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Logarithmic Function CalculatorCalculate common log, natural log, and custom-base log values.Score 68logfunctionScientific CalculatorUse a keyboard-friendly scientific calculator with trig, logs, powers, constants, and memory.Score 36logfunctionLogarithm CalculatorCalculate logarithms for any positive base and value.Score 30logTrigonometric Function CalculatorCalculate sin, cos, tan, radians, and complementary angle values.Score 30functionBlog Income CalculatorEstimate blog income from pageviews, ad RPM, affiliate conversion, and product sales.Score 30logWave Function CalculatorCalculate simple wave function phase, real value, wavelength, and frequency relationships.Score 30functionExponential Function CalculatorCalculate exponential growth, e^x, and base-power values.Score 28functionProbability Density CalculatorCalculate probability density from real and imaginary wave function amplitudes.Score 22functionAdvanced Scientific CalculatorEvaluate trig, logarithmic, exponential, root, and power operations from one advanced panel.Score 16logWeight ConverterConvert kilograms to pounds and ounces.Score 14logpH CalculatorCalculate pH from hydrogen ion concentration.Score 4logDecibel CalculatorCalculate decibels from sound intensity and reference intensity.Score 4logMolality CalculatorCalculate molality from moles of solute and kilograms of solvent.Score 4logpOH CalculatorCalculate pOH from hydroxide concentration and pH relationship.Score 4logBuffer CalculatorEstimate buffer pH using the Henderson-Hasselbalch equation.Score 4logProtein Intake CalculatorEstimate daily protein target from body weight and grams per kilogram.Score 4logMortgage CalculatorEstimate monthly mortgage payments, total interest, principal, and payoff cost.Score 2BMI CalculatorCalculate body mass index using metric or imperial units and view the standard BMI category.Score 2Compound Interest CalculatorProject future investment value with compounding frequency and recurring contributions.Score 2Fuel Cost CalculatorEstimate advanced trip fuel cost with distance modes, efficiency units, fuel price units, emissions, commute projections, and vehicle comparisons.Score 2