- Eigenmath computer algebra system The lightweight and powerful CAS now is ported to Android. Perhaps you know it from the others versions for: windows, mac, ppc. Powerful has a scientific calculator. Some features: Scripts. Multidimensional integrals. Solution of linear equations Indefinite and definite integration. Matrix operations including products, inverses.
- Download fast the latest version of Eigenmath: Eigenmath, free software for computer algebra, a simple and complete programme.
Portable Eigenmath is a lightweight application that can help math students or casual users who frequently work with mathematical equations, by providing them with the necessary tools for.
| eigenMath |
When I do these tutorials I often have to take out pencil and paper and do some calculations. It's painful and ..
>Aah, poor guy. I feel so sorry for you.
At one time I thought I'd buy symbolic algebra software, like Maple, but it's a few hundred dollars so ...
>Aah, poor guy.
Then I discover that there's this really neat program called eigenMath.
>Is it any good?
It has three things going for it:
- It does some calculus, finds roots, sums series, plots curves ... and a host of other neat things.
- It's very easy to use.
- It's less than 600 kB in size !
- It's free!!
For example ...| You ask for this | and you get this display |
| S = sum(k,0,10,(1.01)^k) --- sums 1.01^k from k = 0 to k = 10 S --- this just displays the value of S | S = 11.5668 |
| roots(x^3-2*x^2+2*x-1) | |
| y = x*sin(x) draw | |
| integral(pi*sqrt(1-x^2),x) eval(last,x,0.5) | |
| M=0.1 -- Mean is 10% S=0.3 -- Standard Deviation is 30% f=(1/S/(2*pi)^(1/2))*(1/sqrt(2*pi))*exp(-(x-M)^2/(2*S^2)) yrange=(0,1) xrange=(-1,1) draw(f) --- the Normal Distribution :^) |
| >Wait! How do you ask for things? When you That's where you type in your Then you click on a button: Run Script and get ... . . . . ... surprise! >It says simplify? 1/(x-a) - 1/(x+a) and get: Then click Simplify and get: |
Check out the functions it's got:
| abs | adj | and | arccos | arccosh | arcsin | arcsinh | arctan | arctanh | arg | binomial | ceiling | check | coeff | cofactor | condense | conj | contract | cos | cosh | d | deg | denominator | det | dim | display | do | dot | draw | eigen | erf | erfc | eval | exp | expcos | expsin | factor | factorial | filter | float | floor | for | gcd | hermite | hilbert | imag | inner | integral | inv | isprime | laguerre | lcm | legendre | log | mag | mod | not | numerator | or | outer | polar | prime | product | quote | quotient | rank | rationalize | real | rect | roots | simplify | sin | sinh | sqrt | stop | subst | sum | tan | tanh | taylor | test | trace | transpose | unit | zero
>Taylor? Who's he?
Just download a copy, using this link, and try: taylor(x*exp(-x))
then Derivative and/or Integral and/or Draw and/or ...
>Hold on! I'm getting my own copy ...
You might also try:
taylor(sin(x),x,9) --- asking for powers up to the 9th
draw
and get:
See how it tries to mimic the sine curve?
Then try higher powers and ...
>Hold on! I'm getting my own copy ...
Eigenmath Casio Fx Cg50
Then, too, you can do some financial stuff:
Eigenmath Download
Write:
r = 0.1 -- Mean Return is 10%
s = 0.25 -- Standard Deviation is 25%
T = 3.0 -- Time is 3 years into the future
Po = 10 --- current stock price is $10
f = (1/s/x/(2*pi*T)^(1/2))*exp(-(ln(x/Po)-(r-s^2/2)*T)^2/2/T/s^2)
xrange=(0,40)
yrange=(0,0.1)
draw(f)
Eigenmath Manual
and get the Ito probability distribution for stock prices T = 3 years into the future:
Eigenmath
See also Maxima.