Mathematics category
Statistics calculators
Data summaries, uncertainty, measurement and practical quantitative models.
1288 calculators in this category. Page 22 of 27.
1288 calculators available. Search data loads only when you use this field.
HVAC Heat-Exchanger Effectiveness
Calculate heat-exchanger effectiveness percentage from actual heat-transfer rate and maximum thermodynamically possible rate.
Open calculator StatisticsHVAC Heat-Exchanger Effectiveness: solve actual heat-transfer rate
Rearrange the hvac heat-exchanger effectiveness relationship and solve for actual heat-transfer rate.
Open calculator StatisticsHVAC Heat-Exchanger Effectiveness: solve maximum thermodynamically possible rate
Rearrange the hvac heat-exchanger effectiveness relationship and solve for maximum thermodynamically possible rate.
Open calculator StatisticsHVAC Fan Specific Power
Calculate fan power per airflow from fan-system electrical input power and delivered air volume flow rate.
Open calculator StatisticsHVAC Fan Specific Power: solve fan-system electrical input power
Rearrange the hvac fan specific power relationship and solve for fan-system electrical input power.
Open calculator StatisticsHVAC Fan Specific Power: solve delivered air volume flow rate
Rearrange the hvac fan specific power relationship and solve for delivered air volume flow rate.
Open calculator StatisticsBipolar Transistor DC Current Gain
Calculate dc current gain beta from collector current and base current.
Open calculator StatisticsBipolar Transistor DC Current Gain: solve collector current
Rearrange the bipolar transistor dc current gain relationship and solve for collector current.
Open calculator StatisticsBipolar Transistor DC Current Gain: solve base current
Rearrange the bipolar transistor dc current gain relationship and solve for base current.
Open calculator StatisticsSemiconductor Die Power Density
Calculate average die power per area from die power dissipation and active die area.
Open calculator StatisticsSemiconductor Die Power Density: solve die power dissipation
Rearrange the semiconductor die power density relationship and solve for die power dissipation.
Open calculator StatisticsSemiconductor Die Power Density: solve active die area
Rearrange the semiconductor die power density relationship and solve for active die area.
Open calculator StatisticsCrystal Lattice Relative Strain
Calculate lattice strain percentage from lattice-parameter change and reference lattice parameter.
Open calculator StatisticsCrystal Lattice Relative Strain: solve lattice-parameter change
Rearrange the crystal lattice relative strain relationship and solve for lattice-parameter change.
Open calculator StatisticsCrystal Lattice Relative Strain: solve reference lattice parameter
Rearrange the crystal lattice relative strain relationship and solve for reference lattice parameter.
Open calculator StatisticsCrystalline Phase Mass Fraction
Calculate phase mass percentage from selected crystalline-phase mass and total characterized specimen mass.
Open calculator StatisticsCrystalline Phase Mass Fraction: solve selected crystalline-phase mass
Rearrange the crystalline phase mass fraction relationship and solve for selected crystalline-phase mass.
Open calculator StatisticsCrystalline Phase Mass Fraction: solve total characterized specimen mass
Rearrange the crystalline phase mass fraction relationship and solve for total characterized specimen mass.
Open calculator StatisticsCrystal Defect Number Density
Calculate defects per crystal volume from counted or estimated crystal defects and characterized crystal volume.
Open calculator StatisticsCrystal Defect Number Density: solve counted or estimated crystal defects
Rearrange the crystal defect number density relationship and solve for counted or estimated crystal defects.
Open calculator StatisticsCrystal Defect Number Density: solve characterized crystal volume
Rearrange the crystal defect number density relationship and solve for characterized crystal volume.
Open calculator StatisticsElectrochemical Coulombic Efficiency
Calculate coulombic efficiency percentage from recoverable discharge charge and charge supplied during charging.
Open calculator StatisticsElectrochemical Coulombic Efficiency: solve recoverable discharge charge
Rearrange the electrochemical coulombic efficiency relationship and solve for recoverable discharge charge.
Open calculator StatisticsElectrochemical Coulombic Efficiency: solve charge supplied during charging
Rearrange the electrochemical coulombic efficiency relationship and solve for charge supplied during charging.
