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About
A calculator where the input keys are displayed with letters of the alphabet.
1→A
2→B
3→C
4→D
5→E
6→F
7→G
8→H
9→I
What's New in Brain Training Calculator
1.0.3
July 21, 2026
・Fixes regarding advertisement display frequency, screen transitions etc. ・Bug fixes and performance improvements, Updates regarding internal processing
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