Scientific Calculator: History
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| United Arab Emirates | <1%0 | — | AED 7.99 $2.18 | |
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| Antigua And Barbuda | <1%0 | — | $1.99 | |
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| Austria | <1%0 | — | €1.99 $2.30 | |
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Description
Ever mistype one digit and have to re-enter the whole calculation? FormulaCalc keeps the entire expression visible. Tap to place the cursor, fix just that one digit, and get the new result instantly.
Both the expression and the result are saved to history, so you can search past calculations and either reuse the full expression or insert just the result — no retyping.
SEE IT, FIX IT
The full expression stays visible while you type
Tap to move the cursor, select a range to replace it
Operator precedence, parentheses, and implicit multiplication (2π, 2(3+4))
Live result preview while typing, with clear error hints
Undo, redo, and external keyboard support
HISTORY YOU CAN ACTUALLY USE
Expressions and results saved together (up to 500 entries)
Search, favorites, individual delete, and text export
Reuse the whole expression, or insert only the result at the cursor
A COMPLETE SCIENTIFIC CALCULATOR
Trig, inverse trig, hyperbolic, logarithms, roots, powers, factorial, modulo, absolute value
DEG / RAD always visible, switched with one tap
Calculator-style percentages (200+10% = 220)
Ans and memory keys (MC / MR / M+ / M−)
Automatic, scientific, and engineering notation with 6–15 significant digits
A dedicated landscape layout with expression, history, and keys side by side
PAY ONCE, KEEP IT PRIVATE
No ads, no tracking, no account, no network access
Expressions, history, and settings never leave your device
One purchase unlocks everything — no subscription
Light and dark appearance, haptic feedback, and VoiceOver support. From homework to engineering estimates, FormulaCalc makes "fix it and reuse it" the normal way to calculate.