Mathematics category
Statistics calculators
Data summaries, uncertainty, measurement and practical quantitative models.
1288 calculators in this category. Page 23 of 27.
1288 calculators available. Search data loads only when you use this field.
Radioactive Activity Concentration
Calculate activity per unit volume from sample radioactive activity and represented sample volume.
Open calculator StatisticsRadioactive Activity Concentration: solve sample radioactive activity
Rearrange the radioactive activity concentration relationship and solve for sample radioactive activity.
Open calculator StatisticsRadioactive Activity Concentration: solve represented sample volume
Rearrange the radioactive activity concentration relationship and solve for represented sample volume.
Open calculator StatisticsRadiation Half-Value-Layer Count
Calculate number of half-value layers from shield material thickness and material half-value-layer thickness.
Open calculator StatisticsRadiation Half-Value-Layer Count: solve shield material thickness
Rearrange the radiation half-value-layer count relationship and solve for shield material thickness.
Open calculator StatisticsRadiation Half-Value-Layer Count: solve material half-value-layer thickness
Rearrange the radiation half-value-layer count relationship and solve for material half-value-layer thickness.
Open calculator StatisticsCT Table Travel per Rotation
Calculate table advance per rotation from total helical table travel and completed gantry rotations.
Open calculator StatisticsCT Table Travel per Rotation: solve total helical table travel
Rearrange the ct table travel per rotation relationship and solve for total helical table travel.
Open calculator StatisticsCT Table Travel per Rotation: solve completed gantry rotations
Rearrange the ct table travel per rotation relationship and solve for completed gantry rotations.
Open calculator StatisticsPET Standardized Uptake Value
Calculate standardized uptake value from decay-corrected tissue activity concentration and injected activity per body-size measure.
Open calculator StatisticsPET Standardized Uptake Value: solve decay-corrected tissue activity concentration
Rearrange the pet standardized uptake value relationship and solve for decay-corrected tissue activity concentration.
Open calculator StatisticsPET Standardized Uptake Value: solve injected activity per body-size measure
Rearrange the pet standardized uptake value relationship and solve for injected activity per body-size measure.
Open calculator StatisticsMedical Image Contrast-to-Noise Ratio
Calculate contrast-to-noise ratio from absolute signal difference between target and background and noise standard deviation.
Open calculator StatisticsMedical Image Contrast-to-Noise Ratio: solve absolute signal difference between target and background
Rearrange the medical image contrast-to-noise ratio relationship and solve for absolute signal difference between target and background.
Open calculator StatisticsMedical Image Contrast-to-Noise Ratio: solve noise standard deviation
Rearrange the medical image contrast-to-noise ratio relationship and solve for noise standard deviation.
Open calculator StatisticsVibration Amplitude Transmissibility
Calculate amplitude transmissibility from transmitted response amplitude and input excitation amplitude.
Open calculator StatisticsVibration Amplitude Transmissibility: solve transmitted response amplitude
Rearrange the vibration amplitude transmissibility relationship and solve for transmitted response amplitude.
Open calculator StatisticsVibration Amplitude Transmissibility: solve input excitation amplitude
Rearrange the vibration amplitude transmissibility relationship and solve for input excitation amplitude.
Open calculator StatisticsStructural Dynamic Amplification Factor
Calculate dynamic amplification factor from peak or steady dynamic response and corresponding static response.
Open calculator StatisticsStructural Dynamic Amplification Factor: solve peak or steady dynamic response
Rearrange the structural dynamic amplification factor relationship and solve for peak or steady dynamic response.
Open calculator StatisticsStructural Dynamic Amplification Factor: solve corresponding static response
Rearrange the structural dynamic amplification factor relationship and solve for corresponding static response.
Open calculator StatisticsModal Effective-Mass Participation
Calculate modal mass participation percentage from selected mode effective mass and total physical mass in excitation direction.
Open calculator StatisticsModal Effective-Mass Participation: solve selected mode effective mass
Rearrange the modal effective-mass participation relationship and solve for selected mode effective mass.
Open calculator StatisticsModal Effective-Mass Participation: solve total physical mass in excitation direction
Rearrange the modal effective-mass participation relationship and solve for total physical mass in excitation direction.
