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A calculator that can display calculation results with a delay to practice mental arithmetic.
>Mental arithmetic practice mode
Tap the timer key to turn on mental math practice mode.
Enter the formula as usual.
*Tap the timer key again to turn off the mental arithmetic practice mode.
Return to normal calculator mode.
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What's New in Time Delay calculator
1.1.71
July 28, 2026
・Fixes regarding advertisement display frequency, screen transitions etc. ・Bug fixes and performance improvements, Updates regarding internal processing
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