Cell/Organism Count (Logistic Growth)

The Cell/Organism Count (Logistic Growth) calculator computes the number of cells/organisms undergoing exponential growth as a population.

 INSTRUCTIONS: Choose units and enter the following:

• (x₀) Initial Concentration
• (x_oo) Carrying Capacity
• (k) Logistic Growth Rate Constant
• (t) Time

Organism Growth (X):  The calculator return the number of cells/organisms. 

The Math / Science

The Cell/Organism Count (Logistic Growth) equation computes the number of cells/organisms undergoing exponential growth as a population.

     `x = x_0 / x_oo  (1 -e^(kt))`

Inputs are:

• x = organisms
• x₀ = initial concentration (g/l)
• x_oo = carrying capacity (g/l)
• k = logistic growth rate constant (1/hours)
• t = time (hours)

Growth Calculators

• Logistic Growth
• Malthusian Growth Model
• Organism Count (Logistic Growth)
• Max Potential Growth Rate (biotic potential)
• How Many Ancestors
• Simple Stats Calc - Simple observation statistics (see below)
• Math Statistics Calc - College level statistics and regression calculator.

Simple Stats Calc

For the most simple statistics calculator on the Internet, use vCalc's Simple Stats Calc.   The Simple Stats Calc lets you enter comma separated numbers: 

• (x): 3,4,5,1,-17,45,67,89,7,4,4,-26

The Simple Stats Calc gives you all of these calculated results:

• Number (n): 12 
• Minimum Value (Min): -26.0 
• Mean: 15.5 
• Median: 4.0 
• Mid-Point: 31.5 
• Mode: 4.0 
• Maximum Value (Max): 89.0 
• Numeric Range: 115.0 
• Population Variance: 1054.0833 
• Population Standard Deviation: 32.4666 
• Sample Variance: 1149.9091
• Sample Standard Deviation: 33.9103 
• Mean Absolute Deviation (MAD): 25.75 
• Sum (Σx): 186.0 
• Sum Squared (Σx)²: 34596.0 
• Sum of Squares Σ(x²): 15532.0 
• Observations: 3,4,5,1,-17,45,67,89,7,4,4,-26 
• Sorted up: -26.0,-17.0,1.0,3.0,4.0,4.0,4.0,5.0,7.0,45.0,67.0,89.0 
• Sorted down: 89.0,67.0,45.0,7.0,5.0,4.0,4.0,4.0,3.0,1.0,-17.0,-26.0