RealCalc Scientific Calculator
realcalc.com · checked 4 Oct 2026
How it plugs in
—Public API
NoOpen source
YesFree tier
Signal on Calculators4.8#17 of 21
Pricing
- RealCalc Scientific CalculatorScientific functions · Result history · Unit conversions · Physical constants · Algebraic or RPN operationOn request
- RealCalc PlusFraction calculations · Customizable unit conversions and constants · Landscape mode · Home-screen widget · 12-digit displayOn request
As play.google.com lists them, checked 24 Sept 2026.
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