In addition, the R-squared calculation has been extended to better calculate the fit of some curves.Current customers using DeltaGraph 5.x for Mac can download the free update to version 5.7.4 from ...

HP has allowed their ROMs to be used for free, so grabbing an emulator and loading a ROM for an HP48SX or GX might be your best bet for that type of thing. those calculators r0xx0r. -- View image ...

How a former Apple engineer slipped his program onto the first PowerPCs Graphing Calculator 1.0 made its debut on the original PowerPC computers, but how it got there is a different story altogether.