Kalkulator
The Mother of All Calculators, period.
sparkcode ode
The Mother of All Calculators, period.
ConnectCode SparkCode Professional
Sparkline and Bullet Graphs Add-in for Excel
ODEcalc
ODEcalc (tm) ... an ODE Calculator!
Visual Calculus
Calculus grapher for calculus teaching.
NMath
.NET numerical library.