Open calculator StatisticsElectrode Specific Charge Capacity
Calculate charge capacity per active mass from reversible electrode charge capacity and active electrode-material mass.
Open calculator StatisticsElectrode Specific Charge Capacity: solve reversible electrode charge capacity
Rearrange the electrode specific charge capacity relationship and solve for reversible electrode charge capacity.
Open calculator StatisticsElectrode Specific Charge Capacity: solve active electrode-material mass
Rearrange the electrode specific charge capacity relationship and solve for active electrode-material mass.
Open calculator StatisticsElectrolysis Specific Energy Consumption
Calculate electrical energy per product mass from electrical energy consumed and useful product mass.
Open calculator StatisticsElectrolysis Specific Energy Consumption: solve electrical energy consumed
Rearrange the electrolysis specific energy consumption relationship and solve for electrical energy consumed.
Open calculator StatisticsElectrolysis Specific Energy Consumption: solve useful product mass
Rearrange the electrolysis specific energy consumption relationship and solve for useful product mass.
Open calculator StatisticsElectrochemical Faradaic Product Yield
Calculate faradaic product yield percentage from measured target-product amount and theoretical faradaic product amount.
Open calculator StatisticsElectrochemical Faradaic Product Yield: solve measured target-product amount
Rearrange the electrochemical faradaic product yield relationship and solve for measured target-product amount.
Open calculator StatisticsElectrochemical Faradaic Product Yield: solve theoretical Faradaic product amount
Rearrange the electrochemical faradaic product yield relationship and solve for theoretical faradaic product amount.
Open calculator StatisticsAntenna Front-to-Back Power Ratio
Calculate front-to-back power ratio from radiated or received power in forward reference direction and power in backward reference direction.
Open calculator StatisticsAntenna Front-to-Back Power Ratio: solve radiated or received power in forward reference direction
Rearrange the antenna front-to-back power ratio relationship and solve for radiated or received power in forward reference direction.
Open calculator StatisticsAntenna Front-to-Back Power Ratio: solve power in backward reference direction
Rearrange the antenna front-to-back power ratio relationship and solve for power in backward reference direction.
Open calculator StatisticsDigital Radio Spectral Efficiency
Calculate information bits per second per hertz from net information bit rate and occupied channel bandwidth.
Open calculator StatisticsDigital Radio Spectral Efficiency: solve net information bit rate
Rearrange the digital radio spectral efficiency relationship and solve for net information bit rate.
Open calculator StatisticsDigital Radio Spectral Efficiency: solve occupied channel bandwidth
Rearrange the digital radio spectral efficiency relationship and solve for occupied channel bandwidth.
Open calculator StatisticsAntenna Aperture Efficiency
Calculate aperture efficiency percentage from effective receiving aperture area and physical projected aperture area.
Open calculator StatisticsAntenna Aperture Efficiency: solve effective receiving aperture area
Rearrange the antenna aperture efficiency relationship and solve for effective receiving aperture area.
Open calculator StatisticsAntenna Aperture Efficiency: solve physical projected aperture area
Rearrange the antenna aperture efficiency relationship and solve for physical projected aperture area.
Open calculator StatisticsRadio Transmitter Duty Factor
Calculate transmitter duty percentage from transmitter active on-time and total observation time.
Open calculator StatisticsRadio Transmitter Duty Factor: solve transmitter active on-time
Rearrange the radio transmitter duty factor relationship and solve for transmitter active on-time.
Open calculator StatisticsRadio Transmitter Duty Factor: solve total observation time
Rearrange the radio transmitter duty factor relationship and solve for total observation time.
Open calculator StatisticsRadionuclide Specific Activity
Calculate activity per unit mass from sample radioactive activity and radionuclide or sample mass.
Open calculator StatisticsRadionuclide Specific Activity: solve sample radioactive activity
Rearrange the radionuclide specific activity relationship and solve for sample radioactive activity.
Open calculator StatisticsRadionuclide Specific Activity: solve radionuclide or sample mass
Rearrange the radionuclide specific activity relationship and solve for radionuclide or sample mass.
Open calculator