Open calculator StatisticsStructural Strain-Energy Density
Calculate average strain energy per volume from stored elastic strain energy and material volume represented.
Open calculator StatisticsStructural Strain-Energy Density: solve stored elastic strain energy
Rearrange the structural strain-energy density relationship and solve for stored elastic strain energy.
Open calculator StatisticsStructural Strain-Energy Density: solve material volume represented
Rearrange the structural strain-energy density relationship and solve for material volume represented.
Open calculator StatisticsVibration Displacement-to-Clearance Utilization
Calculate clearance utilization percentage from peak vibration displacement amplitude and available mechanical clearance.
Open calculator StatisticsVibration Displacement-to-Clearance Utilization: solve peak vibration displacement amplitude
Rearrange the vibration displacement-to-clearance utilization relationship and solve for peak vibration displacement amplitude.
Open calculator StatisticsVibration Displacement-to-Clearance Utilization: solve available mechanical clearance
Rearrange the vibration displacement-to-clearance utilization relationship and solve for available mechanical clearance.
Open calculator StatisticsMachinery Vibration Severity Reference Ratio
Calculate severity-to-limit ratio from measured vibration severity value and selected reference or alarm limit.
Open calculator StatisticsMachinery Vibration Severity Reference Ratio: solve measured vibration severity value
Rearrange the machinery vibration severity reference ratio relationship and solve for measured vibration severity value.
Open calculator StatisticsMachinery Vibration Severity Reference Ratio: solve selected reference or alarm limit
Rearrange the machinery vibration severity reference ratio relationship and solve for selected reference or alarm limit.
Open calculator StatisticsAcoustic Equivalent Absorption Area
Calculate equivalent absorption area from represented surface area and surface absorption coefficient.
Open calculator StatisticsAcoustic Equivalent Absorption Area: solve represented surface area
Rearrange the acoustic equivalent absorption area relationship and solve for represented surface area.
Open calculator StatisticsAcoustic Equivalent Absorption Area: solve surface absorption coefficient
Rearrange the acoustic equivalent absorption area relationship and solve for surface absorption coefficient.
Open calculator StatisticsAcoustic Crest Factor
Calculate acoustic crest factor from peak acoustic waveform magnitude and rms acoustic waveform magnitude.
Open calculator StatisticsAcoustic Crest Factor: solve peak acoustic waveform magnitude
Rearrange the acoustic crest factor relationship and solve for peak acoustic waveform magnitude.
Open calculator StatisticsAcoustic Crest Factor: solve RMS acoustic waveform magnitude
Rearrange the acoustic crest factor relationship and solve for rms acoustic waveform magnitude.
Open calculator StatisticsWatershed Stream Frequency
Calculate stream segments per unit watershed area from count of mapped stream segments and watershed area.
Open calculator StatisticsWatershed Stream Frequency: solve count of mapped stream segments
Rearrange the watershed stream frequency relationship and solve for count of mapped stream segments.
Open calculator StatisticsWatershed Stream Frequency: solve watershed area
Rearrange the watershed stream frequency relationship and solve for watershed area.
Open calculator StatisticsWatershed Runoff Coefficient
Calculate event runoff coefficient percentage from event runoff depth and matched catchment precipitation depth.
Open calculator StatisticsWatershed Runoff Coefficient: solve event runoff depth
Rearrange the watershed runoff coefficient relationship and solve for event runoff depth.
Open calculator StatisticsWatershed Runoff Coefficient: solve matched catchment precipitation depth
Rearrange the watershed runoff coefficient relationship and solve for matched catchment precipitation depth.
Open calculator StatisticsStreamflow Flashiness Index
Calculate streamflow flashiness index from sum of absolute consecutive flow changes and sum of flow observations.
Open calculator StatisticsStreamflow Flashiness Index: solve sum of absolute consecutive flow changes
Rearrange the streamflow flashiness index relationship and solve for sum of absolute consecutive flow changes.
Open calculator StatisticsStreamflow Flashiness Index: solve sum of flow observations
Rearrange the streamflow flashiness index relationship and solve for sum of flow observations.
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