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Ad Revenue CalculatorEstimate ad revenue from pageviews, fill rate, RPM, and viewability.Score 68adrevenueAdvanced Scientific CalculatorEvaluate trig, logarithmic, exponential, root, and power operations from one advanced panel.Score 40adKids Addition CalculatorPractice addition with visual counters, guided steps, Learn Mode, and friendly checking.Score 40adWeighted Grade CalculatorCalculate a weighted course grade from assignments, exams, and projects.Score 38adDeadline Buffer CalculatorCalculate remaining buffer days before a deadline.Score 38adDownload Time CalculatorEstimate download time from file size and internet speed.Score 38adMatrix Addition CalculatorAdd two 2x2 matrices entry by entry.Score 38adBearing Load CalculatorEstimate equivalent bearing load from radial and axial loads.Score 38adElectrical Load CalculatorCalculate electrical load from voltage, current, power factor, and quantity.Score 38adHeat Load CalculatorEstimate heat load from area, heat gain factor, occupants, and equipment.Score 38adDeadline CalculatorEstimate deadline offset from start day, duration, review buffer, and weekend/holiday adjustment.Score 38adUpload Time CalculatorEstimate upload time from file size and upload speed.Score 38adYouTube Revenue CalculatorEstimate YouTube revenue from views, RPM, sponsorships, and platform share.Score 38revenueGrade CalculatorCalculate grade percentage from earned points and possible points.Score 38adFinal Grade CalculatorCalculate required final exam score from current grade, desired grade, and final weight.Score 38adPercentage Grade CalculatorConvert earned marks to grade percentage and points remaining.Score 38adAssignment Deadline CalculatorEstimate assignment schedule from work hours, days available, and revision buffer.Score 38adBohr Radius CalculatorCalculate Bohr orbit radius for hydrogen-like atoms.Score 38adROAS CalculatorCalculate return on ad spend from ad revenue, ad spend, and gross margin.Score 36adrevenueRadioactive Decay CalculatorCalculate remaining quantity, initial quantity, half-life, or time for radioactive decay.Score 32ad