card Payoff CalculatorEstimate payoff time, total paid, interest, and extra-payment impact for credit card payoff.Score 40ofRest Mass Energy CalculatorCalculate rest mass energy from mass or mass from rest energy.Score 40massRoof Pitch CalculatorCalculate roof pitch percentage and angle from rise and run.Score 38ofProfit Margin CalculatorCalculate gross profit margin from revenue and cost.Score 38ofStock Profit CalculatorCalculate stock profit after buy price, sell price, shares, commissions, and taxes.Score 38ofProfit CalculatorCalculate gross profit, net profit, margin, and markup from revenue and cost.Score 38ofeBay Profit CalculatorCalculate eBay profit after item cost, shipping, packaging, ad cost, and seller fees.Score 38ofShopify Profit CalculatorEstimate Shopify profit after product cost, payment fee, shipping, ads, app costs, and returns.Score 38ofMass-Energy Equivalence CalculatorConvert between mass and equivalent energy using Einstein's equation.Score 38massTime Zone Offset CalculatorEstimate destination hour from current hour and time zone offset.Score 30ofOffer Acceptance Rate CalculatorCalculate offer acceptance rate from accepted offers and total offers made.Score 30ofSystem of Equations CalculatorSolve a 2x2 linear system a1x + b1y = c1 and a2x + b2y = c2.Score 30ofCoffee to Water Ratio CalculatorCompare, simplify, scale, and distribute values for coffee to water ratio.Score 30of