
TriTab Calc Flex: Calculator
Tax, Tip, Split Bill & Percent
0 ratings
$1.99
In-App PurchasesWith Ads
Rating summary
About
Three calculations, one clear screen.
TriTab Calc Flex gives you three independent calculator tabs—A, B, and C—so you can switch between figures without losing your results or history. It is useful for comparing prices, shopping, estimates, travel, and splitting a bill.
Key features
- Running total shown as you type, before you press "="
- Three independent calculator tabs
- Results and history retained for each tab
- Copy results from history
- +Tax for tax-inclusive prices
- -Tax for calculating the pre-tax amount
- 8%, 10%, or a custom tax rate
- Square root, square, and percentage
- Swipe to undo and redo
- Compare the total and difference across all three tabs
- Split bills with optional rounding
- English, Japanese, Simplified Chinese, and Traditional Chinese
Add only what you need
The one-time Ad-Free & Display Pack removes the banner ad and unlocks high-contrast and dark themes plus larger text.
The one-time Scientific Calculator Pack unlocks trigonometric and inverse trigonometric functions, log, ln, exponentials, square root, square, reciprocal, pi, e, DEG/RAD switching, and Night mode.
There is no monthly or annual subscription. Every purchase is one time only, and purchases can be restored in this app using the same Apple ID.
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What's New in TriTab Calc Flex
2.6
October 29, 2026
See your running total as you type. While you enter an expression, the answer so far now appears in small text below it, so you can check a running total without pressing "=". Open brackets are treated as closed.
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Subscriptions & In-App Purchases
$2.99
Display & Ad-Free Pack
Remove ads; unlock themes and larger text.




