Schoettler Software
CalcTape
FreeAll-around calculator
WindowsCalcTape - Paper Tape Calculator with Notes
PaidCalculator thought from scratch.
iOSCalcTape
PaidCalculate and take notes easily while correcting typos on the fly.
MacCalcTape Pro
Trial versionPerform and save extensive calculations and arithmetic.
WindowsVisKeeper Professional
Trial versionManage your important data in an easy, secure, and clear way.
WindowsvisKey
Paidsecurity against unauthorized access
WindowsCalcTape Calculator with Tape
FreeCalculate, comment, and correct instantly, make entire process visible.
Android