How it plugs in
—Public API
NoOpen source
YesFree tier
Signal on Calculators6.3#3 of 21

Pricing
- Calc Pro for MacFree 7-day trial; Pro Premium required afterward · Mac app · trial of every featureFree
- Calc Pro mobile appFree download; supported by ads · iPhone/iPad and Android · Pro Premium unlocks full versionFree
- Calc Pro web versionFree; supported by ads · Browser use · calculators and worksheets unlockedFree
- Pro PremiumOne-time purchase; price not stated on page · Unlocks full version and every feature · purchase amount not statedOn request
As calcpro.panoramicsoft.com lists them, checked 13 Nov 2026.
Near it
All alternatives →- GGeoGebra#2 on this board
- MMathPapa#4 on this board
- M
Mathway#1 on this board - NGNumWorks Graphing Calculator#5 on this board
- ACApple Calculator#6 on this board
- DFDesmos Four Function Calculator#7 on this board
- DSDesmos Scientific Calculator#8 on this board
- CCCASIO Calculator Software#9 on this board
- EEEngineering Equation Solver (EES)#10 on this board
- GGraphCalc#11 on this board