PDAcalc matrix - Use this calculator for your basic and linear algebra calculations. Using matrices allows you to perform far more powerful calculations with less instructions. Instead of using one value at the time use a matrix or vector containing hundreds of values.
Uses same syntax as high-end mathematical programs like matlab.
Matrix calculations
No tables or different screens to enter the elements of a matrix.
Autoscaling
x=[-4:0.1:4]; % Creates a vector of values from -4 till 4
plot(x,x.^2) % Plot these values versus x^2
Logarithmic scaling
Logarithmic scaling for the x-axis and the y-axis.
Solve linear equations
[2 3;1 -1][14;-3] % Solves for 2*x+3*y=14 and x-y=-3
Roots function
roots([1 -1.43 0.49]) % Finds the roots of x^2-1.43x+0.49
Complex numbers
t=[0:0.1:2*pi]; % Create a vector of values from 0 till 2pi
plot(exp(1j*t)) % These short instructions will plot a circle using a matrix containing complex numbers.
Solve higher order differential equations
A 'spring damper' example is included in the mechanical category of the build-in database.
Build-in matrix functions
Eigen values - Singular value decomposition - LU - QR - KRON - magic - pascal etc.
Create your own keypad
Select a special keypad for matrix calculations, basic calculations, scientific calculations or just define your own keypad with your own buttons for your own needs. Buttons on keypad will resize automatically.
Built-in database to store your own scripts
Store your scripts in different categories for easy access.
Several example scripts are included.
Color-coded debug screen
If there is an error in your script the line number at which
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Supported operating systems:
Palm OS 4.x, Palm OS 5.x
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