Quick Confidence Interval 與 ThermoX 使用情況與統計

In statistics, confidence intervals can be used to express the degree to which sample results are reliable. Confidence intervals are often stated in terms of a percentage like 90% or 95%. When the sample or population distribution is the Normal (bell-shaped) distribution, the confidence intervals can be represented as a number of standard deviations (σ) above or below the sample mean (μ). Moving the slider beneath the graph will vary the confidence intervals from 50% to 99%. Additionally, you may choose the two-tailed confidence intervals or the one-tailed interval by tapping the button beneath the slider. In this application, you may chose the standardized Normal distribution with μ=0.0 and σ=1.0 or some other values for mean and standard deviation.

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ThermoX

Quickly calculate thermodynamic and fluid property states from 16 possible combinations of the following inputs: * Pressure * Temperature * Density * Specific volume * Enthalpy * Entropy * Internal energy Calculate saturation conditions from pressure or temperature Calculated properties: * Pressure * Temperature * Density * Specific volume * Enthalpy * Internal energy * Entropy * Quality * Thermal conductivity * Absolute viscosity * Kinematic viscosity * Speed of sound * Prandtl number Interactive plotting tools: * Pressure vs. Temperature * Enthalpy vs. Entropy * Pressure vs. Enthalpy * Pressure vs. Specific volume * Temperature vs. Entropy Includes 45 fluid types SI and Imperial unit system input and output with mixed units option also available. Molar or mass based units selectable. Calculations for arbitrary mixtures. Based on Eider Duck Software's proprietary formulation of the cubic thermodynamic equations for unparalleled accuracy in the liquid, gas, and mixed domains