Calculate, comment, correct - the desktop calculator for your Windows PC !

schoettler CalcTape is a revolutionary new kind of pocket calculator. With CalcTape, also extensive calculations remain clearly structured. CalcTape makes the arithmetic process visible - you can generate interim results and subsequently correct or change all numbers and operations.

CalcTape desktop calculator free download
  • Price: free / $5.95
  • Latest Version: 6.0.8
schoettler CalcTape for Windows - details:
  • Enter many calculation terms in one turn and still keep an overview - like on an adding machine / desktop calculator.
  • Change any term afterwards and CalcTape will refresh the whole calculation automatically.
  • Use interim results to check and structure your calculation.
  • Comment your calculation terms, to give sense and context to it.
  • Save your calculations into files. Open the files later and you can change the calculations. CalcTape will refresh the whole calculation automatically again and again.
  • Use your existing CalcTape files as templates. Do similar calculations and play different scenarios.
  • Use the programmable buttons, e.g. for fast TAX calculations.
  • CalcTape masters the four basic arithmetical operations, exponentials, and percentage calculations.
  • CalcTape for Windows requires Windows Vista, Windows 7, Windows 8, Windows 10 or Windows 11.


Extended functionality of the Pro and Enterprise version:

  • Scratchpad for every-day calculations is being saved automatically.
  • Put calculations side by side for comparison.
  • Work with variables and generate "speaking" calculations.
  • Define as many programmable keys as you like.
  • Use parentheses and trigonometry when defining variables.
  • And much more ...


Please compare the different versions:

Feature / Version
Freeware Version Pro Version Business Version
Scope / Use private private / commercial Business
Licenses - 1 - 25 25 up
Price free $5,95 - $3,95 This email address is being protected from spambots. You need JavaScript enabled to view it.
Basic operations, exponential and percentage calculations yes
Comments in calculations
Programmable Buttons 2
Multiple documents / columns
Variables / Memory
Fixed comma mode
Extended print settings
Skins 2
Changeable text colors
Changeable button colors
Commercial use
Your company logo
Your custom setup file (MSI)
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