Short description of tApCalc Scientific tape calculator(Arm) 1.41: tApCalc SciFi is a handy Scientific calculator for Pocket PC. It provides a simulated paper tape that allows users to record calculations and save them for future reference. Paper tape simulation has many advantages. You can start a calculation and continue adding new calculations till you have entered all data, you can edit wrong data in the calculation without re-entering all data again, you can recalculate the calculations recorded and edited.