Malthusian Growth Model

$P = P_0*e^(r*t)$

$(P_0)"Initial Population"$

$(t)"Growth Period of Time"$

$(r)"Growth Rate Factor"$

Malthusian Growth Model

The Malthusian Growth Model is basically an exponential growth model based on a constant rate of change. It is widely regarded in the field of population ecology, but populations cannot grow indefinitely. This model should only be used for short time periods of about 10 to 20 years.

The formula for the Malthusian Growth Model is:

P = P₀⋅e^(r⋅t)

where:

P = future population size
P₀ = initial population size
r = exponential growth factor
t = period of time

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

References

https://en.wikipedia.org/wiki/Malthusian_growth_model