BallCal -Balloon Calculator-

A brain-friendly calculator, built by a developer with short-term memory challenges. Answers stay as balloons. Split, compare, undo — one step at a time.

Turn calculation results into "balloons" and line them up on screen like sticky notes on a whiteboard. Swipe a balloon to instantly pull its value back into your next calculation. BallCal is a "calculator × memo × whiteboard" app that simplifies everyday math.

Comparing prices to find the best deal. Splitting a complicated dinner bill. Converting currencies on the go while traveling. Balloons make your daily calculations easier.

Key Features:

• Calculation results become balloons you can arrange on screen
• Swipe a balloon down to reuse its value instantly
• Add notes to any balloon
• Lock frequently used numbers (tax rates, exchange rates, etc.)
• Undo mistakes with Rewind — even after tapping =
• Swipe number buttons to enter operators simultaneously
• Copy/paste formulas and results between apps (auto-converts full-width, "x" to ×, etc.)
• Fine-tune decimal display (digit count, rounding mode)
• Toggle features on/off to keep things simple

Great For:

• Price comparisons and bulk-b